* [gentoo-portage-dev] [PATCH 3/3] checksum: Add blake2* and sha3 hashes from hashlib 3.6+
@ 2017-02-28 9:01 99% ` Michał Górny
0 siblings, 0 replies; 1+ results
From: Michał Górny @ 2017-02-28 9:01 UTC (permalink / raw
To: gentoo-portage-dev; +Cc: Michał Górny
Add initial support for using the new SHA3_256 and SHA3_512, as well
as competetive BLAKE2b and BLAKE2s hashes that are now provided
in hashlib module of Python 3.6.
---
pym/portage/checksum.py | 14 +++++++++++++-
pym/portage/const.py | 6 ++----
2 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/pym/portage/checksum.py b/pym/portage/checksum.py
index 8b4d96e30..a46b820af 100644
--- a/pym/portage/checksum.py
+++ b/pym/portage/checksum.py
@@ -24,6 +24,10 @@ import tempfile
# SHA512: hashlib, mhash
# RMD160: hashlib, pycrypto, mhash
# WHIRLPOOL: hashlib, mhash, bundled
+# BLAKE2B (512): hashlib (3.6+)
+# BLAKE2S (512): hashlib (3.6+)
+# SHA3_256: hashlib (3.6+)
+# SHA3_512: hashlib (3.6+)
#dict of all available hash functions
@@ -121,7 +125,15 @@ try:
sha1hash = _generate_hash_function("SHA1", hashlib.sha1, origin="hashlib")
sha256hash = _generate_hash_function("SHA256", hashlib.sha256, origin="hashlib")
sha512hash = _generate_hash_function("SHA512", hashlib.sha512, origin="hashlib")
- for local_name, hash_name in (("rmd160", "ripemd160"), ("whirlpool", "whirlpool")):
+ for local_name, hash_name in (
+ ("rmd160", "ripemd160"),
+ ("whirlpool", "whirlpool"),
+ # available since Python 3.6
+ ("BLAKE2B", "blake2b"),
+ ("BLAKE2S", "blake2s"),
+ ("SHA3_256", "sha3_256"),
+ ("SHA3_512", "sha3_512"),
+ ):
try:
hashlib.new(hash_name)
except ValueError:
diff --git a/pym/portage/const.py b/pym/portage/const.py
index 179efce98..0cef2e8ae 100644
--- a/pym/portage/const.py
+++ b/pym/portage/const.py
@@ -224,9 +224,6 @@ MANIFEST1_REQUIRED_HASH = "MD5"
# - Set manifest-hashes in gentoo-x86/metadata/layout.conf as follows:
# manifest-hashes = SHA512 WHIRLPOOL
#
-# After SHA-3 is approved:
-# - Add new hashes to MANIFEST2_HASH_*.
-#
# After SHA-3 is supported in stable portage:
# - Set manifest-hashes in gentoo-x86/metadata/layout.conf as follows:
# manifest-hashes = SHA3 SHA512 WHIRLPOOL
@@ -234,7 +231,8 @@ MANIFEST1_REQUIRED_HASH = "MD5"
# After layout.conf settings correspond to defaults in stable portage:
# - Remove redundant settings from gentoo-x86/metadata/layout.conf.
-MANIFEST2_HASH_FUNCTIONS = ("SHA256", "SHA512", "WHIRLPOOL")
+MANIFEST2_HASH_FUNCTIONS = ("SHA256", "SHA512", "WHIRLPOOL",
+ "BLAKE2B", "BLAKE2S", "SHA3_256", "SHA3_512")
MANIFEST2_HASH_DEFAULTS = frozenset(["SHA256", "SHA512", "WHIRLPOOL"])
MANIFEST2_REQUIRED_HASH = "SHA256"
--
2.12.0
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2017-02-28 9:01 [gentoo-portage-dev] [PATCHES] Little cleanup of checksum + BLAKE2*/SHA3 Michał Górny
2017-02-28 9:01 99% ` [gentoo-portage-dev] [PATCH 3/3] checksum: Add blake2* and sha3 hashes from hashlib 3.6+ Michał Górny
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