erikhoward

import java.security.SecureRandom;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.SecretKeyFactory;
import java.math.BigInteger;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;

/*
 * PBKDF2 salted password hashing.
 * Author: havoc AT defuse.ca

erikhoward

package com.company;

import javax.crypto.Cipher;
import javax.crypto.Mac;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.MessageDigest;
import java.security.SecureRandom;

public class Main {

erikhoward

CREATE EXTENSION IF NOT EXISTS pgcrypto;

CREATE OR REPLACE FUNCTION generate_ulid() RETURNS uuid
  AS $$
    SELECT (lpad(to_hex(floor(extract(epoch FROM clock_timestamp()) * 1000)::bigint), 12, '0') || encode(gen_random_bytes(10), 'hex'))::uuid;
  $$ LANGUAGE SQL;

erikhoward

/**
 * Returns a time-ordered UUID (v6).
 * 
 * Tags: uuid guid uuid-generator guid-generator generator time order rfc4122 rfc-4122
 */
create or replace function fn_uuid_time_ordered() returns uuid as $$
declare
	v_time timestamp with time zone:= null;
	v_secs bigint := null;

erikhoward

[Project Name]

Every time you choose to apply a rule(s), explicitly state the rule(s) in the output. You can abbreviate the rule description to a single word or phrase.

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