Examples with AlgorithmIdentifier com.android.apksig.internal.pkcs7.AlgorithmIdentifier used on opensource projects

Example 51 with AlgorithmIdentifier

use of com.android.apksig.internal.pkcs7.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 52 with AlgorithmIdentifier

use of com.android.apksig.internal.pkcs7.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 53 with AlgorithmIdentifier

use of com.android.apksig.internal.pkcs7.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 54 with AlgorithmIdentifier

use of com.android.apksig.internal.pkcs7.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 55 with AlgorithmIdentifier

use of com.android.apksig.internal.pkcs7.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);
}