Class: CryptoToolchain::BlackBoxes::RSAParityOracle

Inherits:
Object
  • Object
show all
Defined in:
lib/crypto_toolchain/black_boxes/rsa_parity_oracle.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(keypair) ⇒ RSAParityOracle

Returns a new instance of RSAParityOracle.



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# File 'lib/crypto_toolchain/black_boxes/rsa_parity_oracle.rb', line 4

def initialize(keypair)
  @keypair = keypair
end

Instance Attribute Details

#keypair ⇒ Object (readonly)

Returns the value of attribute keypair.



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# File 'lib/crypto_toolchain/black_boxes/rsa_parity_oracle.rb', line 7

def keypair
  @keypair
end

Instance Method Details

#execute(ciphertext) ⇒ Object 



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# File 'lib/crypto_toolchain/black_boxes/rsa_parity_oracle.rb', line 9

def execute(ciphertext)
  keypair.decrypt(ciphertext).to_number & 1
end