0; } //私钥签名 int my_sign(const char *input, int input_len, const char *pri_key_fn) { EC_KEY *p_dsa = NULL; ECDSA_SIG *s; FILE *file = NULL; unsigned char *data[2]; int nid; int signlen = 0; int i = 0; int
openssl版本为1.0.2g,openssl version查看openssl的版本,其他版本自行验证base的编解码代码也有,这里demo暂不使用
问由其他ECDSA证书签署的ECDSA证书的创建EN如果您可以使用.NET Framework4.7.2(或.NET Core2.0)的依...
据 Anyswap 官方透露（https://anyswap.medium.com/anyswap-multichain-router-v3-exploit-statement-6833...
pub = ECPublicKey_set_octet_string(&pub,(const byte**)&pp,sizeof(pubkey));if (pub == NULL){EC_KEY_free(pub);return 0;}ret = ECDSA_verify(0,(const byte*)buf, buflen, sig, siglen,pub); EC_KEY_free(pub);return ret == 1 ? 1 : 0;}static BOOL GetFileName(char *sFile){...
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); bmem = BIO_new_mem_buf(input, length); bmem = BIO_push(b64, bmem); BIO_read(bmem, buffer, length); BIO_free_all(bmem); return buffer; } //公钥验证签名 int my_verify(const char *input, int input_len, ECDSA_SIG *signret, cons...
());BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);bmem = BIO_new_mem_buf(input, length);bmem = BIO_push(b64, bmem);BIO_read(bmem, buffer, length);BIO_free_all(bmem);return buffer;}//公钥验证签名int my_verify(const char *input, int input_len, ECDSA_SIG *signret, const ...
* * \note The \p sig buffer must be as large as the size * of \p ctx->N. For example, 128 Bytes if RSA-1024 is used. * * \note For PKCS#1 v2.1 encoding, see comments on * mbedtls_rsa_rsassa_pss_sign() for details on * \p md_alg and \p hash_id. * * \deprecated ...
We can summarize the last two section in a few words. If we take some signaturesigfor a given messagee(under a public keyQ), it is always possible (except for eventual edge cases) to find a new public keyQ'under which: this signature remains valid for a different message, or ...
typedef int EC_set_public_key_t(EC_KEY *, BIGNUM *, BIGNUM *, int); typedef const BIGNUM *OSSL_EC_KEY_get0_private_key_t(const EC_KEY *); typedef ECDSA_SIG *OSSL_ECDSA_do_sign_t(const unsigned char *, int, EC_KEY *); typedef int OSSL_ECDSA_do_verify_t(const unsigned char...