Examples with HashAlgo org.xipki.security.HashAlgo used on opensource projects

Example 16 with HashAlgo

use of org.xipki.security.HashAlgo in project xipki by xipki.

the class AlgorithmUtil method getHashOutputSizeInOctets.

// method getHashAlg
public static int getHashOutputSizeInOctets(ASN1ObjectIdentifier hashAlgo) throws NoSuchAlgorithmException {
    ParamUtil.requireNonNull("hashAlgo", hashAlgo);
    HashAlgo hashAlgoType = HashAlgo.getInstance(hashAlgo);
    if (hashAlgoType == null) {
        throw new NoSuchAlgorithmException("Unsupported hash algorithm " + hashAlgo.getId());
    }
    return hashAlgoType.getLength();
}

Example 17 with HashAlgo

use of org.xipki.security.HashAlgo in project xipki by xipki.

the class EmulatorP11Identity method rsaPkcsPssSign.

private byte[] rsaPkcsPssSign(P11Params parameters, byte[] contentToSign, HashAlgo hashAlgo) throws P11TokenException {
    if (!(parameters instanceof P11RSAPkcsPssParams)) {
        throw new P11TokenException("the parameters is not of " + P11RSAPkcsPssParams.class.getName());
    }
    P11RSAPkcsPssParams pssParam = (P11RSAPkcsPssParams) parameters;
    HashAlgo contentHash = HashAlgo.getInstanceForPkcs11HashMech(pssParam.getHashAlgorithm());
    if (contentHash == null) {
        throw new P11TokenException("unsupported HashAlgorithm " + pssParam.getHashAlgorithm());
    } else if (hashAlgo != null && contentHash != hashAlgo) {
        throw new P11TokenException("Invalid parameters: invalid hash algorithm");
    }
    HashAlgo mgfHash = HashAlgo.getInstanceForPkcs11MgfMech(pssParam.getMaskGenerationFunction());
    if (mgfHash == null) {
        throw new P11TokenException("unsupported MaskGenerationFunction " + pssParam.getHashAlgorithm());
    }
    byte[] hashValue = (hashAlgo == null) ? contentToSign : hashAlgo.hash(contentToSign);
    byte[] encodedHashValue;
    try {
        encodedHashValue = SignerUtil.EMSA_PSS_ENCODE(contentHash, hashValue, mgfHash, (int) pssParam.getSaltLength(), getSignatureKeyBitLength(), random);
    } catch (XiSecurityException ex) {
        throw new P11TokenException("XiSecurityException: " + ex.getMessage(), ex);
    }
    return rsaX509Sign(encodedHashValue);
}