cosmopolitan/third_party/mbedtls/sha1.h
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

70 lines
2.6 KiB
C

#ifndef MBEDTLS_SHA1_H_
#define MBEDTLS_SHA1_H_
#include "third_party/mbedtls/config.h"
#include "third_party/mbedtls/platform.h"
COSMOPOLITAN_C_START_
/* MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED is deprecated and should not be used. */
#define MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED -0x0035 /*< SHA-1 hardware accelerator failed */
#define MBEDTLS_ERR_SHA1_BAD_INPUT_DATA -0x0073 /*< SHA-1 input data was malformed. */
/**
* \brief The SHA-1 context structure.
*
* \warning SHA-1 is considered a weak message digest and its use
* constitutes a security risk. We recommend considering
* stronger message digests instead.
*
*/
typedef struct mbedtls_sha1_context
{
uint32_t state[5]; /*!< The intermediate digest state. */
uint32_t total[2]; /*!< The number of Bytes processed. */
uint8_t buffer[64]; /*!< The data block being processed. */
}
mbedtls_sha1_context;
void mbedtls_sha1_clone( mbedtls_sha1_context *, const mbedtls_sha1_context * );
int mbedtls_sha1_starts_ret( mbedtls_sha1_context * );
int mbedtls_sha1_update_ret( mbedtls_sha1_context *, const unsigned char *, size_t );
int mbedtls_sha1_finish_ret( mbedtls_sha1_context *, unsigned char[20] );
int mbedtls_internal_sha1_process( mbedtls_sha1_context *, const unsigned char[64] );
int mbedtls_sha1_ret( const void *, size_t, unsigned char[20] );
int mbedtls_sha1_self_test( int );
/**
* \brief This function initializes a SHA-1 context.
*
* \warning SHA-1 is considered a weak message digest and its use
* constitutes a security risk. We recommend considering
* stronger message digests instead.
*
* \param ctx The SHA-1 context to initialize.
* This must not be \c NULL.
*
*/
static inline void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
{
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
}
/**
* \brief This function clears a SHA-1 context.
*
* \warning SHA-1 is considered a weak message digest and its use
* constitutes a security risk. We recommend considering
* stronger message digests instead.
*
* \param ctx The SHA-1 context to clear. This may be \c NULL,
* in which case this function does nothing. If it is
* not \c NULL, it must point to an initialized
* SHA-1 context.
*/
static inline void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
{
if( !ctx ) return;
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
}
COSMOPOLITAN_C_END_
#endif /* MBEDTLS_SHA1_H_ */