diff --git a/cpu/cc2538/Makefile.cc2538 b/cpu/cc2538/Makefile.cc2538 index ae8f91729..cfa0b1360 100644 --- a/cpu/cc2538/Makefile.cc2538 +++ b/cpu/cc2538/Makefile.cc2538 @@ -53,7 +53,7 @@ CONTIKI_CPU_DIRS += ../cc253x/usb/common ../cc253x/usb/common/cdc-acm ### CPU-dependent source files CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c uart.c watchdog.c CONTIKI_CPU_SOURCEFILES += nvic.c cpu.c sys-ctrl.c gpio.c ioc.c spi.c adc.c -CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ecb.c cbc.c ccm.c sha256.c +CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ecb.c cbc.c ctr.c ccm.c sha256.c CONTIKI_CPU_SOURCEFILES += cc2538-aes-128.c cc2538-ccm-star.c CONTIKI_CPU_SOURCEFILES += cc2538-rf.c udma.c lpm.c CONTIKI_CPU_SOURCEFILES += pka.c bignum-driver.c ecc-driver.c ecc-algorithm.c diff --git a/cpu/cc2538/dev/ctr.c b/cpu/cc2538/dev/ctr.c new file mode 100644 index 000000000..0b0a88580 --- /dev/null +++ b/cpu/cc2538/dev/ctr.c @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2015, Benoît Thébaudeau + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/** + * \addtogroup cc2538-ctr + * @{ + * + * \file + * Implementation of the cc2538 AES-CTR driver + */ +#include "contiki.h" +#include "dev/rom-util.h" +#include "dev/ctr.h" + +#include +#include +/*---------------------------------------------------------------------------*/ +uint8_t +ctr_crypt_start(uint8_t encrypt, uint8_t key_area, const void *nonce, + const void *ictr, uint8_t ctr_len, const void *mdata_in, + void *mdata_out, uint16_t mdata_len, struct process *process) +{ + uint32_t ctrl; + uint32_t iv[AES_IV_LEN / sizeof(uint32_t)]; + uint8_t nonce_len; + + /* Program AES-CTR crypto operation */ + ctrl = (((ctr_len >> 2) - 1) << AES_AES_CTRL_CTR_WIDTH_S) | /* CTR width */ + AES_AES_CTRL_CTR | /* CTR */ + (encrypt ? AES_AES_CTRL_DIRECTION_ENCRYPT : 0); /* En/decryption */ + + /* Prepare the crypto initialization vector */ + nonce_len = AES_IV_LEN - ctr_len; + /* Nonce */ + rom_util_memcpy(&((uint8_t *)iv)[0], nonce, nonce_len); + /* Initial counter */ + rom_util_memcpy(&((uint8_t *)iv)[nonce_len], ictr, ctr_len); + + return aes_auth_crypt_start(ctrl, key_area, iv, NULL, 0, + mdata_in, mdata_out, mdata_len, process); +} +/*---------------------------------------------------------------------------*/ +int8_t +ctr_crypt_check_status(void) +{ + return aes_auth_crypt_check_status() ? aes_auth_crypt_get_result(NULL, NULL) : + CRYPTO_PENDING; +} + +/** @} */ diff --git a/cpu/cc2538/dev/ctr.h b/cpu/cc2538/dev/ctr.h new file mode 100644 index 000000000..491859d8f --- /dev/null +++ b/cpu/cc2538/dev/ctr.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2015, Benoît Thébaudeau + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/** + * \addtogroup cc2538-aes + * @{ + * + * \defgroup cc2538-ctr cc2538 AES-CTR + * + * Driver for the cc2538 AES-CTR mode of the security core + * @{ + * + * \file + * Header file for the cc2538 AES-CTR driver + */ +#ifndef CTR_H_ +#define CTR_H_ + +#include "contiki.h" +#include "dev/aes.h" + +#include +#include +/*---------------------------------------------------------------------------*/ +/** \name AES-CTR functions + * @{ + */ + +/** \brief Starts a CTR crypto operation + * \param encrypt \c true to encrypt, or \c false to decrypt + * \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 AES_IV_LEN - \p ctr_len octets), or \c NULL + * \param ictr Pointer to initial counter + * \param ctr_len Length of counter in octets (4, 8, 12, or 16) + * \param mdata_in Pointer to input message in SRAM + * \param mdata_out Pointer to output message in SRAM (may be \p mdata_in) + * \param mdata_len Length of message in octets + * \param process Process to be polled upon completion of the operation, or + * \c NULL + * \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CTR error code + */ +uint8_t ctr_crypt_start(uint8_t encrypt, uint8_t key_area, const void *nonce, + const void *ictr, uint8_t ctr_len, const void *mdata_in, + void *mdata_out, uint16_t mdata_len, + struct process *process); + +/** \brief Checks the status of the CTR crypto operation + * \return \c CRYPTO_PENDING if operation still pending, \c CRYPTO_SUCCESS if + * successful, or CRYPTO/AES/CTR error code + * \note This function must be called only after \c ctr_crypt_start(). + */ +int8_t ctr_crypt_check_status(void); + +/** @} */ + +#endif /* CTR_H_ */ + +/** + * @} + * @} + */ diff --git a/examples/cc2538dk/crypto/Makefile b/examples/cc2538dk/crypto/Makefile index b11a2165c..49625ad59 100644 --- a/examples/cc2538dk/crypto/Makefile +++ b/examples/cc2538dk/crypto/Makefile @@ -1,4 +1,4 @@ -CONTIKI_PROJECT = ecb-test cbc-test ccm-test sha256-test +CONTIKI_PROJECT = ecb-test cbc-test ctr-test ccm-test sha256-test all: $(CONTIKI_PROJECT) diff --git a/examples/cc2538dk/crypto/ctr-test.c b/examples/cc2538dk/crypto/ctr-test.c new file mode 100644 index 000000000..4a20c9095 --- /dev/null +++ b/examples/cc2538dk/crypto/ctr-test.c @@ -0,0 +1,352 @@ +/* + * Copyright (c) 2015, Benoît Thébaudeau + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/** + * \addtogroup