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Refactor structures for pake driver support

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemek Stekiel 2022-11-22 14:00:51 +01:00
parent 03790029a6
commit d91bcb7673
3 changed files with 84 additions and 36 deletions
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38
include/psa/crypto_builtin_primitives.h
View File

@ -111,4 +111,42 @@ typedef struct {
#define MBEDTLS_PSA_CIPHER_OPERATION_INIT { 0, 0, 0, { 0 } }
/* EC-JPAKE operation definitions */
#include "mbedtls/ecjpake.h"
#if defined(MBEDTLS_PSA_BUILTIN_ALG_JPAKE)
#define MBEDTLS_PSA_BUILTIN_PAKE 1
#endif
/* Note: the format for mbedtls_ecjpake_read/write function has an extra
* length byte for each step, plus an extra 3 bytes for ECParameters in the
* server's 2nd round. */
#define MBEDTLS_PSA_PAKE_BUFFER_SIZE ((3 + 1 + 65 + 1 + 65 + 1 + 32) * 2)
typedef struct {
psa_algorithm_t MBEDTLS_PRIVATE(alg);
unsigned int MBEDTLS_PRIVATE(state);
unsigned int MBEDTLS_PRIVATE(sequence);
#if defined(MBEDTLS_PSA_BUILTIN_PAKE)
unsigned int MBEDTLS_PRIVATE(input_step);
unsigned int MBEDTLS_PRIVATE(output_step);
uint8_t *MBEDTLS_PRIVATE(password);
size_t MBEDTLS_PRIVATE(password_len);
uint8_t MBEDTLS_PRIVATE(role);
uint8_t MBEDTLS_PRIVATE(buffer[MBEDTLS_PSA_PAKE_BUFFER_SIZE]);
size_t MBEDTLS_PRIVATE(buffer_length);
size_t MBEDTLS_PRIVATE(buffer_offset);
#endif
/* Context structure for the Mbed TLS EC-JPAKE implementation. */
union {
unsigned int MBEDTLS_PRIVATE(dummy);
mbedtls_ecjpake_context MBEDTLS_PRIVATE(pake);
} MBEDTLS_PRIVATE(ctx);
} mbedtls_psa_pake_operation_t;
#define MBEDTLS_PSA_PAKE_OPERATION_INIT { { 0 } }
#endif /* PSA_CRYPTO_BUILTIN_PRIMITIVES_H */

37
include/psa/crypto_driver_contexts_primitives.h
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@ -45,6 +45,8 @@
#include <libtestdriver1/include/psa/crypto.h>
#endif
#include "mbedtls/ecjpake.h"
#if defined(PSA_CRYPTO_DRIVER_TEST)
#if defined(MBEDTLS_TEST_LIBTESTDRIVER1) && \
@ -87,6 +89,32 @@ typedef struct {
#define MBEDTLS_OPAQUE_TEST_DRIVER_CIPHER_OPERATION_INIT \
{ 0, MBEDTLS_TRANSPARENT_TEST_DRIVER_CIPHER_OPERATION_INIT }
#if defined(MBEDTLS_TEST_LIBTESTDRIVER1) && \
defined(LIBTESTDRIVER1_MBEDTLS_PSA_BUILTIN_PAKE)
typedef libtestdriver1_mbedtls_psa_pake_operation_t
mbedtls_transparent_test_driver_pake_operation_t;
typedef libtestdriver1_psa_pake_operation_t
mbedtls_opaque_test_driver_pake_operation_t;
#define MBEDTLS_TRANSPARENT_TEST_DRIVER_PAKE_OPERATION_INIT \
LIBTESTDRIVER1_MBEDTLS_PSA_PAKE_OPERATION_INIT
#define MBEDTLS_OPAQUE_TEST_DRIVER_PAKE_OPERATION_INIT \
LIBTESTDRIVER1_MBEDTLS_PSA_PAKE_OPERATION_INIT
#else
typedef mbedtls_psa_pake_operation_t
mbedtls_transparent_test_driver_pake_operation_t;
typedef mbedtls_psa_pake_operation_t
mbedtls_opaque_test_driver_pake_operation_t;
#define MBEDTLS_TRANSPARENT_TEST_DRIVER_PAKE_OPERATION_INIT \
MBEDTLS_PSA_PAKE_OPERATION_INIT
#define MBEDTLS_OPAQUE_TEST_DRIVER_PAKE_OPERATION_INIT \
MBEDTLS_PSA_PAKE_OPERATION_INIT
#endif /* MBEDTLS_TEST_LIBTESTDRIVER1 && LIBTESTDRIVER1_MBEDTLS_PSA_BUILTIN_PAKE */
#endif /* PSA_CRYPTO_DRIVER_TEST */
/* Define the context to be used for an operation that is executed through the
@ -113,5 +141,14 @@ typedef union {
#endif
} psa_driver_cipher_context_t;
typedef union {
unsigned dummy; /* Make sure this union is always non-empty */
mbedtls_psa_pake_operation_t mbedtls_ctx;
#if defined(PSA_CRYPTO_DRIVER_TEST)
mbedtls_transparent_test_driver_pake_operation_t transparent_test_driver_ctx;
mbedtls_opaque_test_driver_pake_operation_t opaque_test_driver_ctx;
#endif
} psa_driver_pake_context_t;
#endif /* PSA_CRYPTO_DRIVER_CONTEXTS_PRIMITIVES_H */
/* End of automatically generated file. */

