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CryptoPkg: BaseCryptLib: Update Salt length requirement for RSA-PSS scheme.

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3455

Enforce salt length to be equal to digest length for RSA-PSS
encoding scheme.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Cc: Guomin Jiang <guomin.jiang@intel.com>

Signed-off-by: Sachin Agrawal <sachin.agrawal@intel.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
This commit is contained in:
Agrawal, Sachin
2021-06-14 23:30:43 +08:00
committed by mergify[bot]
parent 7471751a4d
commit 20ca528828
9 changed files with 21 additions and 13 deletions
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2
CryptoPkg/Library/BaseCryptLibNull/Pk/CryptRsaPssNull.c
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@@ -15,7 +15,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
Verifies the RSA signature with RSASSA-PSS signature scheme defined in RFC 8017.
Implementation determines salt length automatically from the signature encoding.
Mask generation function is the same as the message digest algorithm.
Salt length should atleast be equal to digest length.
Salt length should be equal to digest length.
@param[in] RsaContext Pointer to RSA context for signature verification.
@param[in] Message Pointer to octet message to be verified.