1. 初始化md结构体 void mbedtls_md_init( mbedtls_md_context_t *ctx ); 2. 获取SHA模式info const mbedtls_md_info_t *mbedtls_md_info_from_type( mbedtls_md_type_t md_type ); 选择MBEDTLS_MD_SHA256以进行SHA-256计算。 3. 设置SHA模式 int mbedtls_md_setup( mbedtls_md_context_t *ctx, ...
hmac-test.c代码如下: #include <string.h>#include <stdio.h>#include "mbedtls/md.h"#define mbedtls_printf printfint main(void){int ret;unsigned char secret[] = "a secret";unsigned char buffer[] = "some data to hash";unsigned char digest[32];mbedtls_md_context_t sha_ctx;mbedtls_md_i...
mbedtls_md_init( &md_ctx ); if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 ) goto exit; /* Generate H = Hash( M' ) */ if( ( ret = mbedtls_md_starts( &md_ctx ) ) != 0 ) goto exit; if( ( ret = mbedtls_md_update( &md_ctx, p, 8 ) ) != 0...
mbedtls_md_init(&hmac_ctx); mbedtls_md_setup(&hmac_ctx,md_info,1); mbedtls_md_hmac_starts(&hmac_ctx,key,key_len); mbedtls_md_hmac_update(&hmac_ctx,input_data,input_data_len); mbedtls_md_hmac_finish(&hmac_ctx,output); mbedtls_md_free(&hmac_ctx); }...
printf("mbedtls_md_setup() returned -0x%04x\n", -ret); goto exit; } mbedtls_md_hmac_starts(&sha_ctx, secret, sizeof(secret) - 1); mbedtls_md_hmac_update(&sha_ctx, buffer, sizeof(buffer) - 1); mbedtls_md_hmac_finish(&sha_ctx, digest); ...
if(md_alg!=MBEDTLS_MD_NONE) { /* Gather length of hash to sign */ md_info=mbedtls_md_info_from_type(md_alg); if(md_info==NULL) return(MBEDTLS_ERR_RSA_BAD_INPUT_DATA); hashlen=mbedtls_md_get_size(md_info); } md_info=mbedtls_md_info_from_type((mbedtls_md_type_t)ctx->hash...
ret =mbedtls_md_setup(&sha_ctx,mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),1);if(ret !=0) {printf("mbedtls_md_setup() returned -0x%04x\n", -ret);gotoexit; }mbedtls_md_hmac_starts(&sha_ctx, secret,sizeof(secret) -1);mbedtls_md_hmac_update(&sha_ctx, buffer,sizeof(buffer) ...
unsigned char salt[MBEDTLS_MD_MAX_SIZE]; unsigned int slen, hlen, offset = 0; int ret; size_t msb; const mbedtls_md_info_t *md_info; mbedtls_md_context_t md_ctx; if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V21 ) ...
2. 摘要算法类型mbedtls_md_type_t typedef enum { MBEDTLS_MD_NONE=0, MBEDTLS_MD_MD2, MBEDTLS_MD_MD4, MBEDTLS_MD_MD5, MBEDTLS_MD_SHA1, MBEDTLS_MD_SHA224, MBEDTLS_MD_SHA256, MBEDTLS_MD_SHA384, MBEDTLS_MD_SHA512, MBEDTLS_MD_RIPEMD160, ...
"mbedtls_md_setup", ret ); 02940 return( ret ); 02941 } 02942 02943 mbedtls_md_starts( &ctx ); 02944 mbedtls_md_update( &ctx, ssl->handshake->randbytes, 64 ); 02945 mbedtls_md_update( &ctx, dig_signed, dig_signed_len ); ...