Examples with MacData com.github.zhenwei.core.asn1.pkcs.MacData used on opensource projects

Example 11 with MacData

use of com.github.zhenwei.core.asn1.pkcs.MacData in project LinLong-Java by zhenwei1108.

the class MacDataGenerator method build.

public MacData build(char[] password, byte[] data) throws PKCSException {
    MacCalculator macCalculator;
    try {
        macCalculator = builder.build(password);
        OutputStream out = macCalculator.getOutputStream();
        out.write(data);
        out.close();
    } catch (Exception e) {
        throw new PKCSException("unable to process data: " + e.getMessage(), e);
    }
    AlgorithmIdentifier algId = macCalculator.getAlgorithmIdentifier();
    DigestInfo dInfo = new DigestInfo(builder.getDigestAlgorithmIdentifier(), macCalculator.getMac());
    PKCS12PBEParams params = PKCS12PBEParams.getInstance(algId.getParameters());
    return new MacData(dInfo, params.getIV(), params.getIterations().intValue());
}

Example 12 with MacData

use of com.github.zhenwei.core.asn1.pkcs.MacData in project LinLong-Java by zhenwei1108.

the class PKCS12PfxPdu method isMacValid.

/**
 * Verify the MacData attached to the PFX is consistent with what is expected.
 *
 * @param macCalcProviderBuilder provider builder for the calculator for the MAC
 * @param password               password to use
 * @return true if mac data is valid, false otherwise.
 * @throws PKCSException         if there is a problem evaluating the MAC.
 * @throws IllegalStateException if no MAC is actually present
 */
public boolean isMacValid(PKCS12MacCalculatorBuilderProvider macCalcProviderBuilder, char[] password) throws PKCSException {
    if (hasMac()) {
        MacData pfxmData = pfx.getMacData();
        MacDataGenerator mdGen = new MacDataGenerator(macCalcProviderBuilder.get(new AlgorithmIdentifier(pfxmData.getMac().getAlgorithmId().getAlgorithm(), new PKCS12PBEParams(pfxmData.getSalt(), pfxmData.getIterationCount().intValue()))));
        try {
            MacData mData = mdGen.build(password, ASN1OctetString.getInstance(pfx.getAuthSafe().getContent()).getOctets());
            return Arrays.constantTimeAreEqual(mData.getEncoded(), pfx.getMacData().getEncoded());
        } catch (IOException e) {
            throw new PKCSException("unable to process AuthSafe: " + e.getMessage());
        }
    }
    throw new IllegalStateException("no MAC present on PFX");
}