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Fix headers Fix docs formatting Changes for PR Fix tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| <?xml version="1.0" encoding="UTF-8" ?> | ||
| <class name="HMACContext" inherits="Reference" version="3.4"> | ||
| <brief_description> | ||
| Used to create an HMAC for a message using a key. | ||
| </brief_description> | ||
| <description> | ||
| The HMACContext class is useful for advanced HMAC use cases, such as streaming the message as it supports creating the message over time rather than providing it all at once. | ||
| [codeblock] | ||
| extends Node | ||
| var ctx = HMACContext.new() | ||
|
|
||
| func _ready(): | ||
| var key = "supersecret".to_utf8() | ||
| var err = ctx.start(HashingContext.HASH_SHA256, key) | ||
| assert(err == OK) | ||
| var msg1 = "this is ".to_utf8() | ||
| var msg2 = "vewy vewy secret".to_utf8() | ||
| err = ctx.update(msg1) | ||
| assert(err == OK) | ||
| err = ctx.update(msg2) | ||
| assert(err == OK) | ||
| var hmac = ctx.finish() | ||
| print(hmac.hex_encode()) | ||
| [/codeblock] | ||
| And in C# we can use the following. | ||
| [codeblock] | ||
| using Godot; | ||
| using System; | ||
| using System.Diagnostics; | ||
|
|
||
| public class CryptoNode : Node | ||
| { | ||
| private HMACContext ctx = new HMACContext(); | ||
| public override void _Ready() | ||
| { | ||
| PoolByteArray key = String("supersecret").to_utf8(); | ||
| Error err = ctx.Start(HashingContext.HASH_SHA256, key); | ||
| GD.Assert(err == OK); | ||
| PoolByteArray msg1 = String("this is ").to_utf8(); | ||
| PoolByteArray msg2 = String("vewy vew secret").to_utf8(); | ||
| err = ctx.Update(msg1); | ||
| GD.Assert(err == OK); | ||
| err = ctx.Update(msg2); | ||
| GD.Assert(err == OK); | ||
| PoolByteArray hmac = ctx.Finish(); | ||
| GD.Print(hmac.HexEncode()); | ||
| } | ||
| } | ||
| [/codeblock] | ||
| [b]Note:[/b] Not available in HTML5 exports. | ||
| </description> | ||
| <tutorials> | ||
| </tutorials> | ||
| <methods> | ||
| <method name="finish"> | ||
| <return type="PoolByteArray"> | ||
| </return> | ||
| <description> | ||
| Returns the resulting HMAC. If the HMAC failed, an empty [PoolByteArray] is returned. | ||
| </description> | ||
| </method> | ||
| <method name="start"> | ||
| <return type="int" enum="Error"> | ||
| </return> | ||
| <argument index="0" name="hash_type" type="int" enum="HashingContext.HashType"> | ||
| </argument> | ||
| <argument index="1" name="key" type="PoolByteArray"> | ||
| </argument> | ||
| <description> | ||
| Initializes the HMACContext. This method cannot be called again on the same HMACContext until [method finish] has been called. | ||
| </description> | ||
| </method> | ||
| <method name="update"> | ||
| <return type="int" enum="Error"> | ||
| </return> | ||
| <argument index="0" name="data" type="PoolByteArray"> | ||
| </argument> | ||
| <description> | ||
| Updates the message to be HMACed. This can be called multiple times before [method finish] is called to append [code]data[/code] to the message, but cannot be called until [method start] has been called. | ||
| </description> | ||
| </method> | ||
| </methods> | ||
| <constants> | ||
| </constants> | ||
| </class> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /*************************************************************************/ | ||
| /* test_crypto.cpp */ | ||
| /*************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /*************************************************************************/ | ||
| /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ | ||
| /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ | ||
| /* */ | ||
| /* Permission is hereby granted, free of charge, to any person obtaining */ | ||
| /* a copy of this software and associated documentation files (the */ | ||
| /* "Software"), to deal in the Software without restriction, including */ | ||
| /* without limitation the rights to use, copy, modify, merge, publish, */ | ||
| /* distribute, sublicense, and/or sell copies of the Software, and to */ | ||
| /* permit persons to whom the Software is furnished to do so, subject to */ | ||
| /* the following conditions: */ | ||
| /* */ | ||
| /* The above copyright notice and this permission notice shall be */ | ||
| /* included in all copies or substantial portions of the Software. */ | ||
| /* */ | ||
| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ | ||
| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ | ||
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ | ||
| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ | ||
| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ | ||
| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ | ||
| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
| /*************************************************************************/ | ||
|
|
||
| #include "core/crypto/crypto.h" | ||
| #include "core/os/os.h" | ||
|
|
||
| namespace TestCrypto { | ||
|
|
||
| class _MockCrypto : public Crypto { | ||
| virtual PoolByteArray generate_random_bytes(int p_bytes) { return PoolByteArray(); } | ||
| virtual Ref<CryptoKey> generate_rsa(int p_bytes) { return nullptr; } | ||
| virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) { return nullptr; } | ||
|
|
||
| virtual Vector<uint8_t> sign(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Ref<CryptoKey> p_key) { return Vector<uint8_t>(); } | ||
| virtual bool verify(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Vector<uint8_t> p_signature, Ref<CryptoKey> p_key) { return false; } | ||
| virtual Vector<uint8_t> encrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_plaintext) { return Vector<uint8_t>(); } | ||
| virtual Vector<uint8_t> decrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_ciphertext) { return Vector<uint8_t>(); } | ||
| virtual PoolByteArray hmac_digest(HashingContext::HashType p_hash_type, PoolByteArray p_key, PoolByteArray p_msg) { return PoolByteArray(); } | ||
| }; | ||
|
|
||
| PoolByteArray raw_to_pba(const uint8_t *arr, size_t len) { | ||
| PoolByteArray pba; | ||
| pba.resize(len); | ||
| for (size_t i = 0; i < len; i++) { | ||
| pba.set(i, arr[i]); | ||
| } | ||
| return pba; | ||
| } | ||
|
|
||
| bool test_PoolByteArray_constant_time_compare() { | ||
| const uint8_t hm1[] = { 144, 140, 176, 38, 88, 113, 101, 45, 71, 105, 10, 91, 248, 16, 117, 244, 189, 30, 238, 29, 219, 134, 82, 130, 212, 114, 161, 166, 188, 169, 200, 106 }; | ||
| const uint8_t hm2[] = { 80, 30, 144, 228, 108, 38, 188, 125, 150, 64, 165, 127, 221, 118, 144, 232, 45, 100, 15, 248, 193, 244, 245, 34, 116, 147, 132, 200, 110, 27, 38, 75 }; | ||
| PoolByteArray p1 = raw_to_pba(hm1, sizeof(hm1) / sizeof(hm1[0])); | ||
| PoolByteArray p2 = raw_to_pba(hm2, sizeof(hm2) / sizeof(hm2[0])); | ||
| _MockCrypto crypto; | ||
| bool equal = crypto.constant_time_compare(p1, p1); | ||
| bool ok = true; | ||
| ok = ok && equal; | ||
| equal = crypto.constant_time_compare(p1, p2); | ||
| ok = ok && !equal; | ||
| return ok; | ||
| } | ||
|
|
||
| typedef bool (*TestFunc)(); | ||
|
|
||
| TestFunc test_funcs[] = { | ||
| test_PoolByteArray_constant_time_compare, | ||
| nullptr | ||
| }; | ||
|
|
||
| MainLoop *test() { | ||
| int count = 0; | ||
| int passed = 0; | ||
|
|
||
| while (true) { | ||
| if (!test_funcs[count]) { | ||
| break; | ||
| } | ||
| bool pass = test_funcs[count](); | ||
| if (pass) { | ||
| passed++; | ||
| } | ||
| OS::get_singleton()->print("\t%s\n", pass ? "PASS" : "FAILED"); | ||
|
|
||
| count++; | ||
| } | ||
| OS::get_singleton()->print("\n"); | ||
| OS::get_singleton()->print("Passed %i of %i tests\n", passed, count); | ||
| return nullptr; | ||
| } | ||
|
|
||
| } // namespace TestCrypto |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /*************************************************************************/ | ||
| /* test_crypto.h */ | ||
| /*************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /*************************************************************************/ | ||
| /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ | ||
| /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ | ||
| /* */ | ||
| /* Permission is hereby granted, free of charge, to any person obtaining */ | ||
| /* a copy of this software and associated documentation files (the */ | ||
| /* "Software"), to deal in the Software without restriction, including */ | ||
| /* without limitation the rights to use, copy, modify, merge, publish, */ | ||
| /* distribute, sublicense, and/or sell copies of the Software, and to */ | ||
| /* permit persons to whom the Software is furnished to do so, subject to */ | ||
| /* the following conditions: */ | ||
| /* */ | ||
| /* The above copyright notice and this permission notice shall be */ | ||
| /* included in all copies or substantial portions of the Software. */ | ||
| /* */ | ||
| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ | ||
| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ | ||
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ | ||
| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ | ||
| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ | ||
| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ | ||
| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
| /*************************************************************************/ | ||
|
|
||
| #ifndef TEST_CRYPTO_H | ||
| #define TEST_CRYPTO_H | ||
|
|
||
| #include "core/os/main_loop.h" | ||
|
|
||
| namespace TestCrypto { | ||
|
|
||
| MainLoop *test(); | ||
| } | ||
|
|
||
| #endif |
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