Class: IOSTSdk::Crypto::KeyPair

Inherits:
Object
  • Object
show all
Defined in:
lib/iost_sdk/crypto.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(algo:, public_key:, private_key:) ⇒ Object

Create an instance of KeyPair

Parameters:

  • algo (String) —

    the algorithm used to generate the key pair

  • public_key (Ed25519::VerifyKey|OpenSSL::PKey::EC::Point) —

    an instance of the public key

  • private_key (Ed25519::SigningKey|OpenSSL::BN) —

    an instance of the private key



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# File 'lib/iost_sdk/crypto.rb', line 88

def initialize(algo:, public_key:, private_key:)
  @algo = algo
  @public_key = public_key
  @private_key = private_key
end

Instance Attribute Details

#algo ⇒ Object (readonly)

Returns the value of attribute algo.



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# File 'lib/iost_sdk/crypto.rb', line 80

def algo
  @algo
end

Instance Method Details

#id ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 125

def id
  public_key
end

#private_key ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 112

def private_key
  Base58.binary_to_base58(private_key_raw, :bitcoin)
end

#private_key_raw ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 116

def private_key_raw
  if @algo == IOSTSdk::Crypto.key_algos[:Secp256k1]
    # @private_key is in bytes already
    @private_key
  elsif @algo == IOSTSdk::Crypto.key_algos[:Ed25519]
    @private_key.to_bytes
  end
end

#public_key ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 99

def public_key
  Base58.binary_to_base58(public_key_raw, :bitcoin)
end

#public_key_raw ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 103

def public_key_raw
  if @algo == IOSTSdk::Crypto.key_algos[:Secp256k1]
    # @public_key is in bytes already
    @public_key
  elsif @algo == IOSTSdk::Crypto.key_algos[:Ed25519]
    @public_key.to_bytes
  end
end

#sign(message:) ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 129

def sign(message:)
  if @algo == IOSTSdk::Crypto.key_algos[:Secp256k1]
    p_key = BTC::Key.new(private_key: @private_key)
    der_signature = p_key.ecdsa_signature(message)
    decoded_der = OpenSSL::ASN1.decode(der_signature)
    decoded_der.value
               .map { |v| v.value.to_s(2) }
               .flatten
               .join
  elsif @algo == IOSTSdk::Crypto.key_algos[:Ed25519]
    @private_key.sign(message)
  end
end

#value ⇒ Object 



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# File 'lib/iost_sdk/crypto.rb', line 94

def value
  Base58.binary_to_base58(@private_key.keypair, :bitcoin) if
    @algo == IOSTSdk::Crypto.key_algos[:Ed25519]
end