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author | Agrawal, Sachin <sachin.agrawal@intel.com> | 2021-06-14 23:30:43 +0800 |
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committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-06-23 15:19:44 +0000 |
commit | 20ca52882877ba9025da2ee58c8dab7808eca457 (patch) | |
tree | 126be7fc8eacb8dfb04d2dee2ef6d485291fc9fc /CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c | |
parent | 7471751a4d813a64501a9d7819b1eb405911b310 (diff) | |
download | edk2-20ca52882877ba9025da2ee58c8dab7808eca457.tar.gz edk2-20ca52882877ba9025da2ee58c8dab7808eca457.tar.bz2 edk2-20ca52882877ba9025da2ee58c8dab7808eca457.zip |
CryptoPkg: BaseCryptLib: Update Salt length requirement for RSA-PSS scheme.
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>
Diffstat (limited to 'CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c')
-rw-r--r-- | CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c index af99ed7f5b..fcb5913780 100644 --- a/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c +++ b/CryptoPkg/Library/BaseCryptLibOnProtocolPpi/CryptLib.c @@ -1556,7 +1556,7 @@ RsaPkcs1Verify ( 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.
@@ -1592,6 +1592,14 @@ RsaPssVerify ( If the Signature buffer is too small to hold the contents of signature, FALSE
is returned and SigSize is set to the required buffer size to obtain the signature.
+ If RsaContext is NULL, then return FALSE.
+ If Message is NULL, then return FALSE.
+ If MsgSize is zero or > INT_MAX, then return FALSE.
+ If DigestLen is NOT 32, 48 or 64, return FALSE.
+ If SaltLen is not equal to DigestLen, then return FALSE.
+ If SigSize is large enough but Signature is NULL, then return FALSE.
+ If this interface is not supported, then return FALSE.
+
@param[in] RsaContext Pointer to RSA context for signature generation.
@param[in] Message Pointer to octet message to be signed.
@param[in] MsgSize Size of the message in bytes.
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