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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_asn1_write_bool()

mbedtls_asn1_write_bool() function

Write a boolean tag (#MBEDTLS_ASN1_BOOLEAN) and value in ASN.1 format.

Syntax

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Summary

Declaration

Definition

from asn1write.h:192

int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start, int boolean);

Implemented in asn1write.c:186

Arguments

Argument

Declared as

Description

unsigned char **

The reference to the current position pointer.

start

const unsigned char *

The start of the buffer, for bounds-checking.

boolean

int

The boolean value to write, either \c 0 or \c 1.

Return value

The number of bytes written to \p p on success. A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.

Notes

This function works backwards in data buffer.

References

Code

Location

Referrer

int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start, int boolean)

asn1write.c:186

int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start,

asn1write.h:192

MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_bool(p, start, 1));

x509_create.c:523

x509_write_extension()

MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_bool(&c, buf, 1));

x509write_crt.c:184

mbedtls_x509write_crt_set_basic_constraints()

Call Tree

mbedtls_asn1_write_bool() is called by 2 functions and calls 1 function:

x509_write_extension()

mbedtls_x509write_crt_set_basic_constraints()

mbedtls_asn1_write_bool()

mbedtls_asn1_write_len_and_tag()

Data Use

mbedtls_asn1_write_bool():

mbedtls_asn1_write_bool()

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