mbedtls_asn1_get_enum() function

Retrieve an enumerated ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.

Syntax

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Summary

Declaration

Definition

from asn1.h:308

int mbedtls_asn1_get_enum(unsigned char **p, const unsigned char *end, int *val);

Implemented in asn1parse.c:155

Arguments

Argument

Description

On entry, \c *p points to the start of the ASN.1 element. On successful completion, \c *p points to the first byte beyond the ASN.1 element. On error, the value of \c *p is undefined.

end

End of data.

val

On success, the parsed value.

Return value

0 if successful. An ASN.1 error code if the input does not start with a valid ASN.1 ENUMERATED. #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the parsed value does not fit in an \c int.

References

Code

Location

int mbedtls_asn1_get_enum(unsigned char **p,

asn1parse.c:155

int mbedtls_asn1_get_enum(unsigned char **p,

asn1.h:308

Call Tree

mbedtls_asn1_get_enum() calls 1 function:

mbedtls_asn1_get_enum()

asn1_get_tagged_int()

Data Use

mbedtls_asn1_get_enum():

mbedtls_asn1_get_enum()

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