diff options
| -rw-r--r-- | board/cr50/build.mk | 15 | ||||
| -rw-r--r-- | board/cr50/dcrypto/dcrypto_regs.h | 82 | ||||
| -rw-r--r-- | board/cr50/dcrypto/internal.h | 15 | ||||
| -rw-r--r-- | board/cr50/dcrypto/sha_hw.c | 917 |
4 files changed, 939 insertions, 90 deletions
diff --git a/board/cr50/build.mk b/board/cr50/build.mk index b221c4f050..7e83e05405 100644 --- a/board/cr50/build.mk +++ b/board/cr50/build.mk @@ -19,7 +19,8 @@ ifeq ($(BOARD_MK_INCLUDED_ONCE),) # List of variables which can be defined in the environment or set in the make # command line. ENV_VARS := CR50_DEV CRYPTO_TEST H1_RED_BOARD U2F_TEST RND_TEST DRBG_TEST\ - ECDSA_TEST DCRYPTO_TEST P256_BIN_TEST + ECDSA_TEST DCRYPTO_TEST P256_BIN_TEST SHA1_TEST SHA256_TEST\ + HMAC_SHA256_TEST ifneq ($(CRYPTO_TEST),) CPPFLAGS += -DCRYPTO_TEST_SETUP @@ -48,6 +49,18 @@ ifneq ($(P256_BIN_TEST),) CPPFLAGS += -DP256_BIN_TEST=1 endif +ifneq ($(SHA1_TEST),) +CPPFLAGS += -DSHA1_TEST=1 +endif + +ifneq ($(SHA256_TEST),) +CPPFLAGS += -DSHA256_TEST=1 +endif + +ifneq ($(HMAC_SHA256_TEST),) +CPPFLAGS += -DHMAC_SHA256_TEST=1 +endif + endif diff --git a/board/cr50/dcrypto/dcrypto_regs.h b/board/cr50/dcrypto/dcrypto_regs.h new file mode 100644 index 0000000000..85ea57bc95 --- /dev/null +++ b/board/cr50/dcrypto/dcrypto_regs.h @@ -0,0 +1,82 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#ifndef __EC_FIPS_MODULE_REGS_H +#define __EC_FIPS_MODULE_REGS_H + +/** + * This header file contains H1 crypto device register tables defined + * as structs. This allows more efficient code generation compared to + * using GREG() macro. The root cause is that with GREG compiler can't + * always deduce that next register address can be calculated from + * previous one already loaded in register by adding a small constant, + * thus producing inefficient code to load address first and spill + * registers. Access made as struct like: + * + * static volatile struct keymgr_sha *reg_keymgr_sha = + * (void *)(GC_KEYMGR_BASE_ADDR + GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); + * + * reg_keymgr_sha->itop = 0; + * reg_keymgr_sha->trig = GC_KEYMGR_SHA_TRIG_TRIG_RESET_MASK; + * + * becomes more compact and efficient. + */ +#include "common.h" + +#ifdef __cplusplus +extern "C" { +#endif +#include "registers.h" + + + +/** + * SHA/HMAC part of KEYMGR starting offset 0x400 + */ +struct keymgr_sha { + uint32_t msglen_lo; /* KEYMGR_SHA_CFG_MSGLEN_LO 0x400 */ + uint32_t msglen_hi; /* KEYMGR_SHA_CFG_MSGLEN_HI 0x404 */ + uint32_t cfg_en; /* KEYMGR_SHA_CFG_EN 0x408 */ + uint32_t wr_en; /* KEYMGR_SHA_CFG_WR_EN 0x40c */ + uint32_t trig; /* KEYMGR_SHA_TRIG 0x410 */ + const uint32_t _pad1[11]; + union { + uint32_t fifo_u32; /* KEYMGR_SHA_INPUT_FIFO 0x440 */ + uint8_t fifo_u8; /* KEYMGR_SHA_INPUT_FIFO 0x440 */ + }; + + uint32_t h[8]; /* KEYMGR_SHA_STS_H0 .. H7 */ + uint32_t key[8]; /* KEYMGR_SHA_KEY_W0 .. W7 */ + const uint32_t sts; /* KEYMGR_SHA_STS */ + const uint32_t itcr; /* KEYMGR_SHA_ITCR */ + uint32_t itop; /* KEYMGR_SHA_ITOP */ + uint32_t use_hidden_key; /* KEYMGR_SHA_USE_HIDDEN_KEY */ + uint32_t use_cert; /* KEYMGR_SHA_USE_CERT */ + uint32_t cert_override; /* KEYMGR_SHA_CERT_OVERRIDE */ + uint32_t rand_stall; /* KEYMGR_SHA_RAND_STALL_CTL */ + uint32_t count_state; /* KEYMGR_SHA_EXECUTE_COUNT_STATE */ + uint32_t count_max; /* KEYMGR_SHA_EXECUTE_COUNT_MAX */ + uint32_t revoke_ctrl[3]; /* KEYMGR_CERT_REVOKE_CTRL0 .. CTRL3 */ +}; + +BUILD_ASSERT(offsetof(struct