Examples of bitLength()


Examples of java.math.BigInteger.bitLength()

       
        BigInteger n = ((ECPrivateKeyParameters)this.key).getParameters().getN();
        int nBitLength = n.bitLength();
       
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
       
        ECPrivateKeyParameters  privKey = (ECPrivateKeyParameters)key;
              
        if (eBitLength > nBitLength)
        {
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Examples of java.math.BigInteger.bitLength()

            throw new IllegalStateException("not initialised for verifying");
        }

        ECPublicKeyParameters pubKey = (ECPublicKeyParameters)key;
        BigInteger n = pubKey.getParameters().getN();
        int nBitLength = n.bitLength();
       
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
       
        if (eBitLength > nBitLength)
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Examples of java.math.BigInteger.bitLength()

        ECPublicKeyParameters pubKey = (ECPublicKeyParameters)key;
        BigInteger n = pubKey.getParameters().getN();
        int nBitLength = n.bitLength();
       
        BigInteger e = new BigInteger(1, digest);
        int eBitLength = e.bitLength();
       
        if (eBitLength > nBitLength)
        {
            throw new DataLengthException("input too large for ECNR key.");
        }
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Examples of java.math.BigInteger.bitLength()

    private static ECFieldElement hash2FieldElement(ECCurve curve, byte[] hash)
    {
        byte[] data = Arrays.clone(hash);
        reverseBytes(data);
        BigInteger num = new BigInteger(1, data);
        while (num.bitLength() >= curve.getFieldSize())
        {
            num = num.clearBit(num.bitLength() - 1);
        }

        return curve.fromBigInteger(num);
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Examples of java.math.BigInteger.bitLength()

        byte[] data = Arrays.clone(hash);
        reverseBytes(data);
        BigInteger num = new BigInteger(1, data);
        while (num.bitLength() >= curve.getFieldSize())
        {
            num = num.clearBit(num.bitLength() - 1);
        }

        return curve.fromBigInteger(num);
    }
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Examples of java.math.BigInteger.bitLength()

    }

    private static BigInteger fieldElement2Integer(BigInteger n, ECFieldElement fieldElement)
    {
        BigInteger num = fieldElement.toBigInteger();
        while (num.bitLength() >= n.bitLength())
        {
            num = num.clearBit(num.bitLength() - 1);
        }

        return num;
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Examples of java.math.BigInteger.bitLength()

    private static BigInteger fieldElement2Integer(BigInteger n, ECFieldElement fieldElement)
    {
        BigInteger num = fieldElement.toBigInteger();
        while (num.bitLength() >= n.bitLength())
        {
            num = num.clearBit(num.bitLength() - 1);
        }

        return num;
    }
}
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Examples of java.math.BigInteger.bitLength()

    public static int intValueOf(String literal) {
        IntegerHolder h = parseInteger(literal);

        BigInteger number = h.toBigInteger();
        if (h.radix != 10) {
            if (number.bitLength() > 32) {
                throw new NumberFormatException(literal);
            }
        } else {
            if (number.bitLength() > 31 && !number.equals(MAX_INT)) {
                throw new NumberFormatException(literal);
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Examples of java.math.BigInteger.bitLength()

        if (h.radix != 10) {
            if (number.bitLength() > 32) {
                throw new NumberFormatException(literal);
            }
        } else {
            if (number.bitLength() > 31 && !number.equals(MAX_INT)) {
                throw new NumberFormatException(literal);
            }
        }
        return number.intValue();
    }
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Examples of java.math.BigInteger.bitLength()

        }
        IntegerHolder h = parseInteger(target);

        BigInteger number = h.toBigInteger();
        if (h.radix != 10) {
            if (number.bitLength() > 64) {
                throw new NumberFormatException(literal);
            }
        } else {
            if (number.bitLength() > 63 && !number.equals(MAX_LONG)) {
                throw new NumberFormatException(literal);
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