Package org.spongycastle.crypto.digests

Examples of org.spongycastle.crypto.digests.SHA256Digest


    public ECDSASignature doSign(byte[] input) {
        // No decryption of private key required.
        if (priv == null)
            throw new MissingPrivateKeyException();
        check(priv != null, "Private key must not be null");
        ECDSASigner signer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
        ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(priv, CURVE);
        signer.init(true, privKey);
        BigInteger[] components = signer.generateSignature(input);
        return new ECDSASignature(components[0], components[1]).toCanonicalised();
    }
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