private static final int ALGORITHM_RSA_PRIVATE_KEY_LENGTH = 1024; public static Map<String, String> keyMap = new HashMap<String, String>(); public static void main(String[] args) { String data = "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAIcYyWmIm5+0slzA1OLLJjutQcKQG18YenCDFN0...
4 位的数字转换 str[j++] = hexDigits[b & 0xf]; } result = new String(str);// 结果转换成字符串用于返回 } catch (NoSuchAlgorithmException e) { // 当请求特定的加密算法而它在该环境中不可用时抛出此异常 e.printStackTrace(); } catch (UnsupportedEncodingException e) { // 不支持字符编码异...
Java // Java Program to Implement the RSA Algorithm import java.math.*; import java.util.*; class RSA { public static void main(String args[]) { int p, q, n, z, d = 0, e, i; // The number to be encrypted and decrypted int msg = 12; double c; BigInteger msgback; // 1st...
也就是说传输中的数据可以不再加密,接收方获得数据后,拿到公钥与签名比对数据是否有效! publicclassDSAUtil{privatestaticStringPUBLIC_KEY="MIIBuDCCASwGByqGSM44BAEwggEfAoGBAP1/U4EddRIpUt9KnC7s5Of2EbdSPO9EAMMeP4C2USZpRV1AIlH7WT2NWPq/xfW6MPbLm1Vs14E7gB00b/JmYLdrmVClpJ+f6AR7ECLCT7up1/63xhv4O1f...
importjava.security.spec.X509EncodedKeySpec;importjavax.crypto.Cipher;importorg.apache.commons.codec.binary.Base64;publicclassRSACryptoUtil {/*** 加密算法RSA*/publicstaticfinalString KEY_ALGORITHM = "RSA";/*** 填充方式*/publicstaticfinalString CIPHER_TRANSFORMAT = "RSA/ECB/PKCS1Padding";/*** ...
import java.security.KeyPairGenerator; import java.security.NoSuchAlgorithmException; import java.security.PrivateKey; import java.security.PublicKey; import java.security.interfaces.RSAPrivateKey; import java.security.interfaces.RSAPublicKey; import java.security.spec.InvalidKeySpecException; ...
Regel-ID CA5385 Titel RSA-Algorithmus (Rivest – Shamir – Adleman) mit ausreichender Schlüsselgröße verwenden Kategorie Security Fix führt oder führt nicht zur Unterbrechung Nicht unterbrechend Standardmäßig in .NET 8 aktiviert NeinUrsache...
public override byte[] SignHash (byte[] hash, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding); Parameters hash Byte[] The hash value of the data to be signed. hashAlgorithm HashAlgorithmName The hash algorithm used to create ...
publicoverridebyte[]SignHash(byte[] hash, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding); Parameters hash Byte[] The hash value of the data to be signed. hashAlgorithm HashAlgorithmName ...
import java.security.*; import java.util.Base64; public class RSAEncryption{ public static void main(String[] args) throws NoSuchAlgorithmException { KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA"); SecureRandom secureRandom = new SecureRandom(); keyPairGenerator.initialize(2048...