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x509: Added mbedtls_x509_crt_get_ca_istrue() API accessor.

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Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis 2024-01-18 17:05:21 +00:00
parent e33b349c90
commit 2abbac74dc
2 changed files with 20 additions and 0 deletions
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12
include/mbedtls/x509_crt.h
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@ -916,6 +916,18 @@ static inline int mbedtls_x509_crt_has_ext_type(const mbedtls_x509_crt *ctx,
return ctx->MBEDTLS_PRIVATE(ext_types) & ext_type;
}
/**
* \brief Access the ca_istrue field
*
* \param[in] crt Certificate to be queried, must not be \c NULL
*
* \return \c 1 if this a CA certificate \c 0 otherwise.
* \return MBEDTLS_ERR_X509_INVALID_EXTENSIONS if the certificate does not support
* the Optional Basic Constraint extension.
*
*/
int mbedtls_x509_crt_get_ca_istrue(const mbedtls_x509_crt *crt);
/** \} name Structures and functions for parsing and writing X.509 certificates */
#if defined(MBEDTLS_X509_CRT_WRITE_C)

8
library/x509_crt.c
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@ -3290,4 +3290,12 @@ void mbedtls_x509_crt_restart_free(mbedtls_x509_crt_restart_ctx *ctx)
}
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
int mbedtls_x509_crt_get_ca_istrue(const mbedtls_x509_crt *crt)
{
if ((crt->ext_types & MBEDTLS_X509_EXT_BASIC_CONSTRAINTS) != 0) {
return crt->MBEDTLS_PRIVATE(ca_istrue);
}
return MBEDTLS_ERR_X509_INVALID_EXTENSIONS;
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */