class BCryptPbkdf::Engine

Public Class Methods

__bc_crypt_hash(p1, p2) click to toggle source

static VALUE bc_crypt_hash(VALUE self, VALUE pass, VALUE salt) {
  u_int8_t hash[BCRYPT_HASHSIZE];
  if (RSTRING_LEN(pass) != 64U)
    return Qnil;
  if (RSTRING_LEN(salt) != 64U)
    return Qnil;
  bcrypt_hash((const u_int8_t*)StringValuePtr(pass), (const u_int8_t*)StringValuePtr(salt), hash);
  return rb_str_new((const char*)hash, sizeof(hash));
}

__bc_crypt_pbkdf(p1, p2, p3, p4) click to toggle source

Given a secret and a salt a key and the number of rounds and returns the encrypted secret

static VALUE bc_crypt_pbkdf(VALUE self, VALUE pass, VALUE salt, VALUE keylen, VALUE rounds) {
  size_t okeylen = NUM2ULONG(keylen);
  u_int8_t* okey = xmalloc(okeylen);
  VALUE out;

  int ret = bcrypt_pbkdf(
    StringValuePtr(pass), RSTRING_LEN(pass),
    (const u_int8_t*)StringValuePtr(salt), RSTRING_LEN(salt),
    okey, okeylen,
    NUM2ULONG(rounds));
  if (ret < 0)
    return Qnil;
  out = rb_str_new((const char*)okey, okeylen);
  xfree(okey);
  return out;
}