Examples with AlgorithmIdentifier org.spongycastle.asn1.x509.AlgorithmIdentifier used on opensource projects

Example 31 with AlgorithmIdentifier

use of org.spongycastle.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 32 with AlgorithmIdentifier

use of org.spongycastle.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 33 with AlgorithmIdentifier

use of org.spongycastle.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;
}

Example 34 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method getMacAlgId.

public static AlgorithmIdentifier getMacAlgId(String macAlgName) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("macAlgName", macAlgName);
    String algoS = macAlgName.toUpperCase();
    algoS = canonicalizeAlgoText(algoS);
    ASN1ObjectIdentifier oid = macAlgNameToOidMap.get(algoS);
    if (oid == null) {
        throw new NoSuchAlgorithmException("unsupported signature algorithm " + algoS);
    }
    return new AlgorithmIdentifier(oid, DERNull.INSTANCE);
}

Example 35 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class AlgorithmUtil method getRSASigAlgId.

// CHECKSTYLE:SKIP
private static AlgorithmIdentifier getRSASigAlgId(HashAlgo hashAlgo, boolean mgf1) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("hashAlgo", hashAlgo);
    if (mgf1) {
        return buildRSAPSSAlgId(hashAlgo);
    }
    ASN1ObjectIdentifier sigAlgOid = digestToRSASigAlgMap.get(hashAlgo);
    if (sigAlgOid == null) {
        throw new NoSuchAlgorithmException("unsupported hash " + hashAlgo + " for RSA key");
    }
    return new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
}