Examples with BcECContentVerifierProviderBuilder org.bouncycastle.operator.bc.BcECContentVerifierProviderBuilder used on opensource projects

Example 1 with BcECContentVerifierProviderBuilder

use of org.bouncycastle.operator.bc.BcECContentVerifierProviderBuilder in project xipki by xipki.

the class CmpCaClient method getContentVerifierProvider.

// method verifyProtection
public static ContentVerifierProvider getContentVerifierProvider(PublicKey publicKey) throws InvalidKeyException {
    SdkUtil.requireNonNull("publicKey", publicKey);
    String keyAlg = publicKey.getAlgorithm().toUpperCase();
    DigestAlgorithmIdentifierFinder digAlgFinder = new DefaultDigestAlgorithmIdentifierFinder();
    BcContentVerifierProviderBuilder builder;
    if ("RSA".equals(keyAlg)) {
        builder = new BcRSAContentVerifierProviderBuilder(digAlgFinder);
    } else if ("DSA".equals(keyAlg)) {
        builder = new BcDSAContentVerifierProviderBuilder(digAlgFinder);
    } else if ("EC".equals(keyAlg) || "ECDSA".equals(keyAlg)) {
        builder = new BcECContentVerifierProviderBuilder(digAlgFinder);
    } else {
        throw new InvalidKeyException("unknown key algorithm of the public key " + keyAlg);
    }
    AsymmetricKeyParameter keyParam;
    if (publicKey instanceof RSAPublicKey) {
        RSAPublicKey rsaKey = (RSAPublicKey) publicKey;
        keyParam = new RSAKeyParameters(false, rsaKey.getModulus(), rsaKey.getPublicExponent());
    } else if (publicKey instanceof ECPublicKey) {
        keyParam = ECUtil.generatePublicKeyParameter(publicKey);
    } else if (publicKey instanceof DSAPublicKey) {
        keyParam = DSAUtil.generatePublicKeyParameter(publicKey);
    } else {
        throw new InvalidKeyException("unknown key " + publicKey.getClass().getName());
    }
    try {
        return builder.build(keyParam);
    } catch (OperatorCreationException ex) {
        throw new InvalidKeyException("could not build ContentVerifierProvider: " + ex.getMessage(), ex);
    }
}

Example 2 with BcECContentVerifierProviderBuilder

use of org.bouncycastle.operator.bc.BcECContentVerifierProviderBuilder in project xipki by xipki.

the class CaEmulator method getContentVerifierProvider.

public ContentVerifierProvider getContentVerifierProvider(PublicKey publicKey) throws InvalidKeyException {
    ScepUtil.requireNonNull("publicKey", publicKey);
    String keyAlg = publicKey.getAlgorithm().toUpperCase();
    if ("EC".equals(keyAlg)) {
        keyAlg = "ECDSA";
    }
    BcContentVerifierProviderBuilder builder = VERIFIER_PROVIDER_BUILDER.get(keyAlg);
    if (builder == null) {
        if ("RSA".equals(keyAlg)) {
            builder = new BcRSAContentVerifierProviderBuilder(DFLT_DIGESTALG_IDENTIFIER_FINDER);
        } else if ("DSA".equals(keyAlg)) {
            builder = new BcDSAContentVerifierProviderBuilder(DFLT_DIGESTALG_IDENTIFIER_FINDER);
        } else if ("ECDSA".equals(keyAlg)) {
            builder = new BcECContentVerifierProviderBuilder(DFLT_DIGESTALG_IDENTIFIER_FINDER);
        } else {
            throw new InvalidKeyException("unknown key algorithm of the public key " + keyAlg);
        }
        VERIFIER_PROVIDER_BUILDER.put(keyAlg, builder);
    }
    AsymmetricKeyParameter keyParam = generatePublicKeyParameter(publicKey);
    try {
        return builder.build(keyParam);
    } catch (OperatorCreationException ex) {
        throw new InvalidKeyException("could not build ContentVerifierProvider: " + ex.getMessage(), ex);
    }
}