cc2538: ccm: Allow separate input/output buffers

This is supported by the hardware, so give access to this feature in the
API.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
This commit is contained in:
Benoît Thébaudeau 2015-12-23 01:04:13 +01:00
parent baef75752e
commit 04890b1899
3 changed files with 97 additions and 97 deletions

View file

@ -51,11 +51,11 @@
static uint8_t
ccm_auth_crypt_start(uint8_t encrypt, uint8_t len_len, uint8_t key_area,
const void *nonce, const void *adata, uint16_t adata_len,
void *data, uint16_t data_len, uint8_t mic_len,
struct process *process)
const void *data_in, void *data_out, uint16_t data_len,
uint8_t mic_len, struct process *process)
{
uint32_t ctrl;
uint32_t iv[4];
uint32_t iv[AES_IV_LEN / sizeof(uint32_t)];
/* Program AES-CCM authentication/crypto operation */
ctrl = AES_AES_CTRL_SAVE_CONTEXT | /* Save context */
@ -70,19 +70,20 @@ ccm_auth_crypt_start(uint8_t encrypt, uint8_t len_len, uint8_t key_area,
* Flags: L' = L - 1 */
((uint8_t *)iv)[0] = len_len - 1;
/* Nonce */
rom_util_memcpy(&((uint8_t *)iv)[1], nonce, 15 - len_len);
rom_util_memcpy(&((uint8_t *)iv)[CCM_FLAGS_LEN], nonce,
CCM_NONCE_LEN_LEN - len_len);
/* Initialize counter to 0 */
rom_util_memset(&((uint8_t *)iv)[16 - len_len], 0, len_len);
rom_util_memset(&((uint8_t *)iv)[AES_IV_LEN - len_len], 0, len_len);
return aes_auth_crypt_start(ctrl, key_area, iv, adata, adata_len,
data, data, data_len, process);
data_in, data_out, data_len, process);
}
/*---------------------------------------------------------------------------*/
static uint8_t
ccm_auth_crypt_get_result(const void *cdata, uint16_t cdata_len,
void *mic, uint8_t mic_len)
{
uint32_t tag[4];
uint32_t tag[AES_TAG_LEN / sizeof(uint32_t)];
uint16_t data_len;
uint8_t ret;
@ -107,12 +108,12 @@ ccm_auth_crypt_get_result(const void *cdata, uint16_t cdata_len,
/*---------------------------------------------------------------------------*/
uint8_t
ccm_auth_encrypt_start(uint8_t len_len, uint8_t key_area, const void *nonce,
const void *adata, uint16_t adata_len, void *pdata,
uint16_t pdata_len, uint8_t mic_len,
const void *adata, uint16_t adata_len, const void *pdata,
uint16_t pdata_len, void *cdata, uint8_t mic_len,
struct process *process)
{
return ccm_auth_crypt_start(true, len_len, key_area, nonce, adata, adata_len,
pdata, pdata_len, mic_len, process);
pdata, cdata, pdata_len, mic_len, process);
}
/*---------------------------------------------------------------------------*/
uint8_t
@ -123,14 +124,14 @@ ccm_auth_encrypt_get_result(void *mic, uint8_t mic_len)
/*---------------------------------------------------------------------------*/
uint8_t
ccm_auth_decrypt_start(uint8_t len_len, uint8_t key_area, const void *nonce,
const void *adata, uint16_t adata_len, void *cdata,
uint16_t cdata_len, uint8_t mic_len,
const void *adata, uint16_t adata_len, const void *cdata,
uint16_t cdata_len, void *pdata, uint8_t mic_len,
struct process *process)
{
uint16_t data_len = cdata_len - mic_len;
return ccm_auth_crypt_start(false, len_len, key_area, nonce, adata, adata_len,
cdata, data_len, mic_len, process);
cdata, pdata, data_len, mic_len, process);
}
/*---------------------------------------------------------------------------*/
uint8_t

View file

@ -54,26 +54,41 @@
#include <stdbool.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/** \name CCM constants
* @{
*/
