constsig1 = prettyprint(ec.sign(msg1, privateKey));constsig2 = prettyprint(ec.sign(msg2, privateKey)); console.log('签名结果:');console.log('sig1:', sig1);console.log('sig2:', sig2); 运行输出: 原始消息:msg1: messagemsg2: -message签名结果:sig1: r: 104603683070405608893121994772569...
1. 消息方将签名内容,分离出r、s ,即sig(ECDSA_SIG结构体的内容为BIGNUM *r、*s) 2. 将获得的消息源内容,算出摘要dgst 3. 获取公钥。 导入到签名验证函数中进行验证 1 ECDSA_verify(inttype,constunsignedchar*dgst,intdgstlen,constunsignedchar*sig,intsiglen, EC_KEY *eckey); 若验证ok,返回1,否则返...
sig = signature; } else { sig = ECUtil.decodeSignature(signature); } byte[] digest = getDigestValue(); int digestLen = digest.length; int ret; synchronized (this.publicKey) { ret = nativeCrypto.ECDSAVerify(nativePublicKey, digest, digestLen, sig, sig.length); } if (ret == 1) { if...
1. 消息方将签名内容,分离出r、s ,即sig(ECDSA_SIG结构体的内容为BIGNUM *r、*s) 2. 将获得的消息源内容,算出摘要dgst 3. 获取公钥。 导入到签名验证函数中进行验证 ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, const unsigned char *sig, int siglen, EC_KEY *eckey); 若验证...
typedef struct ECDSA_SIG_st { BIGNUM *r; BIGNUM *s; } ECDSA_SIG; /** Allocates and initialize a ECDSA_SIG structure * \return pointer to a ECDSA_SIG structure or NULL if an error occurred */ ECDSA_SIG *ECDSA_SIG_new(void); /** frees a ECDSA_SIG structure * \param sig pointer...
1.源码实现 #include<stdio.h>#include<string.h>#include<openssl/ecdsa.h>#include<openssl/pem.h>#include<openssl/err.h>structECDSA_SIG_st{BIGNUM*r;BIGNUM*s;};//公钥验证签名intmy_verify(constchar*input,intinput_len,ECDSA_SIG*signret,constchar*pub_key_fn){EC_KEY*p_dsa=NULL;FILE*file=NU...
Intel QuickAssist Technology( QAT) OpenSSL Engine (an OpenSSL Plug-In Engine) which provides cryptographic acceleration for both hardware and optimized software using Intel QuickAssist Technology enabled Intel platforms. https://developer.intel.com/quick