class Themis::Smessage

Public Class Methods

new(private_key, peer_public_key) click to toggle source
# File lib/rubythemis.rb, line 214
def initialize(private_key, peer_public_key)
    @private_key, @private_key_length = string_to_pointer_size(private_key)
    @peer_public_key, @peer_public_key_length = string_to_pointer_size(peer_public_key)
end

Public Instance Methods

unwrap(message) click to toggle source
# File lib/rubythemis.rb, line 230
def unwrap(message)
    message_, message_length_=string_to_pointer_size(message)
    unwrapped_message_length = FFI::MemoryPointer.new(:uint)
    res=themis_secure_message_unwrap(@private_key, @private_key_length, @peer_public_key, @peer_public_key_length, message_, message_length_, nil, unwrapped_message_length)
    raise ThemisError, "Secure Message failed decrypting: #{res}" unless res == BUFFER_TOO_SMALL
    unwrapped_message = FFI::MemoryPointer.new(:char, unwrapped_message_length.read_uint)
    res=themis_secure_message_unwrap(@private_key, @private_key_length, @peer_public_key, @peer_public_key_length, message_, message_length_, unwrapped_message, unwrapped_message_length)
    raise ThemisError, "Secure Message failed decrypting: #{res}" unless res == SUCCESS
    return unwrapped_message.get_bytes(0, unwrapped_message_length.read_uint);
end
wrap(message) click to toggle source
# File lib/rubythemis.rb, line 219
def wrap(message)
    message_, message_length_=string_to_pointer_size(message)
    wrapped_message_length = FFI::MemoryPointer.new(:uint)
    res=themis_secure_message_wrap(@private_key, @private_key_length, @peer_public_key, @peer_public_key_length, message_, message_length_, nil, wrapped_message_length)
    raise ThemisError, "Secure Message failed encrypting: #{res}" unless res == BUFFER_TOO_SMALL
    wrapped_message = FFI::MemoryPointer.new(:char, wrapped_message_length.read_uint)
    res=themis_secure_message_wrap(@private_key, @private_key_length, @peer_public_key, @peer_public_key_length, message_, message_length_, wrapped_message, wrapped_message_length)
    raise ThemisError, "Secure Message failed encrypting: #{res}" unless res == SUCCESS
    return wrapped_message.get_bytes(0, wrapped_message_length.read_uint);
end