keymgr_sha, trig) == + GC_KEYMGR_SHA_TRIG_OFFSET - GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); + +BUILD_ASSERT(offsetof(struct keymgr_sha, fifo_u32) == + GC_KEYMGR_SHA_INPUT_FIFO_OFFSET - + GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); + +BUILD_ASSERT(offsetof(struct keymgr_sha, h) == + GC_KEYMGR_SHA_STS_H0_OFFSET - GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); + +BUILD_ASSERT(offsetof(struct keymgr_sha, rand_stall) == + GC_KEYMGR_SHA_RAND_STALL_CTL_OFFSET - + GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); + +#ifdef __cplusplus +} +#endif + +#endif /* __EC_FIPS_MODULE_REGS_H */ + diff --git a/board/cr50/dcrypto/internal.h b/board/cr50/dcrypto/internal.h index ef092f6fb5..ea9056cefb 100644 --- a/board/cr50/dcrypto/internal.h +++ b/board/cr50/dcrypto/internal.h @@ -10,6 +10,7 @@ #include "common.h" #include "crypto_common.h" + #include "util.h" #include "hmacsha2.h" @@ -39,11 +40,6 @@ extern "C" { #define CHAR_BIT 8 #endif -enum sha_mode { - SHA1_MODE = 0, - SHA256_MODE = 1 -}; - /* * Use this structure to avoid alignment problems with input and output * pointers. @@ -57,6 +53,9 @@ int dcrypto_grab_sha_hw(void); void dcrypto_release_sha_hw(void); #endif +/* Load data into KEYMGR SHA FIFO. */ +void dcrypto_sha_fifo_load(const void *data, size_t n); + /* * BIGNUM. */ @@ -352,6 +351,12 @@ static inline uint64_t rol64(uint64_t value, int bits) /* Define machine word alignment mask. */ #define WORD_MASK (sizeof(uintptr_t) - 1) +/* return true if pointer is not word aligned. */ +static inline bool is_not_aligned(const void *ptr) +{ + return (uintptr_t)ptr & WORD_MASK; +} + /** * @brief Launders the machine register sized value `val`. * diff --git a/board/cr50/dcrypto/sha_hw.c b/board/cr50/dcrypto/sha_hw.c index 82f5c6dacf..7d70d71c86 100644 --- a/board/cr50/dcrypto/sha_hw.c +++ b/board/cr50/dcrypto/sha_hw.c @@ -5,7 +5,13 @@ #include "dcrypto.h" #include "fips.h" #include "internal.h" -#include "registers.h" +#include "dcrypto_regs.h" + +/** + * Define KEYMGR SHA/HMAC access structure. + */ +static volatile struct keymgr_sha *reg_keymgr_sha = + (void *)(GC_KEYMGR_BASE_ADDR + GC_KEYMGR_SHA_CFG_MSGLEN_LO_OFFSET); #ifdef SECTION_IS_RO /* RO is single threaded. */ @@ -47,116 +53,197 @@ void dcrypto_release_sha_hw(void) #endif /* ! SECTION_IS_RO */ -static void dcrypto_sha_wait(enum sha_mode mode, uint32_t *digest) +/* Stall frequency for SHA/HMAC engine. */ +enum keymgr_stall_freq { + KEYMGR_STALL_FREQ_50 = 0, + KEYMGR_STALL_FREQ_25 = 1, + KEYMGR_STALL_FREQ_12 = 2, + KEYMGR_STALL_FREQ_6 = 3, +}; + +#define KEYMGR_STALL(freq) \ + (GC_KEYMGR_SHA_RAND_STALL_CTL_STALL_EN_MASK | \ + (freq << GC_KEYMGR_SHA_RAND_STALL_CTL_FREQ_LSB)) + +/* Ready to use settings for SHA_RAND_STALL_CTL register. */ +enum keymgr_stall_cfg { + KEYMGR_STALL_DISABLED = 0, + KEYMGR_STALL_50 = KEYMGR_STALL(KEYMGR_STALL_FREQ_50), + KEYMGR_STALL_25 = KEYMGR_STALL(KEYMGR_STALL_FREQ_25), + KEYMGR_STALL_12 = KEYMGR_STALL(KEYMGR_STALL_FREQ_12), + KEYMGR_STALL_6 = KEYMGR_STALL(KEYMGR_STALL_FREQ_6) +}; + +/* Ready to use configuration of KEYMGR SHA engine. */ +enum sha_cfg { + MODE_SHA256_LIVESTREAM = (GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK | + GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK), + + MODE_SHA1_LIVESTREAM = (GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK | + GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK | + GC_KEYMGR_SHA_CFG_EN_SHA1_MASK), + + MODE_SHA256_ONESHOT = (GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK), + + MODE_SHA1_ONESHOT = (GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK | + GC_KEYMGR_SHA_CFG_EN_SHA1_MASK), + + MODE_HMAC_SHA256_LIVESTREAM = (GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK | + GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK | + GC_KEYMGR_SHA_CFG_EN_HMAC_MASK) +}; + +static void dcrypto_sha_wait(uint32_t *digest, size_t digest_words) { - int i; - const int digest_len = (mode == SHA1_MODE) ? SHA1_DIGEST_SIZE : - SHA256_DIGEST_SIZE; - - /* Stop LIVESTREAM mode. */ - GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_STOP_MASK; + /* Stop LIVESTREAM mode (if active). */ + reg_keymgr_sha->trig = GC_KEYMGR_SHA_TRIG_TRIG_STOP_MASK; /* Wait for SHA DONE interrupt. */ - while (!GREG32(KEYMGR, SHA_ITOP)) + while (!reg_keymgr_sha->itop) ; - /* Read out final digest. */ - for (i = 0; i < digest_len / 4; ++i) - *digest++ = GR_KEYMGR_SHA_HASH(i); - dcrypto_release_sha_hw(); + /** + * Read out final digest. Note, we unroll loop for + * 2 cases - SHA1 and SHA256, defaulting to SHA1 to remove + * extra check. This function is only called with + * SHA256_DIGEST_WORDS or SHA1_DIGEST_WORDS. Such unrolling + * is cheap, as each read/write instruction is just 2 bytes. + */ + switch (digest_words) { + case SHA256_DIGEST_WORDS: + digest[5] = reg_keymgr_sha->h[5]; + digest[6] = reg_keymgr_sha->h[6]; + digest[7] = reg_keymgr_sha->h[7]; + /* Fall through */ + default: /* SHA1_DIGEST_WORDS */ + digest[0] = reg_keymgr_sha->h[0]; + digest[1] = reg_keymgr_sha->h[1]; + digest[2] = reg_keymgr_sha->h[2]; + digest[3] = reg_keymgr_sha->h[3]; + digest[4] = reg_keymgr_sha->h[4]; + } + + /* Clear interrupt status. */ + reg_keymgr_sha->itop = 0; + + /* Destroy any leftovers in SHA engine. */ + reg_keymgr_sha->trig = GC_KEYMGR_SHA_TRIG_TRIG_RESET_MASK; } +/* Wrapper for HW SHA/HMAC to match vtable function signature. */ static void dcrypto_sha_update(union hash_ctx *unused, const void *data, size_t n) { + dcrypto_sha_fifo_load(data, n); +} + +void dcrypto_sha_fifo_load(const void *data, size_t n) +{ const uint8_t *bp = (const uint8_t *)data; + const uint8_t *bp_end = bp + n; + const uint32_t *wp_end = (uint32_t *)((uintptr_t)bp_end & ~WORD_MASK); const uint32_t *wp; /* Feed unaligned start bytes. */ - while (n != 0 && ((uint32_t)bp & 3)) { - GREG8(KEYMGR, SHA_INPUT_FIFO) = *bp++; - n -= 1; - } + while (is_not_aligned(bp) && bp < bp_end) + reg_keymgr_sha->fifo_u8 = *bp++; - /* Feed groups of aligned words. */ wp = (uint32_t *)bp; - while (n >= 8 * 4) { - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - n -= 8 * 4; + + /* Feed groups of aligned words. */ + while (wp + 4 < wp_end) { + reg_keymgr_sha->fifo_u32 = *wp++; + reg_keymgr_sha->fifo_u32 = *wp++; + reg_keymgr_sha->fifo_u32 = *wp++; + reg_keymgr_sha->fifo_u32 = *wp++; } + /* Feed individual aligned words. */ - while (n >= 4) { - GREG32(KEYMGR, SHA_INPUT_FIFO) = *wp++; - n -= 4; - } + while (wp < wp_end) + reg_keymgr_sha->fifo_u32 = *wp++; /* Feed remaining bytes. */ bp = (uint8_t *)wp; - while (n != 0) { - GREG8(KEYMGR, SHA_INPUT_FIFO) = *bp++; - n -= 1; - } + while (bp < bp_end) + reg_keymgr_sha->fifo_u8 = *bp++; } -static void dcrypto_sha_init(enum sha_mode mode) +static void dcrypto_load_hmac_key(uint32_t *hmac_key) { - int val; + volatile uint32_t *reg_key = reg_keymgr_sha->key; - /* Stop LIVESTREAM mode, in case