Class: CryptoGost3410::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/crypto_gost3410/generator.rb

Overview

DigitalSignature

Author:

  • vblazhnovgit

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(group) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/crypto_gost3410/generator.rb', line 8

def initialize(group)
  @group = group
end

Instance Attribute Details

#group ⇒ Object (readonly)

Returns the value of attribute group.



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# File 'lib/crypto_gost3410/generator.rb', line 6

def group
  @group
end

Instance Method Details

#sign(hash, private_key, rand_val) ⇒ Object 



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# File 'lib/crypto_gost3410/generator.rb', line 12

def sign(hash, private_key, rand_val)
  @hash = hash
  @private_key = private_key
  @rnd = rand_val
  @r = r_func
  s = s_func
  CryptoGost3410::Point.new self, [@r, s]
end

#vko(ukm, private_key, other_public_key) ⇒ Object 



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# File 'lib/crypto_gost3410/generator.rb', line 21

def vko(ukm, private_key, other_public_key)
  n = (group.opts[:h] * private_key * ukm) % group.order
  other_public_key * n
end