问HMAC_Init_ex腐蚀堆栈空间EN腐蚀监测设备应具备将 ER 腐蚀速率、阴极保护参数(自然电位、通电电位、断...
HMAC_CTX ctx; HMAC_CTX_init(&ctx); HMAC_Init_ex(&ctx, key, strlen(key), engine, NULL); HMAC_Update(&ctx, (unsigned char*)input, strlen(input)); // input is OK; &input is WRONG !!! HMAC_Final(&ctx, output, &output_length); HMAC_CTX_cleanup(&ctx); #else HMAC_CTX *ctx =...
HMAC_CTX_cleanup() existed in OpenSSL before version 1.1.0. HMAC_CTX_new(), HMAC_CTX_free() and HMAC_CTX_get_md() are new in OpenSSL 1.1.0. HMAC_Init_ex(), HMAC_Update() and HMAC_Final() did not return values in OpenSSL before version 1.0.0. ...
> However HMAC_Init_ex() can be called with 'evp_md' and 'key' arguments > =NULL to reuse the previous context. But as far as i can tell the > context is saved sometime after the _init() function allocated the > buffer. The first dataset is HMACed correctly and buffer is free(...
if (HMAC_Init_ex(ctx, key, key_len, EVP_sm3(), NULL) != 1) { HMAC_CTX_free(ctx); handleErrors(); } if (HMAC_Update(ctx, data, data_len) != 1) { HMAC_CTX_free(ctx); handleErrors(); } if (HMAC_Final(ctx, digest, digest_len) != 1) { ...
HMAC_Init_ex(&ctx,key,strlen(key),engine,nullptr); HMAC_Update(&ctx,reinterpret_cast<constunsignedchar*>(data),strlen(data)); HMAC_Final(&ctx,output.get(),&output_length); HMAC_CTX_cleanup(&ctx); fprintf(stdout,"output length: %d\noutput result:",output_length); ...
staticVALUEossl_hmac_initialize(VALUEself,VALUEkey,VALUEdigest){HMAC_CTX*ctx;StringValue(key);GetHMAC(self,ctx);HMAC_Init_ex(ctx,RSTRING_PTR(key),RSTRING_LENINT(key),GetDigestPtr(digest),NULL);returnself;} 公共实例方法 <<(p1) 别名为:更新 ...
= HMAC_Init_ex(mdctx, key, key_len, EVP_sha256(), NULL)) { std::cerr << "HMAC_Init_ex failed" << std::endl; EVP_MD_CTX_free(mdctx); return 1; } if (1 != HMAC_Update(mdctx, (const unsigned char*)data, data_len)) { std::cerr << "HMAC_...
int HMAC_Init(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md); int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl); int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len); int HMAC_Final(HMAC_CTX *...
HMAC_Init_ex(&ctx, key, strlen(key), EVP_sha256(), NULL); HMAC_Update(&ctx, (unsigned char*)data, strlen(data)); HMAC_Final(&ctx, digest, &digest_length); printf("HMAC-SHA256: "); for (int i = 0; i < digest_length; i++) { ...