diff options
Diffstat (limited to 'crypto/sm2/sm2_sign.c')
| -rw-r--r-- | crypto/sm2/sm2_sign.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/sm2/sm2_sign.c b/crypto/sm2/sm2_sign.c index 28cf95cc48c9..7c49128b47db 100644 --- a/crypto/sm2/sm2_sign.c +++ b/crypto/sm2/sm2_sign.c @@ -1,5 +1,5 @@ /* - * Copyright 2017-2024 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2017-2025 The OpenSSL Project Authors. All Rights Reserved. * Copyright 2017 Ribose Inc. All Rights Reserved. * Ported from Ribose contributions from Botan. * @@ -220,6 +220,10 @@ static ECDSA_SIG *sm2_sig_gen(const EC_KEY *key, const BIGNUM *e) BIGNUM *tmp = NULL; OSSL_LIB_CTX *libctx = ossl_ec_key_get_libctx(key); + if (dA == NULL) { + ERR_raise(ERR_LIB_SM2, SM2_R_INVALID_PRIVATE_KEY); + goto done; + } kG = EC_POINT_new(group); if (kG == NULL) { ERR_raise(ERR_LIB_SM2, ERR_R_EC_LIB); |