restic/crypto/crypto.go

299 lines
7.1 KiB
Go
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package crypto
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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import (
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"encoding/json"
"errors"
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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"fmt"
"github.com/restic/restic/chunker"
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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"golang.org/x/crypto/poly1305"
"golang.org/x/crypto/scrypt"
)
const (
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aesKeySize = 32 // for AES256
macKeySizeK = 16 // for AES-128
macKeySizeR = 16 // for Poly1305
macKeySize = macKeySizeK + macKeySizeR // for Poly1305-AES128
ivSize = aes.BlockSize
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macSize = poly1305.TagSize // Poly1305 size is 16 byte
Extension = ivSize + macSize
)
var (
// ErrUnauthenticated is returned when ciphertext verification has failed.
ErrUnauthenticated = errors.New("ciphertext verification failed")
// ErrBufferTooSmall is returned when the destination slice is too small
// for the ciphertext.
ErrBufferTooSmall = errors.New("destination buffer too small")
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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)
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// Key holds signing and encryption keys for a repository. It is stored
// encrypted and signed as a JSON data structure in the Data field of the Key
// structure. For the master key, the secret random polynomial used for content
// defined chunking is included.
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type Key struct {
Sign SigningKey `json:"sign"`
Encrypt EncryptionKey `json:"encrypt"`
ChunkerPolynomial chunker.Pol `json:"chunker_polynomial,omitempty"`
}
type EncryptionKey [32]byte
type SigningKey struct {
K [16]byte `json:"k"` // for AES128
R [16]byte `json:"r"` // for Poly1305
}
type iv [ivSize]byte
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// mask for key, (cf. http://cr.yp.to/mac/poly1305-20050329.pdf)
var poly1305KeyMask = [16]byte{
0xff,
0xff,
0xff,
0x0f, // 3: top four bits zero
0xfc, // 4: bottom two bits zero
0xff,
0xff,
0x0f, // 7: top four bits zero
0xfc, // 8: bottom two bits zero
0xff,
0xff,
0x0f, // 11: top four bits zero
0xfc, // 12: bottom two bits zero
0xff,
0xff,
0x0f, // 15: top four bits zero
}
// key is a [32]byte, in the form k||r
func poly1305_sign(msg []byte, nonce []byte, key *SigningKey) []byte {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// prepare key for low-level poly1305.Sum(): r||n
var k [32]byte
// make sure key is masked
maskKey(key)
// fill in nonce, encrypted with AES and key[:16]
cipher, err := aes.NewCipher(key.K[:])
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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if err != nil {
panic(err)
}
cipher.Encrypt(k[16:], nonce[:])
// copy r
copy(k[:16], key.R[:])
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// save mac in out
var out [16]byte
poly1305.Sum(&out, msg, &k)
return out[:]
}
// mask poly1305 key
func maskKey(k *SigningKey) {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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if k == nil {
return
}
for i := 0; i < poly1305.TagSize; i++ {
k.R[i] = k.R[i] & poly1305KeyMask[i]
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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}
}
// construct mac key from slice (k||r), with masking
func macKeyFromSlice(mk *SigningKey, data []byte) {
copy(mk.K[:], data[:16])
copy(mk.R[:], data[16:32])
maskKey(mk)
}
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// key: k||r
func poly1305_verify(msg []byte, nonce []byte, key *SigningKey, mac []byte) bool {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// prepare key for low-level poly1305.Sum(): r||n
var k [32]byte
// make sure key is masked
maskKey(key)
// fill in nonce, encrypted with AES and key[:16]
cipher, err := aes.NewCipher(key.K[:])
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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if err != nil {
panic(err)
}
cipher.Encrypt(k[16:], nonce[:])
// copy r
copy(k[:16], key.R[:])
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// copy mac to array
var m [16]byte
copy(m[:], mac)
return poly1305.Verify(&m, msg, &k)
}
// NewKey returns new encryption and signing keys.
