[PATCH v2 1/2] crypto: fix mismatched hash algorithm name sm3-256 to sm3

Mimi Zohar zohar at linux.ibm.com
Tue Feb 18 01:33:18 UTC 2020


On Mon, 2020-02-17 at 17:36 +0800, Tianjia Zhang wrote:
> The name sm3-256 is defined in hash_algo_name in hash_info, but the
> algorithm name implemented in sm3_generic.c is sm3, which will cause
> the sm3-256 algorithm to be not found in some application scenarios of
> the hash algorithm, and an ENOENT error will occur. For example,
> IMA, keys, and other subsystems that reference hash_algo_name all use
> the hash algorithm of sm3.
> 
> According to https://tools.ietf.org/id/draft-oscca-cfrg-sm3-01.html,
> SM3 always produces a 256-bit hash value and there are no plans for
> other length development, so there is no ambiguity in the name of sm3.
> 
> Signed-off-by: Tianjia Zhang <tianjia.zhang at linux.alibaba.com>
> Cc: Jarkko Sakkinen <jarkko.sakkinen at linux.intel.com>

The previous version of this patch set is queued in the next-
integrity-testing branch.  That version of this patch didn't
change TPM_ALG_SM3_256.  Unless the TPM standard was modified, the TPM
spec refers to it as TPM_ALG_SM3_256.  Has that changed?

Mimi



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