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27 #ifndef MBEDTLS_SHA256_H
28 #define MBEDTLS_SHA256_H
30 #if !defined(MBEDTLS_CONFIG_FILE)
33 #include MBEDTLS_CONFIG_FILE
40 #define MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED -0x0037
41 #define MBEDTLS_ERR_SHA256_BAD_INPUT_DATA -0x0074
47 #if !defined(MBEDTLS_SHA256_ALT)
69 #include "sha256_alt.h"
124 const unsigned char *input,
140 unsigned char output[32] );
155 const unsigned char data[64] );
157 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
158 #if defined(MBEDTLS_DEPRECATED_WARNING)
159 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
161 #define MBEDTLS_DEPRECATED
189 const unsigned char *input,
204 unsigned char output[32] );
218 const unsigned char data[64] );
220 #undef MBEDTLS_DEPRECATED
243 unsigned char output[32],
246 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
247 #if defined(MBEDTLS_DEPRECATED_WARNING)
248 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
250 #define MBEDTLS_DEPRECATED
275 unsigned char output[32],
278 #undef MBEDTLS_DEPRECATED
281 #if defined(MBEDTLS_SELF_TEST)
void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
This function clears a SHA-256 context.
#define MBEDTLS_DEPRECATED
MBEDTLS_DEPRECATED void mbedtls_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64])
This function processes a single data block within the ongoing SHA-256 computation....
int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64])
This function processes a single data block within the ongoing SHA-256 computation....
struct mbedtls_sha256_context mbedtls_sha256_context
The SHA-256 context structure.
int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing SHA-256 checksum calculation.
MBEDTLS_DEPRECATED void mbedtls_sha256_finish(mbedtls_sha256_context *ctx, unsigned char output[32])
This function finishes the SHA-256 operation, and writes the result to the output buffer.
int mbedtls_sha256_self_test(int verbose)
The SHA-224 and SHA-256 checkup routine.
MBEDTLS_DEPRECATED void mbedtls_sha256_starts(mbedtls_sha256_context *ctx, int is224)
This function starts a SHA-224 or SHA-256 checksum calculation.
void mbedtls_sha256_clone(mbedtls_sha256_context *dst, const mbedtls_sha256_context *src)
This function clones the state of a SHA-256 context.
The SHA-256 context structure.
MBEDTLS_DEPRECATED void mbedtls_sha256_update(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing SHA-256 checksum calculation.
Configuration options (set of defines)
void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
This function initializes a SHA-256 context.
int mbedtls_sha256_ret(const unsigned char *input, size_t ilen, unsigned char output[32], int is224)
This function calculates the SHA-224 or SHA-256 checksum of a buffer.
MBEDTLS_DEPRECATED void mbedtls_sha256(const unsigned char *input, size_t ilen, unsigned char output[32], int is224)
This function calculates the SHA-224 or SHA-256 checksum of a buffer.
int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)
This function starts a SHA-224 or SHA-256 checksum calculation.
int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32])
This function finishes the SHA-256 operation, and writes the result to the output buffer.