Class: Ciphers::Aes

Inherits:
Object
  • Object
show all
Defined in:
lib/crypto-toolbox/ciphers/aes.rb

Instance Method Summary collapse

Constructor Details

#initialize(key_size: 128) ⇒ Aes

Returns a new instance of Aes.



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# File 'lib/crypto-toolbox/ciphers/aes.rb', line 4

def initialize(key_size: 128)
  @key_size = key_size
  @block_size_bits  = 128
  @block_size_bytes = 16
end

Instance Method Details

#decipher_cbc(key_str, input_str, iv: nil) ⇒ Object 



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# File 'lib/crypto-toolbox/ciphers/aes.rb', line 23

def decipher_cbc(key_str,input_str,iv: nil)
  unicipher_cbc(:decipher,key_str,input_str,iv)
end

#decipher_ecb(key, input) ⇒ Object

NOTE convert ECB encryption to AES gem or both to openssl



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# File 'lib/crypto-toolbox/ciphers/aes.rb', line 11

def decipher_ecb(key,input)
  decipher_ecb_blockwise(CryptBuffer(key),CryptBuffer(input).chunks_of(@block_size_bytes))
end

#encipher_cbc(key_str, input_str, iv: nil) ⇒ Object 



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# File 'lib/crypto-toolbox/ciphers/aes.rb', line 19

def encipher_cbc(key_str,input_str,iv: nil)
  unicipher_cbc(:encipher,key_str,input_str,iv)
end

#encipher_ecb(key, input) ⇒ Object 



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# File 'lib/crypto-toolbox/ciphers/aes.rb', line 15

def encipher_ecb(key,input)
  encipher_ecb_blockwise(CryptBuffer(key),CryptBuffer(input).chunks_of(@block_size_bytes))
end