程序中包含密钥转换、加密和签名三个部分。 1packagepack1;23importjava.security.Key;4importjava.security.KeyFactory;5importjava.security.KeyPair;6importjava.security.KeyPairGenerator;7importjava.security.PrivateKey;8importjava.security.PublicKey;9importjava.security.Signature;10importjava.security.interfaces....
publicclassRSACoder{privatestaticfinalStringKEY_ALGORITHM="RSA";privatestaticfinalStringCIPHER_TYPE="RSA/None/PKCS1Padding";// Android端加密算法privatestaticfinalStringSIGNATURE_ALGORITHM="MD5withRSA";privatestaticfinalStringPUBLIC_KEY="RSAPublicKey";privatestaticfinalStringPRIVATE_KEY="RSAPrivateKey";/** ...
// get a public key from a private key rsaPublicKey, err := jwk.PublicKeyOf(rsaPrivatekey) if err != nil { log.Printf("failed created public key from private key: %s", err) return }// verify the token that we created above with the public key payload, err := jws.Verify(token,...
1.生成RSA私钥 genrsa -out rsa_private_key.pem 1024 2.把RSA私钥转换成PKCS8格式 pkcs8 -topk8 -inform PEM -in rsa_private_key.pem -outform PEM -nocrypt 3.生成公钥 rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem 1. 2. 3. 4. 5. 6. 第二步:将pkcs8.pem文件和rsa_...
在上面的代码中,我们定义了一个名为RSAPublicKeyToPrivateKeyConverter的类,其中包含了一个名为convert的静态方法。这个方法接受两个BigInteger类型的参数e和n,表示公钥的e值和n值。方法内部使用modInverse方法来计算满足(e*d)%n = 1的d值,并将其返回。
最近公司业务需要用到公钥和私钥,之前接触的很少,不是很了解,刚刚上网了解了下.发现很多地方都要用到...
可以试一下,我们用key.pem(之前的私钥)是没法加密的,所以我们公布出去私钥其他人是根本用不了的 $ openssl rsautl -encrypt -pubin -inkey key.pem -in hello.txt -out cipher.txt unable to load Public Key 为什么私钥和公钥文件格式不一样?实际的私钥文件里除了包含密钥值以外,还记录了用于产生私钥的原始...
PublicKey publicKey = factory.generatePublic(keySpec);} private static byte[] toBytes(String str) { if(str == null) { throw new IllegalArgumentException("binary string is null");} char[] chs = str.toCharArray();byte[] bys = new byte[chs.length / 2];int offset = 0;int...
PublicKey privateKey *rsa.PrivateKey } // 生成密钥对 func CreateKeys(publicKeyWriter, privateKeyWriter io.Writer, keyLength int) error { // 生成私钥文件 privateKey, err := rsa.GenerateKey(rand.Reader, keyLength) if err != nil { return err } derStream := MarshalPKCS8PrivateKey(private...
public class Cert { public static void main(String[] args) throws Exception { CertificateFactory factory = CertificateFactory.getInstance("X.509");Certificate cert = factory.generateCertificate(new FileInputStream("e:/security/test.cert.pem"));PublicKey pubKey = cert.getPublicKey();}...