以下是PKCS7Signature加签过程中涉及到的主要类的类图。 KeyPairGenerator+getInstance(String algorithm) : KeyPairGenerator+initialize(int keySize)+generateKeyPair() : KeyPairKeyPair+getPrivate() : PrivateKey+getPublic() : PublicKeySignature+getInstance(String algorithm) : Signature+initSign(PrivateKey pri...
AI检测代码解析 fromM2CryptoimportEVP,RSA,BIOdefsign_message(private_key,data):rsa=RSA.load_key(private_key)h=EVP.PKey()h.assign_rsa(rsa)h.sign_init()h.update(data)signature=h.sign_final()returnsignaturedefverify_signature(public_key,data,signature):rsa=RSA.load_pub_key(public_key)h=EVP....
问使用OpenSSL从SMIME消息(pkcs7-signature)中提取公共证书EN1. 创建一个私钥 openssl genrsa -des3 -...
public static bool VerifySignature(byte[] signedData, byte[] originalData, string publicKeyPath) { // 读取公钥 var publicKey = (AsymmetricKeyParameter)PublicKeyUtilities.GetPublicKey(File.ReadAllText(publicKeyPath)); // 创建CMS签名对象 CmsSignedData signedDataObj = new CmsSignedData(signedData); ...
2. 签名算法标识符(Signature Algorithm Identifier):用于指定签名算法的标识符。常见的签名算法包括RSA、DSA和ECDSA等。 3. 签名(Signature Value):用于存储发送者的签名信息。 4. 证书(Certificate):用于存储发送者的数字证书,包括公钥和相关的认证信息。 5. 加密算法标识符(Encryption Algorithm Identifier):用于指定...
Github 上查看一些项目的 Commits 时，偶尔会发现「This commit was signed with a verified signature....
创造PKCS7的特征《PKCS7应该是指PKCS7结构体定义如下：typedef struct pkcs7_st { /* The following is non NULL if it contains ASN1 encoding of this structure */ unsigned char *asn1;long length;define PKCS7_S_HEADER 0 define PKCS7_S_BODY 1 define PKCS7_S_TAIL 2 int state; /...
Signature oSign = Signature.getInstance("SHA1withRSA"); // 初始化签名对象 oSign.initVerify(oCert); // 传入签名原文 oSign.update(signData); // 验证数字签名 verifyRet = oSign.verify(signedData); } catch (Exception e) { verifyRet = false; ...
with signature.open("wb") as file: file.write(der) ` @alex@reaperhulkgreat work on addingsign. I am testing this and can't seem to find a way to add an additional certificate. Is this missing? The background is that my x509 certificate is from a commercial CA. But - as it's com...
1. //signature_msg为PKCS7签名串 [cpp]1. int Openssl_Verify(unsigned char* signature_msg,unsigned int length)2. { 3. unsigned char message[1024];4. int message_length = 0;5.6. const unsigned char* p_signature_msg = signature_msg; //这⾥很重要，不然会修改signature_msg指针...