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mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-06-07 22:42:02 +03:00
mbedtls/library/x509_oid.h
Gilles Peskine 02ec585518 Replace MBEDTLS_OID_C by function-specific dependencies
For each function in `x509_oid.c`, determine where it is used and only
include it in the build if it is needed by the X.509 code. Define the
corresponding internal tables only when they are consumed by a function.

This makes Mbed TLS completely independent of the compilation option
`MBEDTLS_OID_C`. This option remains present only in sample configs for
crypto, where it must stay until TF-PSA-Crypto no longer relies on this
option.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2025-06-03 15:51:34 +02:00

151 lines
4.8 KiB
C

/**
* \file x509_oid.h
*
* \brief Object Identifier (OID) database
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#ifndef MBEDTLS_X509_OID_H
#define MBEDTLS_X509_OID_H
#include "mbedtls/private_access.h"
#include "mbedtls/asn1.h"
#include "mbedtls/pk.h"
#include "mbedtls/x509.h"
#include <stddef.h>
#include "mbedtls/md.h"
/*
* Maximum number of OID components allowed
*/
#define MBEDTLS_OID_MAX_COMPONENTS 128
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Base OID descriptor structure
*/
typedef struct {
const char *MBEDTLS_PRIVATE(asn1); /*!< OID ASN.1 representation */
size_t MBEDTLS_PRIVATE(asn1_len); /*!< length of asn1 */
#if !defined(MBEDTLS_X509_REMOVE_INFO)
const char *MBEDTLS_PRIVATE(name); /*!< official name (e.g. from RFC) */
const char *MBEDTLS_PRIVATE(description); /*!< human friendly description */
#endif
} mbedtls_x509_oid_descriptor_t;
#if defined(MBEDTLS_X509_CRT_PARSE_C) || defined(MBEDTLS_X509_CSR_PARSE_C)
#define MBEDTLS_X509_OID_HAVE_GET_X509_EXT_TYPE
/**
* \brief Translate an X.509 extension OID into local values
*
* \param oid OID to use
* \param ext_type place to store the extension type
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_x509_ext_type(const mbedtls_asn1_buf *oid, int *ext_type);
#endif /* MBEDTLS_X509_OID_HAVE_GET_X509_EXT_TYPE */
#if defined(MBEDTLS_X509_USE_C)
/**
* \brief Translate an X.509 attribute type OID into the short name
* (e.g. the OID for an X520 Common Name into "CN")
*
* \param oid OID to use
* \param short_name place to store the string pointer
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_attr_short_name(const mbedtls_asn1_buf *oid, const char **short_name);
#endif /* MBEDTLS_X509_USE_C */
#if defined(MBEDTLS_X509_USE_C)
/**
* \brief Translate SignatureAlgorithm OID into md_type and pk_type
*
* \param oid OID to use
* \param md_alg place to store message digest algorithm
* \param pk_alg place to store public key algorithm
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_sig_alg(const mbedtls_asn1_buf *oid,
mbedtls_md_type_t *md_alg, mbedtls_pk_type_t *pk_alg);
#if !defined(MBEDTLS_X509_REMOVE_INFO)
/**
* \brief Translate SignatureAlgorithm OID into description
*
* \param oid OID to use
* \param desc place to store string pointer
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_sig_alg_desc(const mbedtls_asn1_buf *oid, const char **desc);
#endif /* !MBEDTLS_X509_REMOVE_INFO */
#endif /* MBEDTLS_X509_USE_C */
#if defined(MBEDTLS_X509_CRT_WRITE_C) || defined(MBEDTLS_X509_CSR_WRITE_C)
/**
* \brief Translate md_type and pk_type into SignatureAlgorithm OID
*
* \param md_alg message digest algorithm
* \param pk_alg public key algorithm
* \param oid place to store ASN.1 OID string pointer
* \param olen length of the OID
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_oid_by_sig_alg(mbedtls_pk_type_t pk_alg, mbedtls_md_type_t md_alg,
const char **oid, size_t *olen);
#endif /* MBEDTLS_X509_CRT_WRITE_C || MBEDTLS_X509_CSR_WRITE_C */
#if (defined(MBEDTLS_X509_USE_C) && defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)) || \
defined(MBEDTLS_PKCS7_C)
#define MBEDTLS_X509_OID_HAVE_GET_MD_ALG
/**
* \brief Translate hash algorithm OID into md_type
*
* \param oid OID to use
* \param md_alg place to store message digest algorithm
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_md_alg(const mbedtls_asn1_buf *oid, mbedtls_md_type_t *md_alg);
#endif /* MBEDTLS_X509_OID_HAVE_GET_MD_ALG */
#if defined(MBEDTLS_X509_CRT_PARSE_C) && !defined(MBEDTLS_X509_REMOVE_INFO)
/**
* \brief Translate Extended Key Usage OID into description
*
* \param oid OID to use
* \param desc place to store string pointer
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_extended_key_usage(const mbedtls_asn1_buf *oid, const char **desc);
/**
* \brief Translate certificate policies OID into description
*
* \param oid OID to use
* \param desc place to store string pointer
*
* \return 0 if successful, or MBEDTLS_ERR_X509_UNKNOWN_OID
*/
int mbedtls_x509_oid_get_certificate_policies(const mbedtls_asn1_buf *oid, const char **desc);
#endif /* MBEDTLS_X509_CRT_PARSE_C && !MBEDTLS_X509_REMOVE_INFO */
#ifdef __cplusplus
}
#endif
#endif /* x509_oid.h */