diff options
Diffstat (limited to 'tools/cert_create/include/ext.h')
| -rw-r--r-- | tools/cert_create/include/ext.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/tools/cert_create/include/ext.h b/tools/cert_create/include/ext.h index 57bb65f3..60455e66 100644 --- a/tools/cert_create/include/ext.h +++ b/tools/cert_create/include/ext.h @@ -31,8 +31,16 @@ #ifndef EXT_H_ #define EXT_H_ +#include "key.h" #include <openssl/x509v3.h> +/* Extension types supported */ +enum { + EXT_TYPE_NVCOUNTER, + EXT_TYPE_PKEY, + EXT_TYPE_HASH +}; + /* * This structure contains the relevant information to create the extensions * to be included in the certificates. This extensions will be used to @@ -42,11 +50,19 @@ typedef struct ext_s { const char *oid; /* OID of the extension */ const char *sn; /* Short name */ const char *ln; /* Long description */ - int type; /* OpenSSL ASN1 type of the extension data. + int asn1_type; /* OpenSSL ASN1 type of the extension data. * Supported types are: * - V_ASN1_INTEGER * - V_ASN1_OCTET_STRING */ + int type; + /* Extension data (depends on extension type) */ + union { + const char *fn; /* File with extension data */ + int nvcounter; /* Non volatile counter */ + int key; /* Public key */ + } data; + int alias; /* In case OpenSSL provides an standard * extension of the same type, add the new * extension as an alias of this one @@ -62,10 +78,20 @@ enum { EXT_CRIT = !EXT_NON_CRIT, }; -int ext_init(ext_t *tbb_ext); +/* Exported API */ +int ext_register(ext_t *tbb_ext); X509_EXTENSION *ext_new_hash(int nid, int crit, const EVP_MD *md, unsigned char *buf, size_t len); X509_EXTENSION *ext_new_nvcounter(int nid, int crit, int value); X509_EXTENSION *ext_new_key(int nid, int crit, EVP_PKEY *k); +/* Macro to register the extensions used in the CoT */ +#define REGISTER_EXTENSIONS(_ext) \ + ext_t *extensions = &_ext[0]; \ + const unsigned int num_extensions = sizeof(_ext)/sizeof(_ext[0]); + +/* Exported variables */ +extern ext_t *extensions; +extern const unsigned int num_extensions; + #endif /* EXT_H_ */ |