org.whispersystems.curve25519.java.sc_isreduced Maven / Gradle / Ivy

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Curve25519 library for Java

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package org.whispersystems.curve25519.java;

public class sc_isreduced {
    public static boolean sc_isreduced(byte[] s) {
        byte[] strict = new byte[64];

        System.arraycopy(s, 0, strict, 0, 32);
        sc_reduce.sc_reduce(strict);
        return crypto_verify_32.crypto_verify_32(strict, s) == 0;
    }

}