refactor!: MbedTLS on Windows, switch to uint32

1 files changed, 198 insertions, 0 deletions

diff --git a/vendor/mbedtls/sha256.h b/vendor/mbedtls/sha256.h
new file mode 100644
index 0000000..4ee780f
--- /dev/null
+++ b/vendor/mbedtls/sha256.h
@@ -0,0 +1,198 @@
+/**
+ * \file sha256.h
+ *
+ * \brief This file contains SHA-224 and SHA-256 definitions and functions.
+ *
+ * The Secure Hash Algorithms 224 and 256 (SHA-224 and SHA-256) cryptographic
+ * hash functions are defined in <em>FIPS 180-4: Secure Hash Standard (SHS)</em>.
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+#ifndef MBEDTLS_SHA256_H
+#define MBEDTLS_SHA256_H
+#include "mbedtls/private_access.h"
+
+#include "mbedtls/build_info.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+/** SHA-256 input data was malformed. */
+#define MBEDTLS_ERR_SHA256_BAD_INPUT_DATA                 -0x0074
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(MBEDTLS_SHA256_ALT)
+// Regular implementation
+//
+
+/**
+ * \brief          The SHA-256 context structure.
+ *
+ *                 The structure is used both for SHA-256 and for SHA-224
+ *                 checksum calculations. The choice between these two is
+ *                 made in the call to mbedtls_sha256_starts().
+ */
+typedef struct mbedtls_sha256_context {
+    unsigned char MBEDTLS_PRIVATE(buffer)[64];   /*!< The data block being processed. */
+    uint32_t MBEDTLS_PRIVATE(total)[2];          /*!< The number of Bytes processed.  */
+    uint32_t MBEDTLS_PRIVATE(state)[8];          /*!< The intermediate digest state.  */
+    int MBEDTLS_PRIVATE(is224);                  /*!< Determines which function to use:
+                                                    0: Use SHA-256, or 1: Use SHA-224. */
+}
+mbedtls_sha256_context;
+
+#else  /* MBEDTLS_SHA256_ALT */
+#include "sha256_alt.h"
+#endif /* MBEDTLS_SHA256_ALT */
+
+/**
+ * \brief          This function initializes a SHA-256 context.
+ *
+ * \param ctx      The SHA-256 context to initialize. This must not be \c NULL.
+ */
+void mbedtls_sha256_init(mbedtls_sha256_context *ctx);
+
+/**
+ * \brief          This function clears a SHA-256 context.
+ *
+ * \param ctx      The SHA-256 context to clear. This may be \c NULL, in which
+ *                 case this function returns immediately. If it is not \c NULL,
+ *                 it must point to an initialized SHA-256 context.
+ */
+void mbedtls_sha256_free(mbedtls_sha256_context *ctx);
+
+/**
+ * \brief          This function clones the state of a SHA-256 context.
+ *
+ * \param dst      The destination context. This must be initialized.
+ * \param src      The context to clone. This must be initialized.
+ */
+void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
+                          const mbedtls_sha256_context *src);
+
+/**
+ * \brief          This function starts a SHA-224 or SHA-256 checksum
+ *                 calculation.
+ *
+ * \param ctx      The context to use. This must be initialized.
+ * \param is224    This determines which function to use. This must be
+ *                 either \c 0 for SHA-256, or \c 1 for SHA-224.
+ *
+ * \note           is224 must be defined accordingly to the enabled
+ *                 MBEDTLS_SHA224_C/MBEDTLS_SHA256_C symbols otherwise the
+ *                 function will return #MBEDTLS_ERR_SHA512_BAD_INPUT_DATA.
+ *
+ * \return         \c 0 on success.
+ * \return         A negative error code on failure.
+ */
+int mbedtls_sha256_starts(mbedtls_sha256_context *ctx, int is224);
+
+/**
+ * \brief          This function feeds an input buffer into an ongoing
+ *                 SHA-256 checksum calculation.
+ *
+ * \param ctx      The SHA-256 context. This must be initialized
+ *                 and have a hash operation started.
+ * \param input    The buffer holding the data. This must be a readable
+ *                 buffer of length \p ilen Bytes.
+ * \param ilen     The length of the input data in Bytes.
+ *
+ * \return         \c 0 on success.
+ * \return         A negative error code on failure.
+ */
+int mbedtls_sha256_update(mbedtls_sha256_context *ctx,
+                          const unsigned char *input,
+                          size_t ilen);
+
+/**
+ * \brief          This function finishes the SHA-256 operation, and writes
+ *                 the result to the output buffer.
+ *
+ * \param ctx      The SHA-256 context. This must be initialized
+ *                 and have a hash operation started.
+ * \param output   The SHA-224 or SHA-256 checksum result.
+ *                 This must be a writable buffer of length \c 32 bytes
+ *                 for SHA-256, \c 28 bytes for SHA-224.
+ *
+ * \return         \c 0 on success.
+ * \return         A negative error code on failure.
+ */
+int mbedtls_sha256_finish(mbedtls_sha256_context *ctx,
+                          unsigned char *output);
+
+/**
+ * \brief          This function processes a single data block within
+ *                 the ongoing SHA-256 computation. This function is for
+ *                 internal use only.
+ *
+ * \param ctx      The SHA-256 context. This must be initialized.
+ * \param data     The buffer holding one block of data. This must
+ *                 be a readable buffer of length \c 64 Bytes.
+ *
+ * \return         \c 0 on success.
+ * \return         A negative error code on failure.
+ */
+int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx,
+                                    const unsigned char data[64]);
+
+/**
+ * \brief          This function calculates the SHA-224 or SHA-256
+ *                 checksum of a buffer.
+ *
+ *                 The function allocates the context, performs the
+ *                 calculation, and frees the context.
+ *
+ *                 The SHA-256 result is calculated as
+ *                 output = SHA-256(input buffer).
+ *
+ * \param input    The buffer holding the data. This must be a readable
+ *                 buffer of length \p ilen Bytes.
+ * \param ilen     The length of the input data in Bytes.
+ * \param output   The SHA-224 or SHA-256 checksum result.
+ *                 This must be a writable buffer of length \c 32 bytes
+ *                 for SHA-256, \c 28 bytes for SHA-224.
+ * \param is224    Determines which function to use. This must be
+ *                 either \c 0 for SHA-256, or \c 1 for SHA-224.
+ *
+ * \return         \c 0 on success.
+ * \return         A negative error code on failure.
+ */
+int mbedtls_sha256(const unsigned char *input,
+                   size_t ilen,
+                   unsigned char *output,
+                   int is224);
+
+#if defined(MBEDTLS_SELF_TEST)
+
+#if defined(MBEDTLS_SHA224_C)
+/**
+ * \brief          The SHA-224 checkup routine.
+ *
+ * \return         \c 0 on success.
+ * \return         \c 1 on failure.
+ */
+int mbedtls_sha224_self_test(int verbose);
+#endif /* MBEDTLS_SHA224_C */
+
+#if defined(MBEDTLS_SHA256_C)
+/**
+ * \brief          The SHA-256 checkup routine.
+ *
+ * \return         \c 0 on success.
+ * \return         \c 1 on failure.
+ */
+int mbedtls_sha256_self_test(int verbose);
+#endif /* MBEDTLS_SHA256_C */
+
+#endif /* MBEDTLS_SELF_TEST */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* mbedtls_sha256.h */