#define CCM_FLAGS_LEN 1
#define CCM_NONCE_LEN_LEN (AES_IV_LEN - CCM_FLAGS_LEN)
#define CCM_MIC_MAX_LEN AES_TAG_LEN
/** @} */
/*---------------------------------------------------------------------------*/
/** \name AES-CCM functions
* @{
*/
/** \brief Starts the CCM authentication and encryption operation
* \param len_len Number of octets in length field (2, 4 or 8)
* \param key_area Area in Key RAM where the key is stored (0 to 7)
* \param nonce Pointer to nonce (15 - \p len_len octets)
* \param adata Pointer to additional authenticated data, or \c NULL
/** \brief Starts a CCM authentication and encryption operation
* \param len_len Number of octets in length field (2, 4, or 8)
* \param key_area Area in Key RAM where the key is stored (0 to
* \c AES_KEY_AREAS - 1)
* \param nonce Pointer to nonce (\c CCM_NONCE_LEN_LEN - \p len_len octets)
* \param adata Pointer to additional authenticated data in SRAM, or \c NULL
* \param adata_len Length of additional authenticated data in octets, or \c 0
* \param pdata Pointer to message to authenticate and encrypt, or \c NULL
* \param pdata_len Length of message to authenticate and encrypt in octets, or \c 0
* \param mic_len Number of octets in authentication field (even value between 0 and 16)
* \param process Process to be polled upon completion of the operation, or \c NULL
* \param pdata Pointer to message to authenticate and encrypt in SRAM, or
* \c NULL
* \param pdata_len Length of message to authenticate and encrypt in octets, or
* \c 0
* \param cdata Pointer to encrypted message in SRAM (may be \p pdata), or
* \c NULL
* \param mic_len Number of octets in authentication field (even value between 0
* and \c CCM_MIC_MAX_LEN)
* \param process Process to be polled upon completion of the operation, or
* \c NULL
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CCM error code
*/
uint8_t ccm_auth_encrypt_start(uint8_t len_len, uint8_t key_area,
const void *nonce, const void *adata,
uint16_t adata_len, void *pdata,
uint16_t pdata_len, uint8_t mic_len,
uint16_t adata_len, const void *pdata,
uint16_t pdata_len, void *cdata, uint8_t mic_len,
struct process *process);
/** \brief Checks the status of the CCM authentication and encryption operation
@ -84,41 +99,50 @@ uint8_t ccm_auth_encrypt_start(uint8_t len_len, uint8_t key_area,
/** \brief Gets the result of the CCM authentication and encryption operation
* \param mic Pointer to authentication field, or \c NULL
* \param mic_len Number of octets in authentication field (even value between 0 and 16)
* \param mic_len Number of octets in authentication field (even value between 0
* and \c CCM_MIC_MAX_LEN)
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CCM error code
* \note This function must be called only after \c ccm_auth_encrypt_start().
*/
uint8_t ccm_auth_encrypt_get_result(void *mic, uint8_t mic_len);
/** \brief Starts the CCM authentication checking and decryption operation
* \param len_len Number of octets in length field (2, 4 or 8)
* \param key_area Area in Key RAM where the key is stored (0 to 7)
* \param nonce Pointer to nonce (15 - \p len_len octets)
* \param adata Pointer to additional authenticated data, or \c NULL
/** \brief Starts a CCM authentication checking and decryption operation
* \param len_len Number of octets in length field (2, 4, or 8)
* \param key_area Area in Key RAM where the key is stored (0 to
* \c AES_KEY_AREAS - 1)
