Revert "Remove deprecated things from hashing modules"
This reverts commit c75d9f589bf392177dbeba7704693e53fe55cb19.
This was merged by mistake in development instead of development_3.0.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 9b8d91d..73d9544 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -34,6 +34,8 @@
#include <stddef.h>
#include <stdint.h>
+/* MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED is deprecated and should not be used. */
+#define MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED -0x0037 /**< SHA-256 hardware accelerator failed */
#define MBEDTLS_ERR_SHA256_BAD_INPUT_DATA -0x0074 /**< SHA-256 input data was malformed. */
#ifdef __cplusplus
@@ -150,6 +152,72 @@
int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
const unsigned char data[64] );
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#define MBEDTLS_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDTLS_DEPRECATED
+#endif
+/**
+ * \brief This function starts a SHA-224 or SHA-256 checksum
+ * calculation.
+ *
+ * \deprecated Superseded by mbedtls_sha256_starts_ret() in 2.7.0.
+ *
+ * \param ctx The context to use. This must be initialized.
+ * \param is224 Determines which function to use. This must be
+ * either \c 0 for SHA-256, or \c 1 for SHA-224.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
+ int is224 );
+
+/**
+ * \brief This function feeds an input buffer into an ongoing
+ * SHA-256 checksum calculation.
+ *
+ * \deprecated Superseded by mbedtls_sha256_update_ret() in 2.7.0.
+ *
+ * \param ctx The SHA-256 context to use. 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.
+ */
+MBEDTLS_DEPRECATED void 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.
+ *
+ * \deprecated Superseded by mbedtls_sha256_finish_ret() in 2.7.0.
+ *
+ * \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.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
+ unsigned char output[32] );
+
+/**
+ * \brief This function processes a single data block within
+ * the ongoing SHA-256 computation. This function is for
+ * internal use only.
+ *
+ * \deprecated Superseded by mbedtls_internal_sha256_process() in 2.7.0.
+ *
+ * \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 size \c 64 Bytes.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_process( mbedtls_sha256_context *ctx,
+ const unsigned char data[64] );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
/**
* \brief This function calculates the SHA-224 or SHA-256
* checksum of a buffer.
@@ -173,6 +241,41 @@
unsigned char output[32],
int is224 );
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#define MBEDTLS_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDTLS_DEPRECATED
+#endif
+
+/**
+ * \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).
+ *
+ * \deprecated Superseded by mbedtls_sha256_ret() in 2.7.0.
+ *
+ * \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.
+ * \param is224 Determines which function to use. This must be either
+ * \c 0 for SHA-256, or \c 1 for SHA-224.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[32],
+ int is224 );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
#if defined(MBEDTLS_SELF_TEST)
/**