Module: Crypto::ShortHash

Extended by:
FFI::Library, Sodium::Utils
Defined in:
lib/crypto/short_hash.rb

Constant Summary collapse

PRIMITIVE = 
primitive.freeze
BYTES = 
bytes.freeze
KEYBYTES = 
keybytes.freeze

Constants included from Sodium::Utils

Sodium::Utils::HEXY, Sodium::Utils::ZERO

Class Method Summary collapse

Methods included from Sodium::Utils

bin2hex, check_length, get_size, hex2bin, zeros

Class Method Details

.shorthash(short_data, key) ⇒ Object 



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# File 'lib/crypto/short_hash.rb', line 24

def shorthash(short_data, key)
  check_length(key, KEYBYTES, :SecretKey)

  siphash = zeros(BYTES)
  key.readonly if key.is_a?(Sodium::SecretBuffer)
  crypto_shorthash(siphash, short_data, get_size(short_data), key)

  siphash
ensure
  key.noaccess if key.is_a?(Sodium::SecretBuffer)
end