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sha512.h File Reference

The SHA-384 and SHA-512 cryptographic hash function. More...

#include "config.h"
#include <stddef.h>
#include <stdint.h>
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Classes

struct  mbedtls_sha512_context
 The SHA-512 context structure. More...
 

Macros

#define MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED   -0x0039
 
#define MBEDTLS_DEPRECATED
 
#define MBEDTLS_DEPRECATED
 

Functions

void mbedtls_sha512_init (mbedtls_sha512_context *ctx)
 This function initializes a SHA-512 context. More...
 
void mbedtls_sha512_free (mbedtls_sha512_context *ctx)
 This function clears a SHA-512 context. More...
 
void mbedtls_sha512_clone (mbedtls_sha512_context *dst, const mbedtls_sha512_context *src)
 This function clones the state of a SHA-512 context. More...
 
int mbedtls_sha512_starts_ret (mbedtls_sha512_context *ctx, int is384)
 This function starts a SHA-384 or SHA-512 checksum calculation. More...
 
int mbedtls_sha512_update_ret (mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
 This function feeds an input buffer into an ongoing SHA-512 checksum calculation. More...
 
int mbedtls_sha512_finish_ret (mbedtls_sha512_context *ctx, unsigned char output[64])
 This function finishes the SHA-512 operation, and writes the result to the output buffer. This function is for internal use only. More...
 
int mbedtls_internal_sha512_process (mbedtls_sha512_context *ctx, const unsigned char data[128])
 This function processes a single data block within the ongoing SHA-512 computation. More...
 
MBEDTLS_DEPRECATED void mbedtls_sha512_starts (mbedtls_sha512_context *ctx, int is384)
 This function starts a SHA-384 or SHA-512 checksum calculation. More...
 
MBEDTLS_DEPRECATED void mbedtls_sha512_update (mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
 This function feeds an input buffer into an ongoing SHA-512 checksum calculation. More...
 
MBEDTLS_DEPRECATED void mbedtls_sha512_finish (mbedtls_sha512_context *ctx, unsigned char output[64])
 This function finishes the SHA-512 operation, and writes the result to the output buffer. More...
 
MBEDTLS_DEPRECATED void mbedtls_sha512_process (mbedtls_sha512_context *ctx, const unsigned char data[128])
 This function processes a single data block within the ongoing SHA-512 computation. This function is for internal use only. More...
 
int mbedtls_sha512_ret (const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 This function calculates the SHA-512 or SHA-384 checksum of a buffer. More...
 
MBEDTLS_DEPRECATED void mbedtls_sha512 (const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 This function calculates the SHA-512 or SHA-384 checksum of a buffer. More...
 
int mbedtls_sha512_self_test (int verbose)
 The SHA-384 or SHA-512 checkup routine. More...
 

Detailed Description

The SHA-384 and SHA-512 cryptographic hash function.

Definition in file sha512.h.

Macro Definition Documentation

◆ MBEDTLS_DEPRECATED [1/2]

#define MBEDTLS_DEPRECATED

Definition at line 243 of file sha512.h.

◆ MBEDTLS_DEPRECATED [2/2]

#define MBEDTLS_DEPRECATED

Definition at line 243 of file sha512.h.

◆ MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED

#define MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED   -0x0039

SHA-512 hardware accelerator failed

Definition at line 38 of file sha512.h.

Function Documentation

◆ mbedtls_internal_sha512_process()

int mbedtls_internal_sha512_process ( mbedtls_sha512_context ctx,
const unsigned char  data[128] 
)

This function processes a single data block within the ongoing SHA-512 computation.

Parameters
ctxThe SHA-512 context.
dataThe buffer holding one block of data.
Returns
0 on success.

◆ mbedtls_sha512()

MBEDTLS_DEPRECATED void mbedtls_sha512 ( const unsigned char input,
size_t  ilen,
unsigned char  output[64],
int  is384 
)

This function calculates the SHA-512 or SHA-384 checksum of a buffer.

The function allocates the context, performs the calculation, and frees the context.

The SHA-512 result is calculated as output = SHA-512(input buffer).

Deprecated:
Superseded by mbedtls_sha512_ret() in 2.7.0
Parameters
inputThe buffer holding the data.
ilenThe length of the input data.
outputThe SHA-384 or SHA-512 checksum result.
is384Determines which function to use.
  • 0: Use SHA-512.
  • 1: Use SHA-384.

◆ mbedtls_sha512_clone()

void mbedtls_sha512_clone ( mbedtls_sha512_context dst,
const mbedtls_sha512_context src 
)

This function clones the state of a SHA-512 context.

Parameters
dstThe destination context.
srcThe context to clone.

◆ mbedtls_sha512_finish()

MBEDTLS_DEPRECATED void mbedtls_sha512_finish ( mbedtls_sha512_context ctx,
unsigned char  output[64] 
)

This function finishes the SHA-512 operation, and writes the result to the output buffer.

Deprecated:
Superseded by mbedtls_sha512_finish_ret() in 2.7.0
Parameters
ctxThe SHA-512 context.
outputThe SHA-384 or SHA-512 checksum result.

◆ mbedtls_sha512_finish_ret()

int mbedtls_sha512_finish_ret ( mbedtls_sha512_context ctx,
unsigned char  output[64] 
)

This function finishes the SHA-512 operation, and writes the result to the output buffer. This function is for internal use only.

Parameters
ctxThe SHA-512 context.
outputThe SHA-384 or SHA-512 checksum result.
Returns
0 on success.

◆ mbedtls_sha512_free()

void mbedtls_sha512_free ( mbedtls_sha512_context ctx)

This function clears a SHA-512 context.

Parameters
ctxThe SHA-512 context to clear.

◆ mbedtls_sha512_init()

void mbedtls_sha512_init ( mbedtls_sha512_context ctx)

This function initializes a SHA-512 context.

Parameters
ctxThe SHA-512 context to initialize.

◆ mbedtls_sha512_process()

MBEDTLS_DEPRECATED void mbedtls_sha512_process ( mbedtls_sha512_context ctx,
const unsigned char  data[128] 
)

This function processes a single data block within the ongoing SHA-512 computation. This function is for internal use only.

Deprecated:
Superseded by mbedtls_internal_sha512_process() in 2.7.0
Parameters
ctxThe SHA-512 context.
dataThe buffer holding one block of data.

◆ mbedtls_sha512_ret()

int mbedtls_sha512_ret ( const unsigned char input,
size_t  ilen,
unsigned char  output[64],
int  is384 
)

This function calculates the SHA-512 or SHA-384 checksum of a buffer.

The function allocates the context, performs the calculation, and frees the context.

The SHA-512 result is calculated as output = SHA-512(input buffer).

Parameters
inputThe buffer holding the input data.
ilenThe length of the input data.
outputThe SHA-384 or SHA-512 checksum result.
is384Determines which function to use.
  • 0: Use SHA-512.
  • 1: Use SHA-384.
Returns
0 on success.

◆ mbedtls_sha512_self_test()

int mbedtls_sha512_self_test ( int  verbose)

The SHA-384 or SHA-512 checkup routine.

Returns
0 on success, or 1 on failure.

◆ mbedtls_sha512_starts()

MBEDTLS_DEPRECATED void mbedtls_sha512_starts ( mbedtls_sha512_context ctx,
int  is384 
)

This function starts a SHA-384 or SHA-512 checksum calculation.

Deprecated:
Superseded by mbedtls_sha512_starts_ret() in 2.7.0
Parameters
ctxThe SHA-512 context to initialize.
is384Determines which function to use.
  • 0: Use SHA-512.
  • 1: Use SHA-384.

◆ mbedtls_sha512_starts_ret()

int mbedtls_sha512_starts_ret ( mbedtls_sha512_context ctx,
int  is384 
)

This function starts a SHA-384 or SHA-512 checksum calculation.

Parameters
ctxThe SHA-512 context to initialize.
is384Determines which function to use.
  • 0: Use SHA-512.
  • 1: Use SHA-384.
Returns
0 on success.

◆ mbedtls_sha512_update()

MBEDTLS_DEPRECATED void mbedtls_sha512_update ( mbedtls_sha512_context ctx,
const unsigned char input,
size_t  ilen 
)

This function feeds an input buffer into an ongoing SHA-512 checksum calculation.

Deprecated:
Superseded by mbedtls_sha512_update_ret() in 2.7.0
Parameters
ctxThe SHA-512 context.
inputThe buffer holding the data.
ilenThe length of the input data.

◆ mbedtls_sha512_update_ret()

int mbedtls_sha512_update_ret ( mbedtls_sha512_context ctx,
const unsigned char input,
size_t  ilen 
)

This function feeds an input buffer into an ongoing SHA-512 checksum calculation.

Parameters
ctxThe SHA-512 context.
inputThe buffer holding the input data.
ilenThe length of the input data.
Returns
0 on success.