Class: Argon2::Engine
- Inherits:
-
Object
- Object
- Argon2::Engine
- Defined in:
- lib/argon2/engine.rb,
lib/argon2/ffi_engine.rb
Overview
The engine class shields users from the FFI interface. It is generally not advised to directly use this class.
Class Method Summary collapse
- .argon2_verify(pwd, hash, secret) ⇒ Object
- .hash_argon2i(password, salt, t_cost, m_cost, out_len = nil) ⇒ Object
- .hash_argon2id(password, salt, t_cost, m_cost, out_len = nil) ⇒ Object
- .hash_argon2id_encode(password, salt, t_cost, m_cost, secret) ⇒ Object
- .saltgen ⇒ Object
Class Method Details
.argon2_verify(pwd, hash, secret) ⇒ Object
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# File 'lib/argon2/ffi_engine.rb', line 89 def self.argon2_verify(pwd, hash, secret) secretlen = secret.nil? ? 0 : secret.bytesize passwordlen = pwd.nil? ? 0 : pwd.bytesize ret = Ext.wrap_argon2_verify(hash, pwd, passwordlen, secret, secretlen) return false if ERRORS[ret.abs] == 'ARGON2_DECODING_FAIL' raise ArgonHashFail, ERRORS[ret.abs] unless ret.zero? true end |
.hash_argon2i(password, salt, t_cost, m_cost, out_len = nil) ⇒ Object
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# File 'lib/argon2/ffi_engine.rb', line 44 def self.hash_argon2i(password, salt, t_cost, m_cost, out_len = nil) out_len = (out_len || Constants::OUT_LEN).to_i raise ArgonHashFail, "Invalid output length" if out_len < 1 result = '' FFI::MemoryPointer.new(:char, out_len) do |buffer| ret = Ext.argon2i_hash_raw(t_cost, 1 << m_cost, 1, password, password.length, salt, salt.length, buffer, out_len) raise ArgonHashFail, ERRORS[ret.abs] unless ret.zero? result = buffer.read_string(out_len) end result.unpack('H*').join end |
.hash_argon2id(password, salt, t_cost, m_cost, out_len = nil) ⇒ Object
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# File 'lib/argon2/ffi_engine.rb', line 58 def self.hash_argon2id(password, salt, t_cost, m_cost, out_len = nil) out_len = (out_len || Constants::OUT_LEN).to_i raise ArgonHashFail, "Invalid output length" if out_len < 1 result = '' FFI::MemoryPointer.new(:char, out_len) do |buffer| ret = Ext.argon2id_hash_raw(t_cost, 1 << m_cost, 1, password, password.length, salt, salt.length, buffer, out_len) raise ArgonHashFail, ERRORS[ret.abs] unless ret.zero? result = buffer.read_string(out_len) end result.unpack('H*').join end |
.hash_argon2id_encode(password, salt, t_cost, m_cost, secret) ⇒ Object
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# File 'lib/argon2/ffi_engine.rb', line 72 def self.hash_argon2id_encode(password, salt, t_cost, m_cost, secret) result = '' secretlen = secret.nil? ? 0 : secret.bytesize passwordlen = password.nil? ? 0 : password.bytesize if salt.length != Constants::SALT_LEN raise ArgonHashFail, "Invalid salt size" end FFI::MemoryPointer.new(:char, Constants::ENCODE_LEN) do |buffer| ret = Ext.argon2_wrap(buffer, password, passwordlen, salt, salt.length, t_cost, (1 << m_cost), 1, secret, secretlen) raise ArgonHashFail, ERRORS[ret.abs] unless ret.zero? result = buffer.read_string(Constants::ENCODE_LEN) end result.delete "\0" end |