[New-bugs-announce] [issue26834] Add truncated SHA512/224 and SHA512/256

Christian Heimes report at bugs.python.org
Sat Apr 23 15:27:41 EDT 2016


New submission from Christian Heimes:

SHA512/224 and SHA512/256 are truncated versions of SHA512. Just like SHA384 they use the same algorithm but different initial values and a smaller digest. I took the start vectors and test values from libtomcrypt.

Like in my blake2 branch I have add tp_new to the types and removed the old factory methods. Now it is possible to instantiate the types.

The code is also in my github fork https://github.com/tiran/cpython/tree/feature/sha512truncated

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components: Extension Modules
files: cpython-cheimes-0001-Add-truncate-SHA512-224-and-SHA512-256-hash-algorith.patch
keywords: patch
messages: 264068
nosy: christian.heimes, gregory.p.smith
priority: normal
severity: normal
stage: patch review
status: open
title: Add truncated SHA512/224 and SHA512/256
type: enhancement
versions: Python 3.6
Added file: http://bugs.python.org/file42578/cpython-cheimes-0001-Add-truncate-SHA512-224-and-SHA512-256-hash-algorith.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26834>
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