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SourceVuSTM32 Libraries and SamplesmbedTLSmbedtls_asn1_get_len()

mbedtls_asn1_get_len() function

Get the length of an ASN.1 element. Updates the pointer to immediately behind the length.

Syntax

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Summary

Declaration

Definition

from asn1.h:187

int mbedtls_asn1_get_len( unsigned char **p, const unsigned char *end, size_t *len );

Implemented in asn1parse.c:50

Arguments

Argument

Description

The position in the ASN.1 data

end

End of data

len

The variable that will receive the value

Return value

0 if successful, MBEDTLS_ERR_ASN1_OUT_OF_DATA on reaching end of data, MBEDTLS_ERR_ASN1_INVALID_LENGTH if length is unparseable.

References

Code

Location

Referrer

int mbedtls_asn1_get_len( unsigned char **p,

asn1parse.c:50

int mbedtls_asn1_get_len( unsigned char **p,

asn1.h:187

return( mbedtls_asn1_get_len( p, end, len ) );

asn1parse.c:120

mbedtls_asn1_get_tag()

if( ( ret = mbedtls_asn1_get_len( p, end, &params->len ) ) != 0 )

asn1parse.c:319

mbedtls_asn1_get_alg()

if( ( ret = mbedtls_asn1_get_len( p, end, &serial->len ) ) != 0 )

x509.c:99

mbedtls_x509_get_serial()

if( ( ret = mbedtls_asn1_get_len( p, end, &val->len ) ) != 0 )

x509.c:393

x509_get_attr_type_value()

ret = mbedtls_asn1_get_len( p, end, &len );

x509.c:626

mbedtls_x509_get_time()

if( ( ret = mbedtls_asn1_get_len( p, end, &tag_len ) ) != 0 )

x509_crt.c:641

x509_get_subject_alt_name()

Call Tree

mbedtls_asn1_get_len() is called by 6 functions:

mbedtls_asn1_get_tag()

mbedtls_asn1_get_alg()

mbedtls_x509_get_serial()

x509_get_attr_type_value()

mbedtls_x509_get_time()

x509_get_subject_alt_name()

mbedtls_asn1_get_len()

Data Use

mbedtls_asn1_get_len():

mbedtls_asn1_get_len()

Class Tree

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mbedtls_asn1_get_len() function

Syntax

Arguments

Return value

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle