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public class RSAUtils {
private static byte[] getPublicKey(String slatKey) throws Exception { KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA"); SecureRandom random = SecureRandom.getInstance("SHA1PRNG"); random.setSeed(slatKey.getBytes()); keyPairGenerator.initialize(1024, random); KeyPair keyPair = keyPairGenerator.generateKeyPair(); return keyPair.getPublic().getEncoded(); }
private static byte[] getPrivateKey(String slatKey) throws Exception { KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA"); SecureRandom random = SecureRandom.getInstance("SHA1PRNG"); random.setSeed(slatKey.getBytes()); keyPairGenerator.initialize(1024, random); KeyPair keyPair = keyPairGenerator.generateKeyPair(); return keyPair.getPrivate().getEncoded(); } }
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