Class: ArkEcosystem::Crypto::Message

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

Overview

The builder to work with signed messages.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message) ⇒ Message

Returns a new instance of Message.



7
8
9
10
11
 
# File 'lib/arkecosystem/crypto/message.rb', line 7

def initialize(message)
  @public_key = message[:publickey]
  @signature = message[:signature]
  @message = message[:message]
end

Class Method Details

.sign(message, passphrase) ⇒ Object 



13
14
15
16
17
18
19
20
21
 
# File 'lib/arkecosystem/crypto/message.rb', line 13

def self.sign(message, passphrase)
  key = ArkEcosystem::Crypto::Identity::PrivateKey.from_secret(passphrase)

  hash = Digest::SHA256.digest(message)

  Message.new(publickey: BTC.to_hex(key.public_key),
              signature: BTC.to_hex(key.ecdsa_signature(hash)),
              message: message)
end

Instance Method Details

#to_json ⇒ Object 



37
38
39
 
# File 'lib/arkecosystem/crypto/message.rb', line 37

def to_json
  to_params.to_json
end

#to_params ⇒ Object 



31
32
33
34
35
 
# File 'lib/arkecosystem/crypto/message.rb', line 31

def to_params
  { publickey: @public_key,
    signature: @signature,
    message: @message }
end

#verify ⇒ Object 



23
24
25
26
27
28
29
 
# File 'lib/arkecosystem/crypto/message.rb', line 23

def verify
  key = BTC::Key.new(public_key: BTC.from_hex(@public_key))

  hash = Digest::SHA256.digest(@message)

  key.verify_ecdsa_signature(BTC.from_hex(@signature), hash)
end