Example usage for org.bouncycastle.math.ec ECCurve.Fp getFieldSize

Introduction

In this page you can find the example usage for org.bouncycastle.math.ec ECCurve.Fp getFieldSize.

Prototype

public abstract int getFieldSize();

Source Link

Usage

From source file:service.ACService.java

License:Open Source License

/**
 * Construct a number of private attribute keys for the given curve
 */// ww  w .  j  a v  a 2  s .c  o m
static private BigInteger[] constructPrivateAttributeKeys(ECCurve.Fp curve) {
    BigInteger[] private_key;

    private_key = new BigInteger[4];
    switch (curve.getFieldSize()) {
    case 128:
        private_key[0] = new BigInteger("225372274231985790200027551690655815158");
        private_key[1] = new BigInteger("245101174517207170638066748358856317475");
        private_key[2] = new BigInteger("151090931996779535702545347407601272920");
        private_key[3] = new BigInteger("136791876731881043202558472946915414935");
        break;
    case 160:
        private_key[0] = new BigInteger("330901983855736385735122296827923334307263610761");
        private_key[1] = new BigInteger("186811774159849458934010617336619260142261775654");
        private_key[2] = new BigInteger("200301894953491984814918734560179597654129668224");
        private_key[3] = new BigInteger("750491186790593356184026972752047947855576453650");
        break;
    case 192:
        private_key[0] = new BigInteger("3593628016221464844523691788059997682516891660955827077913");
        private_key[1] = new BigInteger("4464361787165100929465907257058278398048745164767155554885");
        private_key[2] = new BigInteger("2968611473043184454125366431770946774998904765828172704480");
        private_key[3] = new BigInteger("2662731123551621877786553098979283273055334939330269203348");
        break;
    default:
        break;
    }

    return private_key;
}

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From source file:terminal.GateClient.java

License:Open Source License

/**
 * Construct a number of private attribute keys for the given curve 
 *///from www.  java2 s.  c o m
static private BigInteger[] constructPrivateAttributeKeys(ECCurve.Fp curve) {
    BigInteger[] private_key;

    if (RANDOMISE) {
        private_key = new BigInteger[ATTRIBUTE_COUNT];
        for (int i = 0; i < ATTRIBUTE_COUNT; i++) {
            byte[] seed = random.generateSeed(curve.getFieldSize());
            private_key[i] = new BigInteger(seed).mod(curve.getQ());
        }
    } else {
        private_key = new BigInteger[4];
        switch (curve.getFieldSize()) {
        case 128:
            private_key[0] = new BigInteger("225372274231985790200027551690655815158");
            private_key[1] = new BigInteger("245101174517207170638066748358856317475");
            private_key[2] = new BigInteger("151090931996779535702545347407601272920");
            private_key[3] = new BigInteger("136791876731881043202558472946915414935");
            break;
        case 160:
            private_key[0] = new BigInteger("330901983855736385735122296827923334307263610761");
            private_key[1] = new BigInteger("186811774159849458934010617336619260142261775654");
            private_key[2] = new BigInteger("200301894953491984814918734560179597654129668224");
            private_key[3] = new BigInteger("750491186790593356184026972752047947855576453650");
            break;
        case 192:
            private_key[0] = new BigInteger("3593628016221464844523691788059997682516891660955827077913");
            private_key[1] = new BigInteger("4464361787165100929465907257058278398048745164767155554885");
            private_key[2] = new BigInteger("2968611473043184454125366431770946774998904765828172704480");
            private_key[3] = new BigInteger("2662731123551621877786553098979283273055334939330269203348");
            break;
        default:
            break;
        }
    }

    return private_key;
}

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