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Improve documentation of some internal functions

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Manuel Pégourié-Gonnard 2018-03-07 10:00:57 +01:00
parent 05c00ed8b2
commit e57d7438b0
1 changed files with 26 additions and 0 deletions
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26
library/x509_crt.c
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@ -1953,6 +1953,19 @@ static int x509_crt_check_parent( const mbedtls_x509_crt *child,
* way we select the correct one is by checking the signature (as we don't * way we select the correct one is by checking the signature (as we don't
* rely on key identifier extensions). (This is one way users might choose to * rely on key identifier extensions). (This is one way users might choose to
* handle key rollover, another relies on self-issued certs, see [SIRO].) * handle key rollover, another relies on self-issued certs, see [SIRO].)
*
* Arguments:
* - [in] child: certificate for which we're looking for a parent
* - [in] candidates: chained list of potential parents
* - [in] top: 1 if candidates consists of trusted roots, ie we're at the top
* of the chain, 0 otherwise
* - [in] path_cnt: number of intermediates seen so far
* - [in] self_cnt: number of self-signed intermediates seen so far
* (will never be greater than path_cnt)
*
* Return value:
* - the first suitable parent found (see above regarding time-validity)
* - NULL if no suitable parent was found
*/ */
static mbedtls_x509_crt *x509_crt_find_parent_in( mbedtls_x509_crt *child, static mbedtls_x509_crt *x509_crt_find_parent_in( mbedtls_x509_crt *child,
mbedtls_x509_crt *candidates, mbedtls_x509_crt *candidates,
@ -2005,6 +2018,19 @@ static mbedtls_x509_crt *x509_crt_find_parent_in( mbedtls_x509_crt *child,
* *
* Searches in trusted CAs first, and return the first suitable parent found * Searches in trusted CAs first, and return the first suitable parent found
* (see find_parent_in() for definition of suitable). * (see find_parent_in() for definition of suitable).
*
* Arguments:
* - [in] child: certificate for which we're looking for a parent, followed
* by a chain of possible intermediates
* - [in] trust_ca: locally trusted CAs
* - [out] 1 if parent was found in trust_ca, 0 if found in provided chain
* - [in] path_cnt: number of intermediates seen so far
* - [in] self_cnt: number of self-signed intermediates seen so far
* (will always be no greater than path_cnt)
*
* Return value:
* - the first suitable parent found (see find_parent_in() for "suitable")
* - NULL if no suitable parent was found
*/ */
static mbedtls_x509_crt *x509_crt_find_parent( mbedtls_x509_crt *child, static mbedtls_x509_crt *x509_crt_find_parent( mbedtls_x509_crt *child,
mbedtls_x509_crt *trust_ca, mbedtls_x509_crt *trust_ca,