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authorGary Ching-Pang Lin <glin@suse.com>2015-07-28 11:46:38 -0400
committerPeter Jones <pjones@redhat.com>2015-07-28 11:46:38 -0400
commit5ce38c90cf43ee79cd999716ea83a5a44eeb819e (patch)
tree2fb3d9dd667c772fae5f87fa61e1501cf12da0ce /Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c
parent69ba24ff72921ecabbb47178de40dc5a79350040 (diff)
downloadefi-boot-shim-5ce38c90cf43ee79cd999716ea83a5a44eeb819e.tar.gz
efi-boot-shim-5ce38c90cf43ee79cd999716ea83a5a44eeb819e.zip
Update openssl to 1.0.2d
Also update Cryptlib to edk2 r17731 Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c92
1 files changed, 63 insertions, 29 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c
index c405425d..41bc0844 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_pss.c
@@ -75,6 +75,13 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const unsigned char *EM,
int sLen)
{
+ return RSA_verify_PKCS1_PSS_mgf1(rsa, mHash, Hash, NULL, EM, sLen);
+}
+
+int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
+ const EVP_MD *Hash, const EVP_MD *mgf1Hash,
+ const unsigned char *EM, int sLen)
+{
int i;
int ret = 0;
int hLen, maskedDBLen, MSBits, emLen;
@@ -82,8 +89,14 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
unsigned char *DB = NULL;
EVP_MD_CTX ctx;
unsigned char H_[EVP_MAX_MD_SIZE];
+ EVP_MD_CTX_init(&ctx);
+
+ if (mgf1Hash == NULL)
+ mgf1Hash = Hash;
- hLen = M_EVP_MD_size(Hash);
+ hLen = EVP_MD_size(Hash);
+ if (hLen < 0)
+ goto err;
/*-
* Negative sLen has special meanings:
* -1 sLen == hLen
@@ -95,14 +108,14 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
else if (sLen == -2)
sLen = -2;
else if (sLen < -2) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_SLEN_CHECK_FAILED);
goto err;
}
MSBits = (BN_num_bits(rsa->n) - 1) & 0x7;
emLen = RSA_size(rsa);
if (EM[0] & (0xFF << MSBits)) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_FIRST_OCTET_INVALID);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_FIRST_OCTET_INVALID);
goto err;
}
if (MSBits == 0) {
@@ -110,44 +123,47 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
emLen--;
}
if (emLen < (hLen + sLen + 2)) { /* sLen can be small negative */
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_DATA_TOO_LARGE);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_DATA_TOO_LARGE);
goto err;
}
if (EM[emLen - 1] != 0xbc) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_LAST_OCTET_INVALID);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_LAST_OCTET_INVALID);
goto err;
}
maskedDBLen = emLen - hLen - 1;
H = EM + maskedDBLen;
DB = OPENSSL_malloc(maskedDBLen);
if (!DB) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, ERR_R_MALLOC_FAILURE);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, ERR_R_MALLOC_FAILURE);
goto err;
}
- PKCS1_MGF1(DB, maskedDBLen, H, hLen, Hash);
+ if (PKCS1_MGF1(DB, maskedDBLen, H, hLen, mgf1Hash) < 0)
+ goto err;
for (i = 0; i < maskedDBLen; i++)
DB[i] ^= EM[i];
if (MSBits)
DB[0] &= 0xFF >> (8 - MSBits);
for (i = 0; DB[i] == 0 && i < (maskedDBLen - 1); i++) ;
if (DB[i++] != 0x1) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_RECOVERY_FAILED);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_SLEN_RECOVERY_FAILED);
goto err;
}
if (sLen >= 0 && (maskedDBLen - i) != sLen) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_SLEN_CHECK_FAILED);
goto err;
}
- EVP_MD_CTX_init(&ctx);
- EVP_DigestInit_ex(&ctx, Hash, NULL);
- EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes);
- EVP_DigestUpdate(&ctx, mHash, hLen);
- if (maskedDBLen - i)
- EVP_DigestUpdate(&ctx, DB + i, maskedDBLen - i);
- EVP_DigestFinal(&ctx, H_, NULL);
- EVP_MD_CTX_cleanup(&ctx);
+ if (!EVP_DigestInit_ex(&ctx, Hash, NULL)
+ || !EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes)
+ || !EVP_DigestUpdate(&ctx, mHash, hLen))
+ goto err;
+ if (maskedDBLen - i) {
+ if (!EVP_DigestUpdate(&ctx, DB + i, maskedDBLen - i))
+ goto err;
+ }
+ if (!EVP_DigestFinal_ex(&ctx, H_, NULL))
+ goto err;
if (memcmp(H_, H, hLen)) {
- RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_BAD_SIGNATURE);
+ RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_BAD_SIGNATURE);
ret = 0;
} else
ret = 1;
@@ -155,6 +171,7 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
err:
if (DB)
OPENSSL_free(DB);
+ EVP_MD_CTX_cleanup(&ctx);
return ret;
@@ -164,13 +181,26 @@ int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
const unsigned char *mHash,
const EVP_MD *Hash, int sLen)
{
+ return RSA_padding_add_PKCS1_PSS_mgf1(rsa, EM, mHash, Hash, NULL, sLen);
+}
+
+int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
+ const unsigned char *mHash,
+ const EVP_MD *Hash, const EVP_MD *mgf1Hash,
+ int sLen)
+{
int i;
int ret = 0;
int hLen, maskedDBLen, MSBits, emLen;
unsigned char *H, *salt = NULL, *p;
EVP_MD_CTX ctx;
- hLen = M_EVP_MD_size(Hash);
+ if (mgf1Hash == NULL)
+ mgf1Hash = Hash;
+
+ hLen = EVP_MD_size(Hash);
+ if (hLen < 0)
+ goto err;
/*-
* Negative sLen has special meanings:
* -1 sLen == hLen
@@ -182,7 +212,7 @@ int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
else if (sLen == -2)
sLen = -2;
else if (sLen < -2) {
- RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
+ RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1, RSA_R_SLEN_CHECK_FAILED);
goto err;
}
@@ -195,14 +225,15 @@ int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
if (sLen == -2) {
sLen = emLen - hLen - 2;
} else if (emLen < (hLen + sLen + 2)) {
- RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS,
+ RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1,
RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
goto err;
}
if (sLen > 0) {
salt = OPENSSL_malloc(sLen);
if (!salt) {
- RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS, ERR_R_MALLOC_FAILURE);
+ RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1,
+ ERR_R_MALLOC_FAILURE);
goto err;
}
if (RAND_bytes(salt, sLen) <= 0)
@@ -211,16 +242,19 @@ int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
maskedDBLen = emLen - hLen - 1;
H = EM + maskedDBLen;
EVP_MD_CTX_init(&ctx);
- EVP_DigestInit_ex(&ctx, Hash, NULL);
- EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes);
- EVP_DigestUpdate(&ctx, mHash, hLen);
- if (sLen)
- EVP_DigestUpdate(&ctx, salt, sLen);
- EVP_DigestFinal(&ctx, H, NULL);
+ if (!EVP_DigestInit_ex(&ctx, Hash, NULL)
+ || !EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes)
+ || !EVP_DigestUpdate(&ctx, mHash, hLen))
+ goto err;
+ if (sLen && !EVP_DigestUpdate(&ctx, salt, sLen))
+ goto err;
+ if (!EVP_DigestFinal_ex(&ctx, H, NULL))
+ goto err;
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, mgf1Hash))
+ goto err;
p = EM;