三、openssl sha256实现 #include#include#includestd::stringsha256(conststd::string&input){unsignedcharhash[SHA256_DIGEST_LENGTH];SHA256_CTX sha256;SHA256_Init(&sha256);SHA256_Update(&sha256,input.c_str(),input.length());SHA256_Final(hash,&sha256);std::stringstream ss;for(inti=0;i<SHA...
void sha256(const std::string &srcStr, std::string &encodedStr, std::string &encodedHexStr) { // 调用sha256哈希 unsigned char mdStr[33] = {0}; SHA256((const unsigned char *)srcStr.c_str(), srcStr.length(), mdStr); // 哈希后的字符串 encodedStr = std::string((const...
void sha256(const std::string &srcStr, std::string &encodedStr, std::string &encodedHexStr) { // 调用sha256哈希 unsigned char mdStr[33] = {0}; SHA256((const unsigned char *)srcStr.c_str(), srcStr.length(), mdStr); // 哈希后的字符串 encodedStr = std::string((const char *...
1.直接上源码: #include<stdio.h>#include<string.h>#include<openssl/ecdsa.h>#include<openssl/pem.h>#include<openssl/err.h>// base64 编码char*base64_encode(constchar*buffer,intlength){BIO*bmem=NULL;BIO*b64=NULL;BUF_MEM*bptr;char*buff=NULL;b64=BIO_new(BIO_f_base64());BIO_set_flags...
$ gcc -I$HOME/local/include -o example example.c -L$HOME/local/lib -lssl 3.运行结果 $./example file file SHA256:405b07ec8bf38e524c1dea2bf097143580e4df141d8a76fc784b299ca00f9d63 string SHA256:4b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a ...
C语言openssl库的ECDSA-with-sha256签名和验签 1.直接上源码: #include <stdio.h> #include <string.h> #include <openssl/ecdsa.h> #include <openssl/pem.h> #include <openssl/err.h> // base64 编码 char *base64_encode(const char *buffer, int length) {...
SHA256((unsignedchar*)data, strlen(data), md); printHex(md, WHICH_DIGEST_LENGTH); pubKey=ReadPublicKey(PUBLIC_KEY_PATH);if(!pubKey) { printf("Error: can't load public key");return-1; }/*验签*/nRet=RSA_verify(SHA_WHICH, md, WHICH_DIGEST_LENGTH, buf, nOutLen, pubKey); ...
fips_md_init_ctx(SHA224,SHA256) fips_md_init(SHA256) unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md) unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md) intSHA224_Update(SHA256_CTX*c, constvoid*data, size_tlen) ...
C语言openssl库的ECDSA-with-sha256签名和验签2022-05-02 799 版权 简介: C语言openssl库的ECDSA-with-sha256签名和验签,直接上源码。1.直接上源码:#include <stdio.h> #include <string.h> #include <openssl/ecdsa.h> #include <openssl/pem.h> ...
Certificate Request: Data: Version: 0 (0x0) Subject: C=CN, ST=Beijing, L=Beijing, O=Exemple Org, OU=Dev Dept, CN=example.org/emailAddress=dev@example.org Subject Public Key Info: Public Key Algorithm: rsaEncryption Public-Key: (512 bit) Modulus: 00:d7:2b:f8:b5:ab:8a:a0:38:f8:...