Class: Botan::PK::Encrypt
- Inherits:
-
Object
- Object
- Botan::PK::Encrypt
- Defined in:
- lib/botan/pk/op/encrypt.rb
Overview
Public Key Encrypt Operation
See PublicKey#encrypt for a simpler interface.
Class Method Summary collapse
- .destroy(ptr) ⇒ Object private
Instance Method Summary collapse
-
#encrypt(msg, rng: Botan::RNG.new) ⇒ String
Encrypts the provided data.
-
#initialize(key:, padding: nil) ⇒ Encrypt
constructor
A new instance of Encrypt.
- #inspect ⇒ Object
Constructor Details
#initialize(key:, padding: nil) ⇒ Encrypt
Returns a new instance of Encrypt.
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# File 'lib/botan/pk/op/encrypt.rb', line 22 def initialize(key:, padding: nil) padding ||= Botan::DEFAULT_EME unless key.instance_of?(PublicKey) raise Botan::Error, 'Encryption requires an instance of PublicKey' end ptr = FFI::MemoryPointer.new(:pointer) flags = 0 Botan.call_ffi(:botan_pk_op_encrypt_create, ptr, key.ptr, padding, flags) ptr = ptr.read_pointer if ptr.null? raise Botan::Error, 'botan_pk_op_encrypt_create returned NULL' end @ptr = FFI::AutoPointer.new(ptr, self.class.method(:destroy)) end |
Class Method Details
.destroy(ptr) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/botan/pk/op/encrypt.rb', line 39 def self.destroy(ptr) LibBotan.botan_pk_op_encrypt_destroy(ptr) end |
Instance Method Details
#encrypt(msg, rng: Botan::RNG.new) ⇒ String
Encrypts the provided data.
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# File 'lib/botan/pk/op/encrypt.rb', line 48 def encrypt(msg, rng: Botan::RNG.new) msg_buf = FFI::MemoryPointer.from_data(msg) Botan.call_ffi_with_buffer(lambda { |b, bl| LibBotan.botan_pk_op_encrypt(@ptr, rng.ptr, b, bl, msg_buf, msg_buf.size) }) end |
#inspect ⇒ Object
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# File 'lib/botan/pk/op/encrypt.rb', line 56 def inspect Botan.inspect_ptr(self) end |