diff options
Diffstat (limited to 'thirdparty/openssl/crypto/ec/ec_ameth.c')
-rw-r--r-- | thirdparty/openssl/crypto/ec/ec_ameth.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/thirdparty/openssl/crypto/ec/ec_ameth.c b/thirdparty/openssl/crypto/ec/ec_ameth.c index 83e208cfe4..2c41c6e7a9 100644 --- a/thirdparty/openssl/crypto/ec/ec_ameth.c +++ b/thirdparty/openssl/crypto/ec/ec_ameth.c @@ -66,9 +66,12 @@ #endif #include <openssl/asn1t.h> #include "asn1_locl.h" +#include "ec_lcl.h" +#ifndef OPENSSL_NO_CMS static int ecdh_cms_decrypt(CMS_RecipientInfo *ri); static int ecdh_cms_encrypt(CMS_RecipientInfo *ri); +#endif static int eckey_param2type(int *pptype, void **ppval, EC_KEY *ec_key) { @@ -221,6 +224,8 @@ static int eckey_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) const EC_GROUP *group = EC_KEY_get0_group(b->pkey.ec); const EC_POINT *pa = EC_KEY_get0_public_key(a->pkey.ec), *pb = EC_KEY_get0_public_key(b->pkey.ec); + if (group == NULL || pa == NULL || pb == NULL) + return -2; r = EC_POINT_cmp(group, pa, pb, NULL); if (r == 0) return 1; @@ -299,15 +304,13 @@ static int eckey_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) static int eckey_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) { - EC_KEY *ec_key; + EC_KEY ec_key = *(pkey->pkey.ec); unsigned char *ep, *p; int eplen, ptype; void *pval; - unsigned int tmp_flags, old_flags; + unsigned int old_flags; - ec_key = pkey->pkey.ec; - - if (!eckey_param2type(&ptype, &pval, ec_key)) { + if (!eckey_param2type(&ptype, &pval, &ec_key)) { ECerr(EC_F_ECKEY_PRIV_ENCODE, EC_R_DECODE_ERROR); return 0; } @@ -318,34 +321,31 @@ static int eckey_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) * do not include the parameters in the SEC1 private key see PKCS#11 * 12.11 */ - old_flags = EC_KEY_get_enc_flags(ec_key); - tmp_flags = old_flags | EC_PKEY_NO_PARAMETERS; - EC_KEY_set_enc_flags(ec_key, tmp_flags); - eplen = i2d_ECPrivateKey(ec_key, NULL); + old_flags = EC_KEY_get_enc_flags(&ec_key); + EC_KEY_set_enc_flags(&ec_key, old_flags | EC_PKEY_NO_PARAMETERS); + + eplen = i2d_ECPrivateKey(&ec_key, NULL); if (!eplen) { - EC_KEY_set_enc_flags(ec_key, old_flags); ECerr(EC_F_ECKEY_PRIV_ENCODE, ERR_R_EC_LIB); return 0; } ep = (unsigned char *)OPENSSL_malloc(eplen); if (!ep) { - EC_KEY_set_enc_flags(ec_key, old_flags); ECerr(EC_F_ECKEY_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); return 0; } p = ep; - if (!i2d_ECPrivateKey(ec_key, &p)) { - EC_KEY_set_enc_flags(ec_key, old_flags); + if (!i2d_ECPrivateKey(&ec_key, &p)) { OPENSSL_free(ep); ECerr(EC_F_ECKEY_PRIV_ENCODE, ERR_R_EC_LIB); return 0; } - /* restore old encoding flags */ - EC_KEY_set_enc_flags(ec_key, old_flags); if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_X9_62_id_ecPublicKey), 0, - ptype, pval, ep, eplen)) + ptype, pval, ep, eplen)) { + OPENSSL_free(ep); return 0; + } return 1; } @@ -378,7 +378,7 @@ static int ec_bits(const EVP_PKEY *pkey) static int ec_missing_parameters(const EVP_PKEY *pkey) { - if (EC_KEY_get0_group(pkey->pkey.ec) == NULL) + if (pkey->pkey.ec == NULL || EC_KEY_get0_group(pkey->pkey.ec) == NULL) return 1; return 0; } @@ -398,6 +398,8 @@ static int ec_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) { const EC_GROUP *group_a = EC_KEY_get0_group(a->pkey.ec), *group_b = EC_KEY_get0_group(b->pkey.ec); + if (group_a == NULL || group_b == NULL) + return -2; if (EC_GROUP_cmp(group_a, group_b, NULL)) return 0; else |