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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_sha1()

mbedtls_sha1() function

This function calculates the SHA-1 checksum of a buffer. The function allocates the context, performs the calculation, and frees the context. The SHA-1 result is calculated as output = SHA-1(input buffer). \warning SHA-1 is considered a weak message digest and its use constitutes a security risk. We recommend considering stronger message digests instead.

Syntax

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Summary

Declaration

Definition

from sha1.h:194

int mbedtls_sha1(const unsigned char *input, size_t ilen, unsigned char output[20]);

Implemented in sha1.c:354

Arguments

Argument

Declared as

Description

input

const unsigned char *

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

ilen

size_t

The length of the input data \p input in Bytes.

output

unsigned char[20]

The SHA-1 checksum result. This must be a writable buffer of length \c 20 Bytes.

Return value

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

Examples

mbedtls_sha1() is referenced by 1 libraries and example projects:

References

from 0/1 examples

Code

Location

Referrer

int mbedtls_sha1(const unsigned char *input,

int mbedtls_sha1(const unsigned char *input,

return mbedtls_sha1(input, ilen, output);

Call Tree

from 0/1 examples

mbedtls_sha1() is called by 1 function and calls 5 functions:

mbedtls_sha1()

mbedtls_sha1_init()

mbedtls_sha1_free()

mbedtls_sha1_starts()

mbedtls_sha1_update()

mbedtls_sha1_finish()

Data Use

from 0/1 examples

mbedtls_sha1():

mbedtls_sha1()

Class Tree

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Override Tree

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Implementations

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Instances

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Lifecycle

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