exchange_test.h

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#ifndef _EXCHANGE_TEST_H
#define _EXCHANGE_TEST_H
 
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
#include <stdint.h>
#include <ipxe/crypto.h>
#include <ipxe/test.h>
 
/** A key exchange test */
struct exchange_test {
        /** Key exchange algorithm */
        struct exchange_algorithm *exchange;
        /** Private key */
        const void *private;
        /** Length of private key */
        size_t private_len;
        /** Partner public key */
        const void *partner;
        /** Length of partner key */
        size_t partner_len;
        /** Expected public key */
        const void *public;
        /** Length of expected public key */
        size_t public_len;
        /** Expected shared secret */
        const void *shared;
        /** Length of expected shared secret, or 0 to expect failure */
        size_t shared_len;
};
 
/** Define inline private key */
#define PRIVATE(...) { __VA_ARGS__ }
 
/** Define inline partner public key */
#define PARTNER(...) { __VA_ARGS__ }
 
/** Define inline expected public key */
#define PUBLIC(...) { __VA_ARGS__ }
 
/** Define inline expected shared secret */
#define SHARED(...) { __VA_ARGS__ }
 
/** Define inline expected failure result */
#define SHARED_FAIL SHARED()
 
/**
 * Define a key exchange test
 *
 * @v name              Test name
 * @v EXCHANGE          Key exchange algorithm
 * @v PRIVATE           Private key
 * @v PARTNER           Partner public key
 * @v PUBLIC            Expected public key
 * @v SHARED            Expected shared secret
 * @ret test            Key exchange test
 */
#define EXCHANGE_TEST( name, EXCHANGE, PRIVATE, PARTNER, PUBLIC,        \
                       SHARED )                                         \
        static const uint8_t name ## _private[] = PRIVATE;              \
        static const uint8_t name ## _partner[] = PARTNER;              \
        static const uint8_t name ## _public[] = PUBLIC;                \
        static const uint8_t name ## _shared[] = SHARED;                \
        static struct exchange_test name = {                            \
                .exchange = EXCHANGE,                                   \
                .private = name ## _private,                            \
                .private_len = sizeof ( name ## _private ),             \
                .partner = name ## _partner,                            \
                .partner_len = sizeof ( name ## _partner ),             \
                .public = name ## _public,                              \
                .public_len = sizeof ( name ## _public ),               \
                .shared = name ## _shared,                              \
                .shared_len = sizeof ( name ## _shared ),               \
        };
 
/**
 * Report a key exchange test result
 *
 * @v test              Key exchange test
 */
#define exchange_ok(test) exchange_okx ( test, __FILE__, __LINE__ )
 
extern void exchange_okx ( struct exchange_test *test, const char *file,
                           unsigned int line );
 
#endif /* _EXCHANGE_TEST_H */