cc2538-examples + * @{ + * + * \defgroup cc2538-ctr-test cc2538dk AES-CTR Test Project + * + * AES-CTR access example for CC2538 on SmartRF06EB. + * + * This example shows how AES-CTR should be used. The example also verifies + * the AES-CTR functionality. + * + * @{ + * + * \file + * Example demonstrating AES-CTR on the cc2538dk platform + */ +#include "contiki.h" +#include "sys/rtimer.h" +#include "dev/rom-util.h" +#include "dev/ctr.h" + +#include +#include +#include +/*---------------------------------------------------------------------------*/ +#define NONCE_MAX_LEN 0 +#define ICTR_MAX_LEN 16 +#define MDATA_MAX_LEN 64 +/*---------------------------------------------------------------------------*/ +PROCESS(ctr_test_process, "ctr test process"); +AUTOSTART_PROCESSES(&ctr_test_process); +/*---------------------------------------------------------------------------*/ +PROCESS_THREAD(ctr_test_process, ev, data) +{ + static const char *const str_res[] = { + "success", + "invalid param", + "NULL error", + "resource in use", + "DMA bus error", + "keystore read error", + "keystore write error", + "authentication failed" + }; + static const uint8_t keys128[][128 / 8] = { + { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, + 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c } + }; + static const uint8_t keys192[][192 / 8] = { + { 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52, + 0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5, + 0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b } + }; + static const uint8_t keys256[][256 / 8] = { + { 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, + 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81, + 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, + 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4 } + }; + static const struct { + const void *keys; + uint8_t key_size; + uint8_t count; + } keys[] = { + { keys128, AES_KEY_STORE_SIZE_KEY_SIZE_128, + sizeof(keys128) / sizeof(keys128[0]) }, + { keys192, AES_KEY_STORE_SIZE_KEY_SIZE_192, + sizeof(keys192) / sizeof(keys192[0]) }, + { keys256, AES_KEY_STORE_SIZE_KEY_SIZE_256, + sizeof(keys256) / sizeof(keys256[0]) } + }; + static const struct { + bool encrypt; + uint8_t key_size_index; + uint8_t key_area; + uint8_t nonce[NONCE_MAX_LEN]; + uint8_t ictr[ICTR_MAX_LEN]; + uint8_t ctr_len; + uint8_t mdata[MDATA_MAX_LEN]; + uint16_t mdata_len; + uint8_t expected[MDATA_MAX_LEN]; + } vectors[] = { + { + true, /* encrypt */ + 0, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */ + 64, /* mdata_len */ + { 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, + 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, + 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, + 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, + 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, + 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, + 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, + 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee } /* expected */ + }, { + false, /* encrypt */ + 0, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, + 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, + 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, + 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, + 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, + 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, + 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, + 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee }, /* mdata */ + 64, /* mdata_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */ + }, { + true, /* encrypt */ + 1, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */ + 64, /* mdata_len */ + { 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2, + 0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b, + 0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef, + 0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94, + 0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70, + 0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7, + 0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58, + 0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 } /* expected */ + }, { + false, /* encrypt */ + 1, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2, + 0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b, + 0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef, + 0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94, + 0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70, + 0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7, + 0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58, + 0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 }, /* mdata */ + 64, /* mdata_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */ + }, { + true, /* encrypt */ + 2, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */ + 64, /* mdata_len */ + { 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5, + 0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28, + 