Examples with AlgorithmIdentifier org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier used on opensource projects

Example 36 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class P12KeyGenerator method getContentSigner.

// method generateIdentity
private static ContentSigner getContentSigner(PrivateKey key) throws Exception {
    BcContentSignerBuilder builder;
    if (key instanceof RSAPrivateKey) {
        ASN1ObjectIdentifier hashOid = X509ObjectIdentifiers.id_SHA1;
        ASN1ObjectIdentifier sigOid = PKCSObjectIdentifiers.sha1WithRSAEncryption;
        builder = new BcRSAContentSignerBuilder(buildAlgId(sigOid), buildAlgId(hashOid));
    } else if (key instanceof DSAPrivateKey) {
        ASN1ObjectIdentifier hashOid = X509ObjectIdentifiers.id_SHA1;
        AlgorithmIdentifier sigId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa_with_sha1);
        builder = new BcDSAContentSignerBuilder(sigId, buildAlgId(hashOid));
    } else if (key instanceof ECPrivateKey) {
        HashAlgo hashAlgo;
        ASN1ObjectIdentifier sigOid;
        int keysize = ((ECPrivateKey) key).getParams().getOrder().bitLength();
        if (keysize > 384) {
            hashAlgo = HashAlgo.SHA512;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA512;
        } else if (keysize > 256) {
            hashAlgo = HashAlgo.SHA384;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA384;
        } else if (keysize > 224) {
            hashAlgo = HashAlgo.SHA224;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA224;
        } else if (keysize > 160) {
            hashAlgo = HashAlgo.SHA256;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
        } else {
            hashAlgo = HashAlgo.SHA1;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA1;
        }
        builder = new BcECContentSignerBuilder(new AlgorithmIdentifier(sigOid), buildAlgId(hashAlgo.getOid()));
    } else {
        throw new IllegalArgumentException("unknown type of key " + key.getClass().getName());
    }
    return builder.build(KeyUtil.generatePrivateKeyParameter(key));
}

Example 37 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method getDSASigAlgId.

// method getRSASigAlgId
// CHECKSTYLE:SKIP
private static AlgorithmIdentifier getDSASigAlgId(HashAlgo hashAlgo) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("hashAlgo", hashAlgo);
    ASN1ObjectIdentifier sigAlgOid = digestToDSASigAlgMap.get(hashAlgo);
    if (sigAlgOid == null) {
        throw new NoSuchAlgorithmException("unsupported hash " + hashAlgo + " for DSA key");
    }
    return new AlgorithmIdentifier(sigAlgOid);
}

Example 38 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method extractDigesetAlgFromSigAlg.

public static AlgorithmIdentifier extractDigesetAlgFromSigAlg(AlgorithmIdentifier sigAlgId) throws NoSuchAlgorithmException {
    ASN1ObjectIdentifier algOid = sigAlgId.getAlgorithm();
    ASN1ObjectIdentifier digestAlgOid;
    if (PKCSObjectIdentifiers.id_RSASSA_PSS.equals(algOid)) {
        ASN1Encodable asn1Encodable = sigAlgId.getParameters();
        RSASSAPSSparams param = RSASSAPSSparams.getInstance(asn1Encodable);
        digestAlgOid = param.getHashAlgorithm().getAlgorithm();
    } else {
        HashAlgo digestAlg = sigAlgOidToDigestMap.get(algOid);
        if (digestAlg == null) {
            throw new NoSuchAlgorithmException("unknown signature algorithm " + algOid.getId());
        }
        digestAlgOid = digestAlg.getOid();
    }
    return new AlgorithmIdentifier(digestAlgOid, DERNull.INSTANCE);
}

Example 39 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method createPSSRSAParams.

// CHECKSTYLE:SKIP
private static RSASSAPSSparams createPSSRSAParams(HashAlgo digestAlg) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("digestAlg", digestAlg);
    int saltSize = digestAlg.getLength();
    AlgorithmIdentifier digAlgId = new AlgorithmIdentifier(digestAlg.getOid(), DERNull.INSTANCE);
    return new RSASSAPSSparams(digAlgId, new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, digAlgId), new ASN1Integer(saltSize), RSASSAPSSparams.DEFAULT_TRAILER_FIELD);
}

Example 40 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method getSigAlgId.

// method getMacAlgId
public static AlgorithmIdentifier getSigAlgId(String sigAlgName) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("sigAlgName", sigAlgName);
    String algoS = sigAlgName.toUpperCase();
    algoS = canonicalizeAlgoText(algoS);
    AlgorithmIdentifier signatureAlgId;
    if (algoS.contains("MGF1")) {
        HashAlgo ha = mgf1SigNameToDigestOidMap.get(algoS);
        if (ha == null) {
            throw new NoSuchAlgorithmException("unknown algorithm " + algoS);
        }
        signatureAlgId = buildRSAPSSAlgId(ha);
    } else {
        ASN1ObjectIdentifier algOid = sigAlgNameToOidMap.get(algoS);
        if (algOid == null) {
            throw new NoSuchAlgorithmException("unknown algorithm " + algoS);
        }
        boolean withNullParam = algoS.contains("RSA");
        signatureAlgId = withNullParam ? new AlgorithmIdentifier(algOid, DERNull.INSTANCE) : new AlgorithmIdentifier(algOid);
    }
    return signatureAlgId;
}