public boolean isPublicKeyBlackListed(PublicKey publicKey) {
byte[] encoded = publicKey.getEncoded();
Digest digest = AndroidDigestFactory.getSHA1();
digest.update(encoded, 0, encoded.length);
byte[] out = new byte[digest.getDigestSize()];
digest.doFinal(out, 0);
for (byte[] blacklisted : pubkeyBlacklist) {
if (Arrays.equals(blacklisted, Hex.encode(out))) {
return true;
}
}
return false;
}
private static PBEParametersGenerator makePBEGenerator(int type, int hash) {
PBEParametersGenerator generator;
if (type == PKCS5S1) {
switch (hash) {
// BEGIN android-removed
// case MD2:
// generator = new PKCS5S1ParametersGenerator(new MD2Digest());
// break;
// END android-removed
case MD5:
// BEGIN android-changed
generator = new PKCS5S1ParametersGenerator(AndroidDigestFactory.getMD5());
// END android-changed
break;
case SHA1:
// BEGIN android-changed
generator = new PKCS5S1ParametersGenerator(AndroidDigestFactory.getSHA1());
// END android-changed
break;
default:
throw new IllegalStateException("PKCS5 scheme 1 only supports MD2, MD5 and SHA1.");
}
} else if (type == PKCS5S2) {
generator = new PKCS5S2ParametersGenerator();
} else if (type == PKCS12) {
switch (hash) {
// BEGIN android-removed
// case MD2:
// generator = new PKCS12ParametersGenerator(new MD2Digest());
// break;
// END android-removed
case MD5:
// BEGIN android-changed
generator = new PKCS12ParametersGenerator(AndroidDigestFactory.getMD5());
// END android-changed
break;
case SHA1:
// BEGIN android-changed
generator = new PKCS12ParametersGenerator(AndroidDigestFactory.getSHA1());
// END android-changed
break;
// BEGIN android-removed
// case RIPEMD160:
// generator = new PKCS12ParametersGenerator(new RIPEMD160Digest());
// break;
// case TIGER:
// generator = new PKCS12ParametersGenerator(new TigerDigest());
// break;
// END android-removed
case SHA256:
// BEGIN android-changed
generator = new PKCS12ParametersGenerator(AndroidDigestFactory.getSHA256());
// END android-changed
break;
default:
throw new IllegalStateException("unknown digest scheme for PBE encryption.");
}
} else {
generator = new OpenSSLPBEParametersGenerator();
}
return generator;
}
public DSAParametersGenerator() {
// BEGIN android-changed
this(AndroidDigestFactory.getSHA1());
// END android-changed
}