protected byte[] engineSign() throws SignatureException { try { byte[] sig = signer.generateSignature(); return sig; } catch (Exception e) { throw new SignatureException(e.toString()); } }
protected byte[] engineSign() throws SignatureException { try { byte[] sig = signer.generateSignature(); return sig; } catch (Exception e) { throw new SignatureException(e.toString()); } }
RSAKeyParameters pubParameters = new RSAKeyParameters(false, mod3, pub3); RSAKeyParameters privParameters = new RSAKeyParameters(true, mod3, pri3); RSAEngine rsa = new RSAEngine(); byte[] data; ISO9796d2Signer eng = new ISO9796d2Signer(rsa, new RIPEMD128Digest()); eng.init(true, privParameters); eng.update(msg4[0]); eng.update(msg4, 1, msg4.length - 1); data = eng.generateSignature(); eng.init(false, pubParameters); eng.update(msg4[0]); eng.update(msg4, 1, msg4.length - 1); if (eng.hasFullMessage()) { eng = new ISO9796d2Signer(rsa, new RIPEMD128Digest()); eng.init(false, pubParameters); if (!eng.verifySignature(sig4)) { // signature tampered with } byte[] message = eng.getRecoveredMessage(), 0, msg4); }