模块 OpenSSL::PKCS5

# File ext/openssl/lib/openssl/pkcs5.rb, line 13
def pbkdf2_hmac(pass, salt, iter, keylen, digest)
  OpenSSL::KDF.pbkdf2_hmac(pass, salt: salt, iterations: iter,
                           length: keylen, hash: digest)
end

# File ext/openssl/lib/openssl/pkcs5.rb, line 18
def pbkdf2_hmac_sha1(pass, salt, iter, keylen)
  pbkdf2_hmac(pass, salt, iter, keylen, "sha1")
end