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SourceVuSTM32 Libraries and SamplesmbedTLSmbedtls_sha512_ret()

mbedtls_sha512_ret() function

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).

Syntax

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Summary

Declaration

Definition

from sha512.h:245

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

Implemented in sha512.c:444

Arguments

Argument

Description

input

The buffer holding the input data. This must be a readable buffer of length \p ilen Bytes.

ilen

The length of the input data in Bytes.

output

The SHA-384 or SHA-512 checksum result. This must be a writable buffer of length \c 64 Bytes.

is384

Determines which function to use. This must be either \c 0 for SHA-512, or \c 1 for SHA-384.

Return value

\c 0 on success. A negative error code on failure.

References

Code

Location

Referrer

int mbedtls_sha512_ret( const unsigned char *input,

sha512.c:444

int mbedtls_sha512_ret( const unsigned char *input,

sha512.h:245

if( ( ret = mbedtls_sha512_ret( data, len, tmp, 0 ) ) != 0 )

entropy.c:192

entropy_update()

if( ( ret = mbedtls_sha512_ret( buf, MBEDTLS_ENTROPY_BLOCK_SIZE,

entropy.c:398

mbedtls_entropy_func()

return( mbedtls_sha512_ret( input, ilen, output, 1 ) );

md_wrap.c:512

sha384_wrap()

return( mbedtls_sha512_ret( input, ilen, output, 0 ) );

md_wrap.c:566

sha512_wrap()

mbedtls_sha512_ret( input, ilen, output, is384 );

sha512.c:479

mbedtls_sha512()

Call Tree

mbedtls_sha512_ret() is called by 5 functions and calls 5 functions:

mbedtls_sha512()

entropy_update()

mbedtls_entropy_func()

sha384_wrap()

sha512_wrap()

mbedtls_sha512_ret()

mbedtls_sha512_init()

mbedtls_sha512_free()

mbedtls_sha512_starts_ret()

mbedtls_sha512_update_ret()

mbedtls_sha512_finish_ret()

Data Use

mbedtls_sha512_ret():

mbedtls_sha512_ret()

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mbedtls_sha512_ret() function

Syntax

Arguments

Return value

Examples

References

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Class Tree

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