/** * 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"); }
/** * 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"); }