format_bytes(stderr, 0, 4, "private key der", pri_buf, prilen); if (sm2_private_key_info_from_der(key, &attrs, &attrs_len, &pri_ptr, &prilen) != 1 || asn1_length_is_zero(prilen) != 1) { return 0; } sm2_key_print(stderr, 0, 4, "SM2_KEY", key); return 1; }...
*/publicstaticStringdecrypt(String encryptedData, String privateKeyString)throwsException {if(privateKeyString ==null|| privateKeyString.isEmpty()) {thrownewIllegalArgumentException("Private key string cannot be null or empty"); }// 解码私钥byte[] privateKeyBytes = Base64.decode(privateKeyString);...
在SM2算法标准中，通过指定a、b系数，确定了唯一的标准曲线。同时，为了将曲线映射为加密算法，SM2标准中...
对于私钥的分析类似，从ReadPrivateKeyFromPem开始，私钥是pkcs8格式（默认不带密码）的。格式如下：type...
key = ec.generate_private_key(ec.SM2()) pem = key.public_key().public_bytes( encoding=serialization.Encoding.PEM, format=serialization.PublicFormat.SubjectPublicKeyInfo, ) pubkey = serialization.load_pem_public_key(pem) ciphertext = pubkey.encrypt(msg) decrypt_text = key.decrypt(ciphert...
(encoding=serialization.Encoding.DER,format=serialization.PrivateFormat.PKCS8,encryption_algorithm=serialization.NoEncryption())# 加载私钥loaded_private_key=serialization.load_der_private_key(serialized_private_key,password=None,backend=default_backend())# 解密密文数据decrypted_text=loaded_private_key.decrypt...
* @return*/publicstaticbyte[] Sm2Decrypt(byte[] data, AsymmetricKeyParameter key) {returnSm2DecryptOld(ChangeC1C3C2ToC1C2C3(data), key); }/** * c1||c3||c2 * @param data * @param key * @return*/publicstaticbyte[] Sm2Encrypt(byte[] data, AsymmetricKeyParameter key) ...
sm4 Encrypt or decryptwithSM4zuc Encrypt or decryptwithZUCsm9setup GenerateSM9master secret sm9keygen GenerateSM9privatekey sm9sign GenerateSM9signature sm9verify VerifySM9signature sm9encryptSM9publickey encryption sm9decryptSM9decryption pbkdf2 Generate key from password ...
USB-Key through the SKF ENGINE and the SKF API. PCI-E card through the SDF ENGINE and the SDF API. GM Instruction sets (SM3/SM4) through the GMI ENGINE. Quick Start This short guide describes the build, install and typical usage of thegmsslcommand line tool. Visithttp://gmssl.orgfor...
public static String decrypt(String ciphertext, String privatekey) throws InvalidCipherTextException { String cipherData = ciphertext;//JS加密产生的密文 byte[] cipherDataByte = Hex.decode(cipherData);//格式转换 BigInteger privateKeyD = new BigInteger(privatekey, 16);//私钥Hex,还原私钥 ...