* \param nonce Pointer to nonce (\c CCM_NONCE_LEN_LEN - \p len_len octets)
* \param adata Pointer to additional authenticated data in SRAM, or \c NULL
* \param adata_len Length of additional authenticated data in octets, or \c 0
* \param cdata Pointer to encrypted and authenticated message
* \param cdata Pointer to encrypted and authenticated message in SRAM
* \param cdata_len Length of encrypted and authenticated message in octets
* \param mic_len Number of octets in authentication field (even value between 0 and 16)
* \param process Process to be polled upon completion of the operation, or \c NULL
* \param pdata Pointer to decrypted message in SRAM (may be \p cdata), or
* \c NULL
* \param mic_len Number of octets in authentication field (even value between 0
* and \c CCM_MIC_MAX_LEN)
* \param process Process to be polled upon completion of the operation, or
* \c NULL
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CCM error code
*/
uint8_t ccm_auth_decrypt_start(uint8_t len_len, uint8_t key_area,
const void *nonce, const void *adata,
uint16_t adata_len, void *cdata,
uint16_t cdata_len, uint8_t mic_len,
uint16_t adata_len, const void *cdata,
uint16_t cdata_len, void *pdata, uint8_t mic_len,
struct process *process);
/** \brief Checks the status of the CCM authentication checking and decryption operation
/** \brief Checks the status of the CCM authentication checking and decryption
* operation
* \retval false Result not yet available, and no error occurred
* \retval true Result available, or error occurred
*/
#define ccm_auth_decrypt_check_status aes_auth_crypt_check_status
/** \brief Gets the result of the CCM authentication checking and decryption operation
/** \brief Gets the result of the CCM authentication checking and decryption
* operation
* \param cdata Pointer to encrypted and authenticated message
* \param cdata_len Length of encrypted and authenticated message in octets
* \param mic Pointer to authentication field, or \c NULL
* \param mic_len Number of octets in authentication field (even value between 0 and 16)
* \param mic_len Number of octets in authentication field (even value between 0
* and \c CCM_MIC_MAX_LEN)
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CCM error code
* \note This function must be called only after \c ccm_auth_decrypt_start().
*/

View file

@ -58,6 +58,11 @@
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define NONCE_MAX_LEN 13
#define ADATA_MAX_LEN 32
#define MDATA_MAX_LEN 40
#define MIC_MAX_LEN 16
/*---------------------------------------------------------------------------*/
PROCESS(ccm_test_process, "ccm test process");
AUTOSTART_PROCESSES(&ccm_test_process);
/*---------------------------------------------------------------------------*/
@ -73,13 +78,13 @@ PROCESS_THREAD(ccm_test_process, ev, data)
"keystore write error",
"authentication failed"
};
static const uint8_t keys128[][16] = {
static const uint8_t keys128[][128 / 8] = {
{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf }
};
static const uint8_t keys192[][24] = {
static const uint8_t keys192[][192 / 8] = {
{ 0x26, 0x51, 0x1f, 0xb5, 0x1f, 0xcf, 0xa7, 0x5c,
0xb4, 0xb4, 0x4d, 0xa7, 0x5a, 0x6e, 0x5a, 0x0e,
0xb8, 0xd9, 0xc8, 0xf3, 0xb9, 0x06, 0xf8, 0x86 },
@ -93,7 +98,7 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x37, 0x34, 0x1f, 0xec, 0x49, 0x94, 0x7e, 0x8c,
0x70, 0x48, 0x24, 0x94, 0xa8, 0xf0, 0x7f, 0xcc }
