Java 类org.bouncycastle.crypto.prng.drbg.DualECPoints 实例源码

public ConfigurableDualECDRBGProvider(DualECPoints[] pointSet, Digest digest, byte[] nonce, byte[] personalizationString, int securityStrength)
{
    this.pointSet = new DualECPoints[pointSet.length];
    System.arraycopy(pointSet, 0, this.pointSet, 0, pointSet.length);
    this.digest = digest;
    this.nonce = nonce;
    this.personalizationString = personalizationString;
    this.securityStrength = securityStrength;
}

public ConfigurableDualECDRBGProvider(DualECPoints[] pointSet, Digest digest, byte[] nonce, byte[] personalizationString, int securityStrength)
{
    this.pointSet = new DualECPoints[pointSet.length];
    System.arraycopy(pointSet, 0, this.pointSet, 0, pointSet.length);
    this.digest = digest;
    this.nonce = nonce;
    this.personalizationString = personalizationString;
    this.securityStrength = securityStrength;
}

public ConfigurableDualECDRBGProvider(DualECPoints[] pointSet, Digest digest, byte[] nonce, byte[] personalizationString, int securityStrength)
{
    this.pointSet = new DualECPoints[pointSet.length];
    System.arraycopy(pointSet, 0, this.pointSet, 0, pointSet.length);
    this.digest = digest;
    this.nonce = nonce;
    this.personalizationString = personalizationString;
    this.securityStrength = securityStrength;
}

public ConfigurableDualECDRBGProvider(DualECPoints[] pointSet, Digest digest, byte[] nonce, byte[] personalizationString, int securityStrength)
{
    this.pointSet = new DualECPoints[pointSet.length];
    System.arraycopy(pointSet, 0, this.pointSet, 0, pointSet.length);
    this.digest = digest;
    this.nonce = nonce;
    this.personalizationString = personalizationString;
    this.securityStrength = securityStrength;
}

/**
 * Build a SecureRandom based on a SP 800-90A Dual EC DRBG according to a defined point set.
 *
 * @param pointSet an array of DualECPoints to use for DRB generation.
 * @param digest digest algorithm to use in the DRBG underneath the SecureRandom.
 * @param nonce  nonce value to use in DRBG construction.
 * @param predictionResistant specify whether the underlying DRBG in the resulting SecureRandom should reseed on each request for bytes.
 * @return a SecureRandom supported by a Dual EC DRBG.
 * @deprecated Don't use this for anything other than research purposes. It appears this construct is simply not safe.
 */
public SP800SecureRandom buildDualEC(DualECPoints[] pointSet, Digest digest, byte[] nonce, boolean predictionResistant)
{
    return new SP800SecureRandom(random, entropySourceProvider.get(entropyBitsRequired), new ConfigurableDualECDRBGProvider(pointSet, digest, nonce, personalizationString, securityStrength), predictionResistant);
}

/**
 * Build a SecureRandom based on a SP 800-90A Dual EC DRBG according to a defined point set.
 *
 * @param pointSet an array of DualECPoints to use for DRB generation.
 * @param digest digest algorithm to use in the DRBG underneath the SecureRandom.
 * @param nonce  nonce value to use in DRBG construction.
 * @param predictionResistant specify whether the underlying DRBG in the resulting SecureRandom should reseed on each request for bytes.
 * @return a SecureRandom supported by a Dual EC DRBG.
 * @deprecated Don't use this for anything other than research purposes. It appears this construct is simply not safe.
 */
public SP800SecureRandom buildDualEC(DualECPoints[] pointSet, Digest digest, byte[] nonce, boolean predictionResistant)
{
    return new SP800SecureRandom(random, entropySourceProvider.get(entropyBitsRequired), new ConfigurableDualECDRBGProvider(pointSet, digest, nonce, personalizationString, securityStrength), predictionResistant);
}

/**
 * Build a SecureRandom based on a SP 800-90A Dual EC DRBG according to a defined point set.
 *
 * @param pointSet an array of DualECPoints to use for DRB generation.
 * @param digest digest algorithm to use in the DRBG underneath the SecureRandom.
 * @param nonce  nonce value to use in DRBG construction.
 * @param predictionResistant specify whether the underlying DRBG in the resulting SecureRandom should reseed on each request for bytes.
 * @return a SecureRandom supported by a Dual EC DRBG.
 */
public SP800SecureRandom buildDualEC(DualECPoints[] pointSet, Digest digest, byte[] nonce, boolean predictionResistant)
{
    return new SP800SecureRandom(random, entropySourceProvider.get(entropyBitsRequired), new ConfigurableDualECDRBGProvider(pointSet, digest, nonce, personalizationString, securityStrength), predictionResistant);
}

/**
 * Build a SecureRandom based on a SP 800-90A Dual EC DRBG according to a defined point set.
 *
 * @param pointSet an array of DualECPoints to use for DRB generation.
 * @param digest digest algorithm to use in the DRBG underneath the SecureRandom.
 * @param nonce  nonce value to use in DRBG construction.
 * @param predictionResistant specify whether the underlying DRBG in the resulting SecureRandom should reseed on each request for bytes.
 * @return a SecureRandom supported by a Dual EC DRBG.
 */
public SP800SecureRandom buildDualEC(DualECPoints[] pointSet, Digest digest, byte[] nonce, boolean predictionResistant)
{
    return new SP800SecureRandom(random, entropySourceProvider.get(entropyBitsRequired), new ConfigurableDualECDRBGProvider(pointSet, digest, nonce, personalizationString, securityStrength), predictionResistant);
}