45
include/psa/crypto_extra.h
View File

@ -1826,14 +1826,7 @@ psa_status_t psa_pake_abort(psa_pake_operation_t *operation);
/** Returns a suitable initializer for a PAKE operation object of type
* psa_pake_operation_t.
*/
#if defined(MBEDTLS_PSA_BUILTIN_PAKE)
#define PSA_PAKE_OPERATION_INIT { PSA_ALG_NONE, 0, 0, 0, 0, \
NULL, 0, \
PSA_PAKE_ROLE_NONE, { 0 }, 0, 0, \
{ .dummy = 0 } }
#else
#define PSA_PAKE_OPERATION_INIT { PSA_ALG_NONE, 0, 0, { 0 } }
#endif
#define PSA_PAKE_OPERATION_INIT { 0, { .dummy = 0 } }
struct psa_pake_cipher_suite_s {
psa_algorithm_t algorithm;
@ -1904,35 +1897,15 @@ static inline void psa_pake_cs_set_hash(psa_pake_cipher_suite_t *cipher_suite,
}
}
#if defined(MBEDTLS_PSA_BUILTIN_ALG_JPAKE)
#include <mbedtls/ecjpake.h>
/* Note: the format for mbedtls_ecjpake_read/write function has an extra
* length byte for each step, plus an extra 3 bytes for ECParameters in the
* server's 2nd round. */
#define MBEDTLS_PSA_PAKE_BUFFER_SIZE ((3 + 1 + 65 + 1 + 65 + 1 + 32) * 2)
#endif
struct psa_pake_operation_s {
psa_algorithm_t MBEDTLS_PRIVATE(alg);
unsigned int MBEDTLS_PRIVATE(state);
unsigned int MBEDTLS_PRIVATE(sequence);
#if defined(MBEDTLS_PSA_BUILTIN_PAKE)
unsigned int MBEDTLS_PRIVATE(input_step);
unsigned int MBEDTLS_PRIVATE(output_step);
uint8_t *MBEDTLS_PRIVATE(password);
size_t MBEDTLS_PRIVATE(password_len);
psa_pake_role_t MBEDTLS_PRIVATE(role);
uint8_t MBEDTLS_PRIVATE(buffer[MBEDTLS_PSA_PAKE_BUFFER_SIZE]);
size_t MBEDTLS_PRIVATE(buffer_length);
size_t MBEDTLS_PRIVATE(buffer_offset);
#endif
union {
#if defined(MBEDTLS_PSA_BUILTIN_ALG_JPAKE)
mbedtls_ecjpake_context ecjpake;
#endif
/* Make the union non-empty even with no supported algorithms. */
uint8_t dummy;
} MBEDTLS_PRIVATE(ctx);
/** Unique ID indicating which driver got assigned to do the
* operation. Since driver contexts are driver-specific, swapping
* drivers halfway through the operation is not supported.
* ID values are auto-generated in psa_crypto_driver_wrappers.h
* ID value zero means the context is not valid or not assigned to
* any driver (i.e. none of the driver contexts are active). */
unsigned int MBEDTLS_PRIVATE(id);
psa_driver_pake_context_t MBEDTLS_PRIVATE(ctx);
};
static inline struct psa_pake_cipher_suite_s psa_pake_cipher_suite_init(void)