crypto_sha256_final(&ctx, digest_calc); utils_hex_string_2_bytes(digest_exp_str, digest_exp_hex, &len_bytes); if (len_bytes == sizeof(digest_calc) && !memcmp(digest_calc, digest_exp_hex, sizeof(digest_calc))) { printf("SHA256 digest test OK\n"); log_hexdump("digest_calc", ...
2、实现方法 // HmacSHA256-(NSString*)HmacSHA256:(NSString*)plaintext withKey:(NSString*)key{constchar*cKey=[key cStringUsingEncoding:NSASCIIStringEncoding];constchar*cData=[plaintext cStringUsingEncoding:NSASCIIStringEncoding];unsignedcharcHMAC[CC_SHA256_DIGEST_LENGTH];CCHmac(kCCHmacAlgSHA256,cKey...
6、创建一个工具类CryptUtil类,头文件如下: #ifndef CRYPTUTIL_H#define CRYPTUTIL_H#include<QObject>classCryptUtil{public:staticQStringmd5Text(constQString&plaintext);staticQByteArraymd5Bytes(constQByteArray&plainBytes);staticQStringsha256Text(constQString&plaintext);staticQByteArraysha256Bytes(constQByte...
CC_MD5_Update(&ctxt, md5, CC_MD5_DIGEST_LENGTH); CC_MD5_Final(md5, &ctxt); const unsigned int hex_len = CC_MD5_DIGEST_LENGTH*2+2; char hex[hex_len]; for(i = 0; i < CC_MD5_DIGEST_LENGTH; i++) { snprintf(&hex[i*2], hex_len-i*2, "%02x", md5[i]); } NSData *H...
public_key[bio_public_length] ='\0'; strKey[0] = public_key; strKey[1] = private_key;// 把公钥和私钥存储到磁盘文件当中(这种方式存储的是begin rsa public key/ begin rsa private key开头的)FILE *private_file = fopen(private_key_path_and_file_name,"w");if(NULL== private_file) {pr...
public_key[bio_public_length] ='\0'; strKey[0] = public_key; strKey[1] = private_key;// 把公钥和私钥存储到磁盘文件当中(这种方式存储的是begin rsa public key/ begin rsa private key开头的)FILE *private_file = fopen(private_key_path_and_file_name,"w");if(NULL== private_file) {pr...
unsigned char digest[CC_SHA256_DIGEST_LENGTH]; CCHmac(kCCHmacAlgSHA256, keyBytes.bytes, keyBytes.length, dataBytes.bytes, dataBytes.length, digest); NSMutableString *hexString = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2]; ...
hmac_sha256((unsigned char *)key.data(, key.length(, (unsigned char *)message.data(, message.length(, (unsigned char *)digest.data(, &digestLength); return digest; } ``` 现在,可以在Qt项目中的任何地方使用上述函数来进行HmacSHA256算法的计算。示例代码如下: ```cpp QByteArray key = "secr...
* SHA-256 final digest */ int mbedtls_sha256_finish( mbedtls_sha256_context *ctx, unsigned char *output ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; uint32_t used; uint32_t high, low; /* * Add padding: 0x80 then 0x00 until 8 bytes remain for the length ...
引入头文件 #import<CommonCrypto/CommonDigest.h> 实现方法 -(NSString*)sha256:(NSData*)certData{unsignedcharsha256Buffer[CC_SHA256_DIGEST_LENGTH];CC_SHA256(certData.bytes,certData.length,sha256Buffer);NSMutableString*fingerprint=[NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH*3];for(inti...