0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a, + 0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5, + 0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c, + 0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d, + 0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6, + 0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 } /* expected */ + }, { + false, /* encrypt */ + 2, /* key_size_index */ + 0, /* key_area */ + {}, /* nonce */ + { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */ + 16, /* ctr_len */ + { 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5, + 0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28, + 0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a, + 0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5, + 0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c, + 0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d, + 0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6, + 0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 }, /* mdata */ + 64, /* mdata_len */ + { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, + 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, + 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, + 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, + 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */ + } + }; + static uint8_t mdata[MDATA_MAX_LEN]; + static int i; + static uint8_t key_size_index = -1, ret; + static int8_t res; + static rtimer_clock_t time, time2, total_time; + + PROCESS_BEGIN(); + + puts("-----------------------------------------\n" + "Initializing cryptoprocessor..."); + crypto_init(); + + for(i = 0; i < sizeof(vectors) / sizeof(vectors[0]); i++) { + if(key_size_index != vectors[i].key_size_index) { + key_size_index = vectors[i].key_size_index; + printf("-----------------------------------------\n" + "Filling %d-bit key store...\n", 128 + (key_size_index << 6)); + time = RTIMER_NOW(); + ret = aes_load_keys(keys[key_size_index].keys, + keys[key_size_index].key_size, keys[key_size_index].count, 0); + time = RTIMER_NOW() - time; + printf("aes_load_keys(): %s, %lu us\n", str_res[ret], + (uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND)); + PROCESS_PAUSE(); + if(ret != CRYPTO_SUCCESS) { + break; + } + } + + printf("-----------------------------------------\n" + "Test vector #%d: %s\n" + "key_area=%d ctr_len=%d mdata_len=%d\n", + i, vectors[i].encrypt ? "encrypt" : "decrypt", + vectors[i].key_area, vectors[i].ctr_len, vectors[i].mdata_len); + + /* mdata has to be in SRAM. */ + rom_util_memcpy(mdata, vectors[i].mdata, vectors[i].mdata_len); + + time = RTIMER_NOW(); + ret = ctr_crypt_start(vectors[i].encrypt, vectors[i].key_area, + vectors[i].nonce, vectors[i].ictr, vectors[i].ctr_len, + mdata, mdata, vectors[i].mdata_len, + &ctr_test_process); + time2 = RTIMER_NOW(); + time = time2 - time; + total_time = time; + if(ret == CRYPTO_SUCCESS) { + PROCESS_WAIT_EVENT_UNTIL((res = ctr_crypt_check_status()) != + CRYPTO_PENDING); + time2 = RTIMER_NOW() - time2; + total_time += time2; + } + printf("ctr_crypt_start(): %s, %lu us\n", str_res[ret], + (uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND)); + if(ret != CRYPTO_SUCCESS) { + PROCESS_PAUSE(); + continue; + } + printf("ctr_crypt_check_status() wait: %s, %lu us\n", str_res[res], + (uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND)); + PROCESS_PAUSE(); + if(res != CRYPTO_SUCCESS) { + continue; + } + + if(rom_util_memcmp(mdata, vectors[i].expected, vectors[i].mdata_len)) { + puts("Output message does not match expected one"); + } else { + puts("Output message OK"); + } + + printf("Total duration: %lu us\n", + (uint32_t)((uint64_t)total_time * 1000000 / RTIMER_SECOND)); + } + + puts("-----------------------------------------\n" + "Disabling cryptoprocessor..."); + crypto_disable(); + + puts("Done!"); + + PROCESS_END(); +} +/*---------------------------------------------------------------------------*/ +/** + * @} + * @} + */ diff --git a/platform/cc2538dk/README.md b/platform/cc2538dk/README.md index 85ecc909c..131c8c3e4 100644 --- a/platform/cc2538dk/README.md +++ b/platform/cc2538dk/README.md @@ -30,7 +30,7 @@ In terms of hardware support, the following drivers have been implemented: * General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development. * ADC * PWM - * Cryptoprocessor (AES-ECB/CBC/CCM-128/192/256, SHA-256) + * Cryptoprocessor (AES-ECB/CBC/CTR/CCM-128/192/256, SHA-256) * Public Key Accelerator (ECDH, ECDSA) * Flash-based port of Coffee * SmartRF06 EB and BB peripherals diff --git a/platform/zoul/README.md b/platform/zoul/README.md index 6c138d31e..4628a833f 100644 --- a/platform/zoul/README.md +++ b/platform/zoul/README.md @@ -51,7 +51,7 @@ In terms of hardware support, the following drivers have been implemented for th * Low Power Modes * General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development. * ADC - * Cryptoprocessor (AES-ECB/CBC/CCM-128/192/256, SHA-256) + * Cryptoprocessor (AES-ECB/CBC/CTR/CCM-128/192/256, SHA-256) * Public Key Accelerator (ECDH, ECDSA) * Flash-based port of Coffee * PWM