because, as far as I can tell, that is not the default curve for EC signing. Looking into the documentation I tried to set the correct curve like this (smart pointers used, error handling ignored for the sake of brevity): EVP_PKEY_CTX * pctx; EVP_DigestSignInit(mdctx.get(), &pctx...
int (*cleanup) (EVP_MD_CTX *ctx); int block_size; int ctx_size; int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, vpid *p2); } type:摘要类型,一般是摘要算算NID; pkey_type:公钥类型,一般是签名算法NID; md_size:摘要值大小,为字节数 flags:用于设置标记 init:摘要算法初始化函数 u...
#include <openssl/ec.h> int EVP_PKEY_CTX_set_ec_paramgen_curve_nid(EVP_PKEY_CTX *ctx, int nid); DESCRIPTION The function EVP_PKEY_CTX_ctrl() sends a control operation to the contextctx. The key type used must matchkeytypeif it is not -1. The parameteroptypeis a mask indicating ...
int (*cleanup) (EVP_CIPHER_CTX *); /* how big ctx->cipher_data needs to be */ int ctx_size; /* Populate a ASN1_TYPE with parameters */ /*设置上下文参数函数*/ int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ /*获取上下...
BN_CTX *ctx = NULL; BIGNUM *x_coordinate = NULL, *y_coordinate = NULL; char *x_coordinate_str = NULL, *y_coordinate_str = NULL; /* create SM2 Ellipse Curve parameters and key pair */ if ( !(pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_EC, NULL)) ) { goto clean_up; } if (...
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_EC_NAME, name, namelen); if (!EVP_PKEY_CTX_get_params(ctx, params)) return -1; return 1; } #ifndef FIPS_MODULE int EVP_PKEY_CTX_set_ec_paramgen_curve_nid(EVP_PKEY_CTX *ctx, int nid) { @@ -483,6 +441,6 @@ int ...
1、SM2实现( 利openssl的evp)加解密#include #include #include #include openssl/ec.h #include openssl/evp.h/* Main function return value:0: main function executes successfully-1: an error occurs*/ int main(void)int ret = -1, i;EVP_PKEY_CTX *pctx = NULL, *ectx = NULL; EVP_PKEY *p...
EVP_PKEY_CTX_set_ec_param_enc-algorithmspecificcontroloperations =head1SYNOPSIS #include<openssl/evp.h> intEVP_PKEY_CTX_ctrl(EVP_PKEY_CTX*ctx,intkeytype,intoptype, intcmd,intp1,void*p2); intEVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX*ctx,constchar*type, ...
ctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL); // EC_KEY if (ctx == NULL || EVP_PKEY_fromdata_init(ctx) <= 0) { errMsg("Setup ctx failed"); } // store private key BIGNUM *priv = BN_bin2bn(priv_data, sizeof(priv_data), NULL); ...
问在EVP_PKEY 1.1.1和3.0.x中从EC生点( PEM或DER )设置一个OpenSSLEN也就是说ASN.1是一种...