private void initVerify(PGPSignature pgpSignature, PGPPublicKey pgpSigningKey)
throws PGPException, NoSuchProviderException {
try {
pgpSignature.initVerify(pgpSigningKey, "BC");
} catch (NoSuchProviderException e) {
LOGGER.debug(
"No security provider found. Adding bouncy castle. This message can be ignored", e);
Security.addProvider(new BouncyCastleProvider());
pgpSignature.initVerify(pgpSigningKey, "BC");
}
}
/**
* Verify this signature for a {@link SubKey} signed by a {@link MasterKey}.
*
* @param key a subkey
* @param masterKey the signing master key
* @return {@code true} if the signature is valid, {@code false} otherwise
*/
public boolean verifyCertification(SubKey key, MasterKey masterKey) {
try {
signature.initVerify(masterKey.getPublicKey(), "BC");
return signature.verifyCertification(masterKey.getPublicKey(), key.getPublicKey());
} catch (Exception e) {
return false;
}
}
/**
* Verify this signature for a self-signed {@link MasterKey}.
*
* @param key a self-signed master key
* @return {@code true} if the signature is valid, {@code false} otherwise
*/
public boolean verifyCertification(MasterKey key) {
try {
signature.initVerify(key.getPublicKey(), "BC");
return signature.verifyCertification(key.getUserID(), key.getPublicKey());
} catch (PGPException e) {
return false;
} catch (SignatureException e) {
return false;
} catch (Exception e) {
throw new RuntimeException(e);
}
}