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path: root/crypto/asn1/d2i_pr.c
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Diffstat (limited to 'crypto/asn1/d2i_pr.c')
-rw-r--r--crypto/asn1/d2i_pr.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/crypto/asn1/d2i_pr.c b/crypto/asn1/d2i_pr.c
index c96da091d39c..d21829af192f 100644
--- a/crypto/asn1/d2i_pr.c
+++ b/crypto/asn1/d2i_pr.c
@@ -72,6 +72,7 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
long length)
{
EVP_PKEY *ret;
+ const unsigned char *p = *pp;
if ((a == NULL) || (*a == NULL)) {
if ((ret = EVP_PKEY_new()) == NULL) {
@@ -94,21 +95,23 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
}
if (!ret->ameth->old_priv_decode ||
- !ret->ameth->old_priv_decode(ret, pp, length)) {
+ !ret->ameth->old_priv_decode(ret, &p, length)) {
if (ret->ameth->priv_decode) {
PKCS8_PRIV_KEY_INFO *p8 = NULL;
- p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, pp, length);
+ p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, length);
if (!p8)
goto err;
EVP_PKEY_free(ret);
ret = EVP_PKCS82PKEY(p8);
PKCS8_PRIV_KEY_INFO_free(p8);
-
+ if (ret == NULL)
+ goto err;
} else {
ASN1err(ASN1_F_D2I_PRIVATEKEY, ERR_R_ASN1_LIB);
goto err;
}
}
+ *pp = p;
if (a != NULL)
(*a) = ret;
return (ret);
@@ -136,6 +139,7 @@ EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
* input is surrounded by an ASN1 SEQUENCE.
*/
inkey = d2i_ASN1_SEQUENCE_ANY(NULL, &p, length);
+ p = *pp;
/*
* Since we only need to discern "traditional format" RSA and DSA keys we
* can just count the elements.
@@ -146,7 +150,7 @@ EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
keytype = EVP_PKEY_EC;
else if (sk_ASN1_TYPE_num(inkey) == 3) { /* This seems to be PKCS8, not
* traditional format */
- PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, pp, length);
+ PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, length);
EVP_PKEY *ret;
sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
@@ -157,6 +161,9 @@ EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
}
ret = EVP_PKCS82PKEY(p8);
PKCS8_PRIV_KEY_INFO_free(p8);
+ if (ret == NULL)
+ return NULL;
+ *pp = p;
if (a) {
*a = ret;
}