class Botan::PK::Encrypt
Public Key Encrypt
Operation
See {Botan::PK::PublicKey#encrypt} for a simpler interface.
Public Class Methods
destroy(ptr)
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@api private
# File lib/botan/pk/op/encrypt.rb, line 39 def self.destroy(ptr) LibBotan.botan_pk_op_encrypt_destroy(ptr) end
new(key:, padding: nil)
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@param key [Botan::PK::PublicKey] the public key @param padding [String] the padding method name
# 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
Public Instance Methods
encrypt(msg, rng: Botan::RNG.new)
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Encrypts the provided data.
@param msg [String] the data @param rng [Botan::PK::RNG] the RNG
to use @return [String] the encrypted data
# 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()
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# File lib/botan/pk/op/encrypt.rb, line 56 def inspect Botan.inspect_ptr(self) end