diff options
Diffstat (limited to 'crypto/asn1/d2i_pr.c')
-rw-r--r-- | crypto/asn1/d2i_pr.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/crypto/asn1/d2i_pr.c b/crypto/asn1/d2i_pr.c index c96da09..d21829a 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; } |