};
static const uint8_t keys256[][32] = {
static const uint8_t keys256[][256 / 8] = {
{ 0x26, 0x51, 0x1f, 0xb5, 0x1f, 0xcf, 0xa7, 0x5c,
0xb4, 0xb4, 0x4d, 0xa7, 0x5a, 0x6e, 0x5a, 0x0e,
0xb8, 0xd9, 0xc8, 0xf3, 0xb9, 0x06, 0xf8, 0x86,
@ -123,19 +128,18 @@ PROCESS_THREAD(ccm_test_process, ev, data)
{ keys256, AES_KEY_STORE_SIZE_KEY_SIZE_256,
sizeof(keys256) / sizeof(keys256[0]) }
};
static struct {
static const struct {
bool encrypt;
uint8_t len_len;
uint8_t key_size_index;
uint8_t key_area;
uint8_t nonce[13];
uint8_t adata[32];
uint8_t nonce[NONCE_MAX_LEN];
uint8_t adata[ADATA_MAX_LEN];
uint16_t adata_len;
uint8_t mdata[40];
uint8_t mdata[MDATA_MAX_LEN];
uint16_t mdata_len;
uint8_t mic[16];
uint8_t mic_len;
uint8_t expected[40];
uint8_t expected[MDATA_MAX_LEN];
} vectors[] = {
{
true, /* encrypt */
@ -150,7 +154,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f }, /* mdata */
20, /* mdata_len */
{}, /* mic */
0, /* mic_len */
{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
@ -169,7 +172,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
26, /* adata_len */
{}, /* mdata */
0, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
8, /* mic_len */
{ 0x22, 0x3b, 0xc1, 0xec, 0x84, 0x1a, 0xb5, 0x53 } /* expected */
}, {
@ -186,7 +188,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f }, /* mdata */
20, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
@ -204,7 +205,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
0x2c, 0x61, 0x01, 0x4e }, /* mdata */
20, /* mdata_len */
{}, /* mic */
0, /* mic_len */
{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
@ -223,7 +223,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
26, /* adata_len */
{ 0x22, 0x3b, 0xc1, 0xec, 0x84, 0x1a, 0xb5, 0x53 }, /* mdata */
8, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
8, /* mic_len */
{} /* expected */
}, {
@ -240,7 +239,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
0x2c, 0x61, 0x01, 0x4e, 0x7b, 0x34, 0x4f, 0x09 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
@ -258,8 +256,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x12, 0x55, 0x06, 0x39, 0xb9, 0x1f, 0xb2, 0x57,
0x3e, 0x39, 0xa8, 0xeb, 0x5d, 0x80, 0x1d, 0xe8 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x63, 0x42, 0xb8, 0x70, 0x0e, 0xde, 0xc9, 0x7a,
0x96, 0x0e, 0xb1, 0x6e, 0x7c, 0xb1, 0xeb, 0x44,
@ -280,8 +276,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
32, /* adata_len */
{}, /* mdata */
0, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x3b, 0xf9, 0xd9, 0x3a, 0xf6, 0xff, 0xac, 0x9a,
0xc8, 0x4c, 0xd3, 0x20, 0x2d, 0x4e, 0x0c, 0xc8 } /* expected */
@ -300,8 +294,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0xe6, 0x9c, 0x2a, 0x1f, 0x58, 0x93, 0x9d, 0xfe,
0x4d, 0x40, 0x37, 0x91, 0xb5, 0xdf, 0x13, 0x10 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x8a, 0x0f, 0x3d, 0x82, 0x29, 0xe4, 0x8e, 0x74,
0x87, 0xfd, 0x95, 0xa2, 0x8a, 0xd3, 0x92, 0xc8,
@ -324,7 +316,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0xe5, 0xd6, 0x25, 0x49, 0x59, 0xa1, 0x8a, 0xff,
0xc4, 0xfa, 0xf5, 0x9c, 0x8e, 0xf6, 0x34, 0x89 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0x13, 0x7d, 0x9d, 0xa5, 0x9b, 0xaf, 0x5c, 0xbf,
0xd4, 0x66, 0x20, 0xc5, 0xf2, 0x98, 0xfc, 0x76,
@ -345,8 +336,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0xb0, 0x90, 0x15, 0x5d, 0x34, 0xa7, 0x6c, 0x83,
0x24, 0xe5, 0x55, 0x0c, 0x3e, 0xf4, 0x26, 0xed }, /* mdata */
40, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x39, 0xf0, 0x8a, 0x2a, 0xf1, 0xd8, 0xda, 0x62,
0x12, 0x55, 0x06, 0x39, 0xb9, 0x1f, 0xb2, 0x57,
@ -366,8 +355,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
{ 0x3b, 0xf9, 0xd9, 0x3a, 0xf6, 0xff, 0xac, 0x9a,
0xc8, 0x4c, 0xd3, 0x20, 0x2d, 0x4e, 0x0c, 0xc8 }, /* mdata */
16, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{} /* expected */
}, {
@ -387,8 +374,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x2d, 0xd6, 0xef, 0x1c, 0x45, 0xd4, 0xcc, 0xb7,
0x23, 0xdc, 0x07, 0x44, 0x14, 0xdb, 0x50, 0x6d }, /* mdata */
40, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0xc8, 0xd2, 0x75, 0xf9, 0x19, 0xe1, 0x7d, 0x7f,
0xe6, 0x9c, 0x2a, 0x1f, 0x58, 0x93, 0x9d, 0xfe,
@ -410,7 +395,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x6d, 0xe1, 0x0a, 0xc6, 0x8e, 0x77, 0x4e, 0xdf,
0x1f, 0x2c, 0x5b, 0xad }, /* mdata */
28, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0xee, 0x7e, 0x60, 0x75, 0xba, 0x52, 0x84, 0x6d,
0xe5, 0xd6, 0x25, 0x49, 0x59, 0xa1, 0x8a, 0xff,
@ -428,8 +412,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0xe7, 0x91, 0x11, 0x0f, 0xca, 0xea, 0x48, 0xe4,
0x1d, 0xb7, 0xc7, 0xf0, 0x98, 0xa8, 0x10, 0x00 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x55, 0xf0, 0x68, 0xc0, 0xbb, 0xba, 0x8b, 0x59,
0x80, 0x13, 0xdd, 0x18, 0x41, 0xfd, 0x74, 0x0f,
@ -450,8 +432,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
32, /* adata_len */
{}, /* mdata */
0, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0xca, 0x48, 0x2c, 0x67, 0x4b, 0x59, 0x90, 0x46,
0xcc, 0x7d, 0x7e, 0xe0, 0xd0, 0x0e, 0xec, 0x1e } /* expected */
@ -470,8 +450,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x7b, 0x5e, 0x01, 0x5e, 0xea, 0x14, 0x1c, 0xa1,
0xa8, 0x80, 0x20, 0xf2, 0xd5, 0xd6, 0xcc, 0x2c }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x27, 0xed, 0x90, 0x66, 0x81, 0x74, 0xeb, 0xf8,
0x24, 0x1a, 0x3c, 0x74, 0xb3, 0x5e, 0x12, 0x46,
@ -494,7 +472,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x7e, 0xdb, 0xb6, 0x7f, 0x8a, 0xe4, 0x56, 0xb4,
0xea, 0x06, 0x6a, 0x4b, 0xee, 0xe0, 0x65, 0xf9 }, /* mdata */
24, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0x9c, 0x8d, 0x5d, 0xd2, 0x27, 0xfd, 0x9f, 0x81,
0x23, 0x76, 0x01, 0x83, 0x0a, 0xfe, 0xe4, 0xf0,
@ -515,8 +492,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x93, 0x57, 0x53, 0xe6, 0x01, 0xb7, 0x9d, 0xb4,
0xae, 0x73, 0x0b, 0x6a, 0xe3, 0x50, 0x07, 0x31 }, /* mdata */
40, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x30, 0xd5, 0x6f, 0xf2, 0xa2, 0x5b, 0x83, 0xfe,
0xe7, 0x91, 0x11, 0x0f, 0xca, 0xea, 0x48, 0xe4,
@ -536,8 +511,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
{ 0xca, 0x48, 0x2c, 0x67, 0x4b, 0x59, 0x90, 0x46,
0xcc, 0x7d, 0x7e, 0xe0, 0xd0, 0x0e, 0xec, 0x1e }, /* mdata */
16, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{} /* expected */
}, {
@ -557,8 +530,6 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x3b, 0xdb, 0x67, 0x06, 0x2a, 0x13, 0xef, 0x4e,
0x98, 0x6f, 0x5b, 0xb3, 0xd0, 0xbb, 0x43, 0x07 }, /* mdata */
40, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
16, /* mic_len */
{ 0x64, 0x4e, 0xb3, 0x4b, 0x9a, 0x12, 0x6e, 0x43,
0x7b, 0x5e, 0x01, 0x5e, 0xea, 0x14, 0x1c, 0xa1,
@ -580,13 +551,15 @@ PROCESS_THREAD(ccm_test_process, ev, data)
0x11, 0x56, 0x36, 0xc8, 0xe5, 0xd5, 0xfd, 0x74,
0x3c, 0xb9, 0xaf, 0xed }, /* mdata */
