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Fix bugs of evp/sm2

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This commit is contained in:
Zhi Guan
2018-03-13 12:41:46 +08:00
parent 4b825edf3c
commit e124d150fa
4 changed files with 44 additions and 25 deletions
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21
crypto/evp/p_dec.c
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@@ -86,10 +86,23 @@ int EVP_PKEY_decrypt_old(unsigned char *key, const unsigned char *ek, int ekl,
#ifndef OPENSSL_NO_SM2
siz = ekl;
if (!(ctx = EVP_PKEY_CTX_new(priv, NULL))
|| !EVP_PKEY_decrypt_init(ctx)
|| !EVP_PKEY_CTX_set_ec_scheme(ctx, NID_sm_scheme)
|| !EVP_PKEY_CTX_set_ec_encrypt_param(ctx, NID_sm3)
|| !EVP_PKEY_decrypt(ctx, key, &siz, ek, ekl)) {
|| !EVP_PKEY_decrypt_init(ctx)) {
EVPerr(EVP_F_EVP_PKEY_DECRYPT_OLD, ERR_R_EVP_LIB);
goto end;
}
if (EVP_PKEY_id(pkey) == EVP_PKEY_EC && EC_GROUP_get_curve_name(
EC_KEY_get0_group(EVP_PKEY_get0_EC_KEY(pkey))) == NID_sm2p256v1) {
# ifdef SM2_DEBUG
fprintf(stderr, "[SM2_DEBUG] %s->EVP_PKEY_CTX_set_ec_scheme\n", __FUNCTION__);
# endif
if (EVP_PKEY_CTX_set_ec_scheme(pkctx, NID_sm_scheme) <= 0
|| EVP_PKEY_CTX_set_ec_encrypt_param(pkctx, NID_sm3) <= 0) {
goto end;
}
}
if (!EVP_PKEY_decrypt(ctx, key, &siz, ek, ekl)) {
EVPerr(EVP_F_EVP_PKEY_DECRYPT_OLD, ERR_R_EVP_LIB);
goto end;
}