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Fixed RSA PSS verificatiobn bug (when hash_len != salt_len).
[BearSSL]
/
src
/
rsa
/
rsa_pss_sig_unpad.c
diff --git
a/src/rsa/rsa_pss_sig_unpad.c
b/src/rsa/rsa_pss_sig_unpad.c
index
a9f8ca3
..
0c6ae99
100644
(file)
--- a/
src/rsa/rsa_pss_sig_unpad.c
+++ b/
src/rsa/rsa_pss_sig_unpad.c
@@
-114,7
+114,7
@@
br_rsa_pss_sig_unpad(const br_hash_class *hf_data,
* in the string.
*/
for (u = 0; u < hash_len; u ++) {
- r |= tmp[u] ^ x[(xlen -
salt
_len - 1) + u];
+ r |= tmp[u] ^ x[(xlen -
hash
_len - 1) + u];
}
return EQ0(r);