protected void engineSetMode(String mode) throws NoSuchAlgorithmException {
String md = Strings.toUpperCase(mode);
if (md.equals("NONE") || md.equals("ECB")) {
return;
}
if (md.equals("1")) {
privateKeyOnly = true;
publicKeyOnly = false;
return;
} else if (md.equals("2")) {
privateKeyOnly = false;
publicKeyOnly = true;
return;
}
throw new NoSuchAlgorithmException("can't support mode " + mode);
}
protected void engineSetPadding(String padding) throws NoSuchPaddingException {
String pad = Strings.toUpperCase(padding);
if (pad.equals("NOPADDING")) {
cipher = new RSABlindedEngine();
} else if (pad.equals("PKCS1PADDING")) {
cipher = new PKCS1Encoding(new RSABlindedEngine());
} else if (pad.equals("ISO9796-1PADDING")) {
cipher = new ISO9796d1Encoding(new RSABlindedEngine());
} else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING")) {
initFromSpec(
new OAEPParameterSpec(
"MD5", "MGF1", new MGF1ParameterSpec("MD5"), PSource.PSpecified.DEFAULT));
} else if (pad.equals("OAEPPADDING")) {
initFromSpec(OAEPParameterSpec.DEFAULT);
} else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING")
|| pad.equals("OAEPWITHSHA-1ANDMGF1PADDING")) {
initFromSpec(OAEPParameterSpec.DEFAULT);
} else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING")
|| pad.equals("OAEPWITHSHA-224ANDMGF1PADDING")) {
initFromSpec(
new OAEPParameterSpec(
"SHA-224", "MGF1", new MGF1ParameterSpec("SHA-224"), PSource.PSpecified.DEFAULT));
} else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING")
|| pad.equals("OAEPWITHSHA-256ANDMGF1PADDING")) {
initFromSpec(
new OAEPParameterSpec(
"SHA-256", "MGF1", MGF1ParameterSpec.SHA256, PSource.PSpecified.DEFAULT));
} else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING")
|| pad.equals("OAEPWITHSHA-384ANDMGF1PADDING")) {
initFromSpec(
new OAEPParameterSpec(
"SHA-384", "MGF1", MGF1ParameterSpec.SHA384, PSource.PSpecified.DEFAULT));
} else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING")
|| pad.equals("OAEPWITHSHA-512ANDMGF1PADDING")) {
initFromSpec(
new OAEPParameterSpec(
"SHA-512", "MGF1", MGF1ParameterSpec.SHA512, PSource.PSpecified.DEFAULT));
} else {
throw new NoSuchPaddingException(padding + " unavailable with RSA.");
}
}