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Improve documentation of old X.509 CRT verification functions

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This commit applies the documentation improvements noticed and applied
while adding the documentation for the new X.509 CRT verification API
mbedtls_x509_crt_verify_with_cb() to the existing verification APIs.
This commit is contained in:
Hanno Becker 2019-03-27 11:48:40 +00:00
parent 5c8df78feb
commit 902451db8b
1 changed files with 52 additions and 42 deletions
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94
include/mbedtls/x509_crt.h
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@ -371,7 +371,7 @@ int mbedtls_x509_crt_verify_info( char *buf, size_t size, const char *prefix,
uint32_t flags ); uint32_t flags );
/** /**
* \brief Verify the certificate signature * \brief Verify a chain of certificates.
* *
* The verify callback is a user-supplied callback that * The verify callback is a user-supplied callback that
* can clear / modify / add flags for a certificate. If set, * can clear / modify / add flags for a certificate. If set,
@ -411,22 +411,25 @@ int mbedtls_x509_crt_verify_info( char *buf, size_t size, const char *prefix,
* specific peers you know) - in that case, the self-signed * specific peers you know) - in that case, the self-signed
* certificate doesn't need to have the CA bit set. * certificate doesn't need to have the CA bit set.
* *
* \param crt a certificate (chain) to be verified * \param crt The certificate chain to be verified.
* \param trust_ca the list of trusted CAs (see note above) * \param trust_ca The list of trusted CAs.
* \param ca_crl the list of CRLs for trusted CAs (see note above) * \param ca_crl The list of CRLs for trusted CAs.
* \param cn expected Common Name (can be set to * \param cn The expected Common Name. This may be \c NULL if the
* NULL if the CN must not be verified) * CN need not be verified.
* \param flags result of the verification * \param flags The address at which to store the result of the verification.
* \param f_vrfy verification function * \param f_vrfy The verification callback to use. See the documentation
* \param p_vrfy verification parameter * of mbedtls_x509_crt_verify() for more information.
* \param p_vrfy The context to be passed to \p f_vrfy.
* *
* \return 0 (and flags set to 0) if the chain was verified and valid, * \return \c 0 if the chain is valid with respect to the
* MBEDTLS_ERR_X509_CERT_VERIFY_FAILED if the chain was verified * passed CN, CAs, CRLs and security profile.
* but found to be invalid, in which case *flags will have one * \return #MBEDTLS_ERR_X509_CERT_VERIFY_FAILED in case the
* or more MBEDTLS_X509_BADCERT_XXX or MBEDTLS_X509_BADCRL_XXX * certificate chain verification failed. In this case,
* flags set, or another error (and flags set to 0xffffffff) * \c *flags will have one or more
* in case of a fatal error encountered during the * \c MBEDTLS_X509_BADCERT_XXX or \c MBEDTLS_X509_BADCRL_XXX
* verification process. * flags set.
* \return Another negative error code in case of a fatal error
* encountered during the verification process.
*/ */
int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt, int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
mbedtls_x509_crt *trust_ca, mbedtls_x509_crt *trust_ca,
@ -436,7 +439,8 @@ int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
void *p_vrfy ); void *p_vrfy );
/** /**
* \brief Verify the certificate signature according to profile * \brief Verify a chain of certificates with respect to
* a configurable security profile.
* *
* \note Same as \c mbedtls_x509_crt_verify(), but with explicit * \note Same as \c mbedtls_x509_crt_verify(), but with explicit
* security profile. * security profile.
@ -445,22 +449,26 @@ int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
* for ECDSA) apply to all certificates: trusted root, * for ECDSA) apply to all certificates: trusted root,
* intermediate CAs if any, and end entity certificate. * intermediate CAs if any, and end entity certificate.
* *
* \param crt a certificate (chain) to be verified * \param crt The certificate chain to be verified.
* \param trust_ca the list of trusted CAs * \param trust_ca The list of trusted CAs.
* \param ca_crl the list of CRLs for trusted CAs * \param ca_crl The list of CRLs for trusted CAs.
* \param profile security profile for verification * \param profile The security profile to use for the verification.
* \param cn expected Common Name (can be set to * \param cn The expected Common Name. This may be \c NULL if the
* NULL if the CN must not be verified) * CN need not be verified.
* \param flags result of the verification * \param flags The address at which to store the result of the verification.
* \param f_vrfy verification function * \param f_vrfy The verification callback to use. See the documentation
* \param p_vrfy verification parameter * of mbedtls_x509_crt_verify() for more information.
* \param p_vrfy The context to be passed to \p f_vrfy.
* *
* \return 0 if successful or MBEDTLS_ERR_X509_CERT_VERIFY_FAILED * \return \c 0 if the chain is valid with respect to the
* in which case *flags will have one or more * passed CN, CAs, CRLs and security profile.
* MBEDTLS_X509_BADCERT_XXX or MBEDTLS_X509_BADCRL_XXX flags * \return #MBEDTLS_ERR_X509_CERT_VERIFY_FAILED in case the
* set, * certificate chain verification failed. In this case,
* or another error in case of a fatal error encountered * \c *flags will have one or more
* during the verification process. * \c MBEDTLS_X509_BADCERT_XXX or \c MBEDTLS_X509_BADCRL_XXX
* flags set.
* \return Another negative error code in case of a fatal error
* encountered during the verification process.
*/ */
int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt, int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
mbedtls_x509_crt *trust_ca, mbedtls_x509_crt *trust_ca,
@ -477,16 +485,18 @@ int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
* but can return early and restart according to the limit * but can return early and restart according to the limit
* set with \c mbedtls_ecp_set_max_ops() to reduce blocking. * set with \c mbedtls_ecp_set_max_ops() to reduce blocking.
* *
* \param crt a certificate (chain) to be verified * \param crt The certificate chain to be verified.
* \param trust_ca the list of trusted CAs * \param trust_ca The list of trusted CAs.
* \param ca_crl the list of CRLs for trusted CAs * \param ca_crl The list of CRLs for trusted CAs.
* \param profile security profile for verification * \param profile The security profile to use for the verification.
* \param cn expected Common Name (can be set to * \param cn The expected Common Name. This may be \c NULL if the
* NULL if the CN must not be verified) * CN need not be verified.
* \param flags result of the verification * \param flags The address at which to store the result of the verification.
* \param f_vrfy verification function * \param f_vrfy The verification callback to use. See the documentation
* \param p_vrfy verification parameter * of mbedtls_x509_crt_verify() for more information.
* \param rs_ctx restart context (NULL to disable restart) * \param p_vrfy The context to be passed to \p f_vrfy.
* \param rs_ctx The restart context to use. This may be set to \c NULL
* to disable restartable ECC.
* *
* \return See \c mbedtls_crt_verify_with_profile(), or * \return See \c mbedtls_crt_verify_with_profile(), or
* \return #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of * \return #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of