From 43542a261ec0789c7e48551ea5f9eaefa8c4b772 Mon Sep 17 00:00:00 2001
From: vnugent <public@vaughnnugent.com>
Date: Wed, 20 Dec 2023 18:33:32 -0500
Subject: monocypher vendor and wrapper started, and partial public api updates

---
 lib/Utils.Cryptography/monocypher/argon2.h | 135 +++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 lib/Utils.Cryptography/monocypher/argon2.h

(limited to 'lib/Utils.Cryptography/monocypher/argon2.h')

diff --git a/lib/Utils.Cryptography/monocypher/argon2.h b/lib/Utils.Cryptography/monocypher/argon2.h
new file mode 100644
index 0000000..700e582
--- /dev/null
+++ b/lib/Utils.Cryptography/monocypher/argon2.h
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2023 Vaughn Nugent
+*
+* vnlib_monocypher is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published
+* by the Free Software Foundation, either version 2 of the License,
+* or (at your option) any later version.
+*
+* vnlib_monocypher is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with vnlib_monocypher. If not, see http://www.gnu.org/licenses/.
+*/
+
+
+#ifndef VN_MONOCYPHER_ARGON2_H
+#define VN_MONOCYPHER_ARGON2_H
+
+#include <stdint.h>
+#include "util.h"
+
+/*
+    The following types are 1:1 with the Argon2 reference library,
+    this allows for a common api interface between the two libraries for 
+    dynamic linking
+*/
+
+typedef enum Argon2Type
+{
+	Argon2_d = 0,
+	Argon2_i = 1,
+	Argon2_id = 2
+
+} Argon2Type;
+
+/* Error codes */
+typedef enum Argon2_ErrorCodes {
+    ARGON2_OK = 0,
+
+    ARGON2_OUTPUT_PTR_NULL = -1,
+
+    ARGON2_OUTPUT_TOO_SHORT = -2,
+    ARGON2_OUTPUT_TOO_LONG = -3,
+
+    ARGON2_PWD_TOO_SHORT = -4,
+    ARGON2_PWD_TOO_LONG = -5,
+
+    ARGON2_SALT_TOO_SHORT = -6,
+    ARGON2_SALT_TOO_LONG = -7,
+
+    ARGON2_AD_TOO_SHORT = -8,
+    ARGON2_AD_TOO_LONG = -9,
+
+    ARGON2_SECRET_TOO_SHORT = -10,
+    ARGON2_SECRET_TOO_LONG = -11,
+
+    ARGON2_TIME_TOO_SMALL = -12,
+    ARGON2_TIME_TOO_LARGE = -13,
+
+    ARGON2_MEMORY_TOO_LITTLE = -14,
+    ARGON2_MEMORY_TOO_MUCH = -15,
+
+    ARGON2_LANES_TOO_FEW = -16,
+    ARGON2_LANES_TOO_MANY = -17,
+
+    ARGON2_PWD_PTR_MISMATCH = -18,    /* NULL ptr with non-zero length */
+    ARGON2_SALT_PTR_MISMATCH = -19,   /* NULL ptr with non-zero length */
+    ARGON2_SECRET_PTR_MISMATCH = -20, /* NULL ptr with non-zero length */
+    ARGON2_AD_PTR_MISMATCH = -21,     /* NULL ptr with non-zero length */
+
+    ARGON2_MEMORY_ALLOCATION_ERROR = -22,
+
+    ARGON2_FREE_MEMORY_CBK_NULL = -23,
+    ARGON2_ALLOCATE_MEMORY_CBK_NULL = -24,
+
+    ARGON2_INCORRECT_PARAMETER = -25,
+    ARGON2_INCORRECT_TYPE = -26,
+
+    ARGON2_OUT_PTR_MISMATCH = -27,
+
+    ARGON2_THREADS_TOO_FEW = -28,
+    ARGON2_THREADS_TOO_MANY = -29,
+
+    ARGON2_MISSING_ARGS = -30,
+
+    ARGON2_ENCODING_FAIL = -31,
+
+    ARGON2_DECODING_FAIL = -32,
+
+    ARGON2_THREAD_FAIL = -33,
+
+    ARGON2_DECODING_LENGTH_FAIL = -34,
+
+    ARGON2_VERIFY_MISMATCH = -35
+} argon2_error_codes;
+
+typedef struct Argon2_Context {
+    
+    uint8_t* out;    /* output array */
+    const uint32_t outlen; /* digest length */
+
+    const uint8_t* pwd;    /* password array */
+    const uint32_t pwdlen; /* password length */
+
+    const uint8_t* salt;    /* salt array */
+    const uint32_t saltlen; /* salt length */
+
+    const uint8_t* secret;    /* key array */
+    const uint32_t secretlen; /* key length */
+
+    const uint8_t* ad;    /* associated data array */
+    const uint32_t adlen; /* associated data length */
+
+    const uint32_t t_cost;  /* number of passes */
+    const uint32_t m_cost;  /* amount of memory requested (KB) */
+    const uint32_t lanes;   /* number of lanes */
+    const uint32_t threads; /* maximum number of threads */
+
+    const Argon2Type version; /* version number */
+
+    const void* allocate_cbk; /* pointer to memory allocator */
+    const void* free_cbk;   /* pointer to memory deallocator */
+
+    const uint32_t flags; /* array of bool options */
+} argon2Ctx;
+
+
+VNLIB_EXPORT uint32_t VNLIB_CC Argon2CalcWorkAreaSize(const argon2Ctx* context);
+
+VNLIB_EXPORT argon2_error_codes VNLIB_CC Argon2ComputeHash(const argon2Ctx* context, void* workArea);
+
+#endif /* VN_MONOCYPHER_ARGON2_H */
\ No newline at end of file
-- 
cgit