Class: Reth::Keystore::PBKDF2

Inherits:
Object
  • Object
show all
Defined in:
lib/reth/keystore.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = nil) ⇒ PBKDF2

Returns a new instance of PBKDF2.



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# File 'lib/reth/keystore.rb', line 12

def initialize(params=nil)
  @name = 'pbkdf2'
  @params = params || mkparams
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/reth/keystore.rb', line 10

def name
  @name
end

Instance Method Details

#eval(pw) ⇒ Object 



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# File 'lib/reth/keystore.rb', line 17

def eval(pw)
  OpenSSL::PKCS5.pbkdf2_hmac(
    pw,
    Utils.decode_hex(params[:salt]),
    params[:c],
    params[:dklen],
    'SHA256'
  )
end

#mkparams ⇒ Object 



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# File 'lib/reth/keystore.rb', line 27

def mkparams
  { prf: 'hmac-sha256',
    dklen: 32,
    c: 262144,
    salt: Utils.encode_hex(SecureRandom.random_bytes(16)) }
end