/* rsa_pss.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2005.
*/
/* ====================================================================
#include <openssl/rand.h>
#include <openssl/sha.h>
-const static unsigned char zeroes[] = {0,0,0,0,0,0,0,0};
+static const unsigned char zeroes[] = {0,0,0,0,0,0,0,0};
#if defined(_MSC_VER) && defined(_ARM_)
#pragma optimize("g", off)
unsigned char H_[EVP_MAX_MD_SIZE];
hLen = EVP_MD_size(Hash);
+ if (hLen < 0)
+ goto err;
/*
* Negative sLen has special meanings:
* -1 sLen == hLen
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, ERR_R_MALLOC_FAILURE);
goto err;
}
- PKCS1_MGF1(DB, maskedDBLen, H, hLen, Hash);
+ if (PKCS1_MGF1(DB, maskedDBLen, H, hLen, Hash) < 0)
+ goto err;
for (i = 0; i < maskedDBLen; i++)
DB[i] ^= EM[i];
if (MSBits)
EVP_MD_CTX ctx;
hLen = EVP_MD_size(Hash);
+ if (hLen < 0)
+ goto err;
/*
* Negative sLen has special meanings:
* -1 sLen == hLen
ERR_R_MALLOC_FAILURE);
goto err;
}
- if (!RAND_bytes(salt, sLen))
+ if (RAND_bytes(salt, sLen) <= 0)
goto err;
}
maskedDBLen = emLen - hLen - 1;
EVP_MD_CTX_cleanup(&ctx);
/* Generate dbMask in place then perform XOR on it */
- PKCS1_MGF1(EM, maskedDBLen, H, hLen, Hash);
+ if (PKCS1_MGF1(EM, maskedDBLen, H, hLen, Hash))
+ goto err;
p = EM;