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Code Issues Releases Wiki Activity

fix docs about blake2 requirements / origin

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Thomas Waldmann 2021-01-24 22:42:15 +01:00
parent c8e9131158
commit c3df6fcca4
2 changed files with 3 additions and 6 deletions
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5
docs/installation.rst
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@ -164,7 +164,6 @@ following dependencies first:
- liblz4_ >= 1.7.0 (r129) - liblz4_ >= 1.7.0 (r129)
- libzstd_ >= 1.3.0 - libzstd_ >= 1.3.0
- libb2_ >= 0.98.1 (older do not have pkg-config support)
* pkg-config (cli tool) and pkgconfig python package (borg uses these to * pkg-config (cli tool) and pkgconfig python package (borg uses these to
discover header and library location - if it can't import pkgconfig and discover header and library location - if it can't import pkgconfig and
is not pointed to header/library locations via env vars [see setup.py], is not pointed to header/library locations via env vars [see setup.py],
@ -198,7 +197,7 @@ Install the dependencies with development headers::
sudo apt-get install python3 python3-dev python3-pip python3-virtualenv \ sudo apt-get install python3 python3-dev python3-pip python3-virtualenv \
libacl1-dev libacl1 \ libacl1-dev libacl1 \
libssl-dev libb2-dev \ libssl-dev \
liblz4-dev libzstd-dev \ liblz4-dev libzstd-dev \
build-essential \ build-essential \
pkg-config python3-pkgconfig pkg-config python3-pkgconfig
@ -216,7 +215,7 @@ Install the dependencies with development headers::
sudo dnf install python3 python3-devel python3-pip python3-virtualenv \ sudo dnf install python3 python3-devel python3-pip python3-virtualenv \
libacl-devel libacl \ libacl-devel libacl \
openssl-devel libb2-devel \ openssl-devel \
lz4-devel libzstd-devel \ lz4-devel libzstd-devel \
pkgconf python3-pkgconfig pkgconf python3-pkgconfig
sudo dnf install gcc gcc-c++ redhat-rpm-config sudo dnf install gcc gcc-c++ redhat-rpm-config

4
docs/internals/security.rst
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@ -265,15 +265,13 @@ on widely used libraries providing them:
We think this is not an additional risk, since we don't ever We think this is not an additional risk, since we don't ever
use OpenSSL's networking, TLS or X.509 code, but only their use OpenSSL's networking, TLS or X.509 code, but only their
primitives implemented in libcrypto. primitives implemented in libcrypto.
- SHA-256 and SHA-512 from Python's hashlib_ standard library module are used. - SHA-256, SHA-512 and BLAKE2b from Python's hashlib_ standard library module are used.
Borg requires a Python built with OpenSSL support (due to PBKDF2), therefore Borg requires a Python built with OpenSSL support (due to PBKDF2), therefore
these functions are delegated to OpenSSL by Python. these functions are delegated to OpenSSL by Python.
- HMAC, PBKDF2 and a constant-time comparison from Python's hmac_ standard - HMAC, PBKDF2 and a constant-time comparison from Python's hmac_ standard
library module is used. While the HMAC implementation is written in Python, library module is used. While the HMAC implementation is written in Python,
the PBKDF2 implementation is provided by OpenSSL. The constant-time comparison the PBKDF2 implementation is provided by OpenSSL. The constant-time comparison
(``compare_digest``) is written in C and part of Python. (``compare_digest``) is written in C and part of Python.
- BLAKE2b is either provided by the system's libb2, an official implementation,
or a bundled copy of the BLAKE2 reference implementation (written in C).
Implemented cryptographic constructions are: Implemented cryptographic constructions are: