Edit report at https://bugs.php.net/bug.php?id=71177&edit=1
ID: 71177
Updated by: [email protected]
Reported by: zelnaga at gmail dot com
Summary: add sha512/224 and sha512/256
-Status: Not a bug
+Status: Re-Opened
Type: Feature/Change Request
Package: hash related
Operating System: Ubuntu
PHP Version: 7.0.1
Block user comment: N
Private report: N
New Comment:
@Pierre SHA-512/224 and SHA-512/256 are not the same as SHA-224 and SHA-256, so this is still a valid FR.
Previous Comments:
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[2015-12-21 04:52:56] [email protected]
They are, see
http://php.net/manual/en/function.hash-algos.php
[4] => sha224
[5] => sha256
[6] => sha384
[7] => sha512
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[2015-12-21 01:00:25] zelnaga at gmail dot com
Also, see http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf#page=35
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[2015-12-21 00:45:54] zelnaga at gmail dot com
Description:
------------
According to http://php.net/manual/en/function.hash-algos.php sha512/224 and sha512/256 are not supported algorithms. They were initially defined FIPS 180-4 in March 2012:
https://www.federalregister.gov/articles/2012/03/06/2012-5400/announcing-approval-of-federal-information-processing-standard-fips-publication-180-4-secure-hash
sha224 and sha256 utilize 32-bit integers and process messages in 512-bit chunks.
sha384, sha512, sha512/224 and sha512/256 utilize 64-bit integers and process messages in 1024-bit chunks. The only difference between these four algorithms is that they have different initial values for the hash.
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