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Add ASN.1 ENUMERATED tag support

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Add ASN.1 ENUMERATED [1] tag to supported tag list.

1. https://tools.ietf.org/html/rfc3641#page-8

Signed-off-by: Mykhailo Sopiha <mykhailo.sopiha@linaro.org>
This commit is contained in:
Mykhailo Sopiha 2019-10-29 15:58:10 +02:00
parent 0eaf49c9be
commit 20180ca919
4 changed files with 71 additions and 11 deletions
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15
include/mbedtls/asn1write.h
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@ -192,6 +192,21 @@ int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start,
*/
int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val );
/**
* \brief Write an enum tag (#MBEDTLS_ASN1_ENUMERATED) and value
* in ASN.1 format.
*
* \note This function works backwards in data buffer.
*
* \param p The reference to the current position pointer.
* \param start The start of the buffer, for bounds-checking.
* \param val The integer value to write.
*
* \return The number of bytes written to \p p on success.
* \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
*/
int mbedtls_asn1_write_enum( unsigned char **p, unsigned char *start, int val );
/**
* \brief Write a string in ASN.1 format using a specific
* string encoding tag.