func NewKey() (k *Key) {
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k = &Key{}
n, err := rand.Read(k.Encrypt[:])
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if n != aesKeySize || err != nil {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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panic("unable to read enough random bytes for encryption key")
}
n, err = rand.Read(k.Sign.K[:])
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if n != macKeySizeK || err != nil {
panic("unable to read enough random bytes for mac encryption key")
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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}
n, err = rand.Read(k.Sign.R[:])
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if n != macKeySizeR || err != nil {
panic("unable to read enough random bytes for mac signing key")
}
// mask r
maskKey(&k.Sign)
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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return k
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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}
func newIV() (iv iv) {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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n, err := rand.Read(iv[:])
if n != ivSize || err != nil {
panic("unable to read enough random bytes for iv")
}
return
}
type jsonMACKey struct {
K []byte `json:"k"`
R []byte `json:"r"`
}
func (m *SigningKey) MarshalJSON() ([]byte, error) {
return json.Marshal(jsonMACKey{K: m.K[:], R: m.R[:]})
}
func (m *SigningKey) UnmarshalJSON(data []byte) error {
j := jsonMACKey{}
err := json.Unmarshal(data, &j)
if err != nil {
return err
}
copy(m.K[:], j.K)
copy(m.R[:], j.R)
return nil
}
func (k *EncryptionKey) MarshalJSON() ([]byte, error) {
return json.Marshal(k[:])
}
func (k *EncryptionKey) UnmarshalJSON(data []byte) error {
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d := make([]byte, aesKeySize)
err := json.Unmarshal(data, &d)
if err != nil {
return err
}
copy(k[:], d)
return nil
}
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// Encrypt encrypts and signs data. Stored in ciphertext is IV || Ciphertext ||
// MAC. Encrypt returns the ciphertext's length.
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func Encrypt(ks *Key, ciphertext, plaintext []byte) (int, error) {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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if cap(ciphertext) < len(plaintext)+ivSize+macSize {
return 0, ErrBufferTooSmall
}
iv := newIV()
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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copy(ciphertext, iv[:])
c, err := aes.NewCipher(ks.Encrypt[:])
if err != nil {
panic(fmt.Sprintf("unable to create cipher: %v", err))
}
e := cipher.NewCTR(c, ciphertext[:ivSize])
e.XORKeyStream(ciphertext[ivSize:cap(ciphertext)], plaintext)
ciphertext = ciphertext[:ivSize+len(plaintext)]
mac := poly1305_sign(ciphertext[ivSize:], ciphertext[:ivSize], &ks.Sign)
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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ciphertext = append(ciphertext, mac...)
return len(ciphertext), nil
}
// Decrypt verifies and decrypts the ciphertext. Ciphertext must be in the form
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// IV || Ciphertext || MAC.
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func Decrypt(ks *Key, plaintext, ciphertext []byte) ([]byte, error) {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// check for plausible length
if len(ciphertext) < ivSize+macSize {
panic("trying to decrypt invalid data: ciphertext too small")
}
if cap(plaintext) < len(ciphertext) {
// extend plaintext
plaintext = append(plaintext, make([]byte, len(ciphertext)-cap(plaintext))...)
}
// extract mac
l := len(ciphertext) - macSize
ciphertext, mac := ciphertext[:l], ciphertext[l:]
// verify mac
if !poly1305_verify(ciphertext[ivSize:], ciphertext[:ivSize], &ks.Sign, mac) {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
2015-03-14 18:53:51 +00:00
return nil, ErrUnauthenticated
}
// extract iv
iv, ciphertext := ciphertext[:ivSize], ciphertext[ivSize:]
// decrypt data
c, err := aes.NewCipher(ks.Encrypt[:])
if err != nil {
panic(fmt.Sprintf("unable to create cipher: %v", err))
}
// decrypt
e := cipher.NewCTR(c, iv)
plaintext = plaintext[:len(ciphertext)]
e.XORKeyStream(plaintext, ciphertext)
return plaintext, nil
}
// KDF derives encryption and signing keys from the password using the supplied
// parameters N, R and P and the Salt.
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func KDF(N, R, P int, salt []byte, password string) (*Key, error) {
if len(salt) == 0 {
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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return nil, fmt.Errorf("scrypt() called with empty salt")
}
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derKeys := &Key{}
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keybytes := macKeySize + aesKeySize
scryptKeys, err := scrypt.Key([]byte(password), salt, N, R, P, keybytes)
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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if err != nil {
return nil, fmt.Errorf("error deriving keys from password: %v", err)
}
if len(scryptKeys) != keybytes {
return nil, fmt.Errorf("invalid numbers of bytes expanded from scrypt(): %d", len(scryptKeys))
}
// first 32 byte of scrypt output is the encryption key
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copy(derKeys.Encrypt[:], scryptKeys[:aesKeySize])
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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// next 32 byte of scrypt output is the mac key, in the form k||r
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macKeyFromSlice(&derKeys.Sign, scryptKeys[aesKeySize:])
return derKeys, nil
Refactor crypto layer, switch HMAC for Poyl1305-AES HMAC-SHA256 calls SHA256() twice which is very expensive. Therefore, this commit uses Poly1305-AES instead of HMAC-SHA256. benchcmp: benchmark old ns/op new ns/op delta BenchmarkChunkEncrypt 261033772 195114818 -25.25% BenchmarkChunkEncryptParallel 260973195 195787368 -24.98% BenchmarkArchiveDirectory 1050500651 1002615884 -4.56% BenchmarkPreload 23544286 24994508 +6.16% BenchmarkLoadTree 350065 427665 +22.17% BenchmarkEncryptWriter 87789753 31069126 -64.61% BenchmarkEncrypt 88283197 38259043 -56.66% BenchmarkDecryptReader 90478843 40714818 -55.00% BenchmarkEncryptDecryptReader 179917626 81231730 -54.85% BenchmarkDecrypt 87871591 37784207 -57.00% BenchmarkSaveJSON 52481 56861 +8.35% BenchmarkSaveFrom 75404085 51108596 -32.22% BenchmarkLoadJSONID 90545437 82696805 -8.67% benchmark old MB/s new MB/s speedup BenchmarkChunkEncrypt 40.17 53.74 1.34x BenchmarkChunkEncryptParallel 40.18 53.56 1.33x BenchmarkEncryptWriter 95.55 270.00 2.83x BenchmarkEncrypt 95.02 219.26 2.31x BenchmarkDecryptReader 92.71 206.03 2.22x BenchmarkEncryptDecryptReader 46.62 103.27 2.22x BenchmarkDecrypt 95.46 222.01 2.33x BenchmarkSaveFrom 55.62 82.07 1.48x benchmark old allocs new allocs delta BenchmarkChunkEncrypt 112 110 -1.79% BenchmarkChunkEncryptParallel 103 100 -2.91% BenchmarkArchiveDirectory 383704 392083 +2.18% BenchmarkPreload 21765 21874 +0.50% BenchmarkLoadTree 341 436 +27.86% BenchmarkEncryptWriter 20 17 -15.00% BenchmarkEncrypt 14 13 -7.14% BenchmarkDecryptReader 18 15 -16.67% BenchmarkEncryptDecryptReader 46 39 -15.22% BenchmarkDecrypt 16 12 -25.00% BenchmarkSaveJSON 81 86 +6.17% BenchmarkSaveFrom 117 121 +3.42% BenchmarkLoadJSONID 80525 80264 -0.32% benchmark old bytes new bytes delta BenchmarkChunkEncrypt 118956 64697 -45.61% BenchmarkChunkEncryptParallel 118972 64681 -45.63% BenchmarkArchiveDirectory 160236600 177498232 +10.77% BenchmarkPreload 2772488 3302992 +19.13% BenchmarkLoadTree 49102 46484 -5.33% BenchmarkEncryptWriter 28927 8388146 +28897.64% BenchmarkEncrypt 2473 1950 -21.15% BenchmarkDecryptReader 527827 2774 -99.47% BenchmarkEncryptDecryptReader 4100875 1528036 -62.74% BenchmarkDecrypt 2509 2154 -14.15% BenchmarkSaveJSON 4971 5892 +18.53% BenchmarkSaveFrom 40117 31742 -20.88% BenchmarkLoadJSONID 9444217 9442106 -0.02% This closes #102.
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}