28, /* mdata_len */
{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
4, /* mic_len */
{ 0x23, 0x90, 0x29, 0xf1, 0x50, 0xbc, 0xcb, 0xd6,
0x7e, 0xdb, 0xb6, 0x7f, 0x8a, 0xe4, 0x56, 0xb4,
0xea, 0x06, 0x6a, 0x4b, 0xee, 0xe0, 0x65, 0xf9 } /* expected */
}
};
static uint8_t adata[ADATA_MAX_LEN];
static uint8_t mdata[MDATA_MAX_LEN];
static uint8_t mic[MIC_MAX_LEN];
static int i;
static uint8_t key_size_index = -1, ret;
static rtimer_clock_t time, time2, total_time;
@ -622,13 +595,17 @@ PROCESS_THREAD(ccm_test_process, ev, data)
vectors[i].len_len, vectors[i].key_area,
vectors[i].adata_len, vectors[i].mdata_len, vectors[i].mic_len);
/* adata and mdata have to be in SRAM. */
rom_util_memcpy(adata, vectors[i].adata, vectors[i].adata_len);
rom_util_memcpy(mdata, vectors[i].mdata, vectors[i].mdata_len);
time = RTIMER_NOW();
if(vectors[i].encrypt) {
ret = ccm_auth_encrypt_start(vectors[i].len_len, vectors[i].key_area,
vectors[i].nonce, vectors[i].adata,
vectors[i].adata_len, vectors[i].mdata,
vectors[i].mdata_len, vectors[i].mic_len,
&ccm_test_process);
vectors[i].nonce, adata,
vectors[i].adata_len, mdata,
vectors[i].mdata_len, mdata,
vectors[i].mic_len, &ccm_test_process);
time2 = RTIMER_NOW();
time = time2 - time;
total_time = time;
@ -647,7 +624,7 @@ PROCESS_THREAD(ccm_test_process, ev, data)
(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
time = RTIMER_NOW();
ret = ccm_auth_encrypt_get_result(vectors[i].mic, vectors[i].mic_len);
ret = ccm_auth_encrypt_get_result(mic, vectors[i].mic_len);
time = RTIMER_NOW() - time;
total_time += time;
printf("ccm_auth_encrypt_get_result(): %s, %lu us\n", str_res[ret],
@ -657,15 +634,13 @@ PROCESS_THREAD(ccm_test_process, ev, data)
continue;
}
if(rom_util_memcmp(vectors[i].mdata, vectors[i].expected,
vectors[i].mdata_len)) {
if(rom_util_memcmp(mdata, vectors[i].expected, vectors[i].mdata_len)) {
puts("Encrypted message does not match expected one");
} else {
puts("Encrypted message OK");
}
if(rom_util_memcmp(vectors[i].mic,
vectors[i].expected + vectors[i].mdata_len,
if(rom_util_memcmp(mic, vectors[i].expected + vectors[i].mdata_len,
vectors[i].mic_len)) {
puts("MIC does not match expected one");
} else {
@ -673,10 +648,10 @@ PROCESS_THREAD(ccm_test_process, ev, data)
}
} else {
ret = ccm_auth_decrypt_start(vectors[i].len_len, vectors[i].key_area,
vectors[i].nonce, vectors[i].adata,
vectors[i].adata_len, vectors[i].mdata,
vectors[i].mdata_len, vectors[i].mic_len,
&ccm_test_process);
vectors[i].nonce, adata,
vectors[i].adata_len, mdata,
vectors[i].mdata_len, mdata,
vectors[i].mic_len, &ccm_test_process);
time2 = RTIMER_NOW();
time = time2 - time;
total_time = time;
@ -695,8 +670,8 @@ PROCESS_THREAD(ccm_test_process, ev, data)
(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
time = RTIMER_NOW();
ret = ccm_auth_decrypt_get_result(vectors[i].mdata, vectors[i].mdata_len,
vectors[i].mic, vectors[i].mic_len);
ret = ccm_auth_decrypt_get_result(mdata, vectors[i].mdata_len,
mic, vectors[i].mic_len);
time = RTIMER_NOW() - time;
total_time += time;
printf("ccm_auth_decrypt_get_result(): %s, %lu us\n", str_res[ret],
@ -706,7 +681,7 @@ PROCESS_THREAD(ccm_test_process, ev, data)
continue;
}
if(rom_util_memcmp(vectors[i].mdata, vectors[i].expected,
if(rom_util_memcmp(mdata, vectors[i].expected,
vectors[i].mdata_len - vectors[i].mic_len)) {
puts("Decrypted message does not match expected one");
} else {