final() was not called. */ - GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_STOP_MASK; + /* Set that we want key from KEY_W0..W7. */ + reg_keymgr_sha->use_hidden_key = 0; + reg_keymgr_sha->use_cert = 0; + + /* Only SHA2-256 is supported for HMAC. */ + for (size_t i = 0; i < SHA256_DIGEST_WORDS; ++i) + *reg_key++ = *hmac_key++; +} + +/** + * Program SHA/HMAC in specified mode and set random stalls to + * harden against side-channel attacks. + * + * @param mode SHA/HMAC operation mode + * @param stall configured random stalls + * @param len length of message for one-shot mode (ignored in livestream) + */ +static void dcrypto_sha_init(enum sha_cfg mode, enum keymgr_stall_cfg stall, + size_t len) +{ /* Clear interrupt status. */ - GREG32(KEYMGR, SHA_ITOP) = 0; - - /* Enable streaming mode. */ - val = GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK; - /* Enable SHA DONE interrupt. */ - val |= GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK; - /* Select SHA mode. */ - if (mode == SHA1_MODE) - val |= GC_KEYMGR_SHA_CFG_EN_SHA1_MASK; - GREG32(KEYMGR, SHA_CFG_EN) = val; - - /* Turn off random nops (which are enabled by default). */ - GWRITE_FIELD(KEYMGR, SHA_RAND_STALL_CTL, STALL_EN, 0); - /* Configure random nop percentage at 12%. */ - GWRITE_FIELD(KEYMGR, SHA_RAND_STALL_CTL, FREQ, 2); - /* Now turn on random nops. */ - GWRITE_FIELD(KEYMGR, SHA_RAND_STALL_CTL, STALL_EN, 1); + reg_keymgr_sha->itop = 0; + + /* Reset logic. */ + reg_keymgr_sha->trig = GC_KEYMGR_SHA_TRIG_TRIG_RESET_MASK; + + /* Load data length, ignored in livestream mode. */ + reg_keymgr_sha->msglen_lo = len; + reg_keymgr_sha->msglen_hi = 0; + + /* Turn off random nops (which are enabled by default) to reprogram. */ + reg_keymgr_sha->rand_stall = 0; + + /* Configure and enable random nop percentage. */ + reg_keymgr_sha->rand_stall = stall; + + reg_keymgr_sha->cfg_en = mode; /* Start SHA engine. */ - GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_GO_MASK; + reg_keymgr_sha->trig = GC_KEYMGR_SHA_TRIG_TRIG_GO_MASK; } static const struct sha1_digest *dcrypto_sha1_final(union hash_ctx *ctx) { - dcrypto_sha_wait(SHA1_MODE, ctx->sha1.digest.b32); + dcrypto_sha_wait(ctx->sha1.digest.b32, SHA1_DIGEST_WORDS); + dcrypto_release_sha_hw(); return &ctx->sha1.digest; } static const struct sha256_digest *dcrypto_sha256_final(union hash_ctx *ctx) { - dcrypto_sha_wait(SHA256_MODE, ctx->sha256.digest.b32); + dcrypto_sha_wait(ctx->sha256.digest.b32, SHA256_DIGEST_WORDS); + dcrypto_release_sha_hw(); return &ctx->sha256.digest; } static const union sha_digests *dcrypto_sha256_final_as_hash( union hash_ctx *const ctx) __alias(dcrypto_sha256_final); + static const union sha_digests *dcrypto_sha1_final_as_hash( union hash_ctx *const ctx) __alias(dcrypto_sha1_final); -static void dcrypto_sha_hash(enum sha_mode mode, const uint8_t *data, size_t n, - uint32_t *digest) +static const union sha_digests *dcrypto_hmac_final(union hmac_ctx *const ctx) { - dcrypto_sha_init(mode); - dcrypto_sha_update(NULL, data, n); - dcrypto_sha_wait(mode, digest); + size_t i; + + dcrypto_sha_wait(ctx->hmac_sha256.hash.digest.b32, SHA256_DIGEST_WORDS); + /* Destroy loaded key after use. */ + for (i = 0; i < SHA256_DIGEST_WORDS; ++i) + reg_keymgr_sha->key[i] = 0; + dcrypto_release_sha_hw(); + return (union sha_digests *)&ctx->hmac_sha256.hash.digest; } /* Requires dcrypto_grab_sha_hw() to be called first. */ @@ -170,7 +257,7 @@ static void dcrypto_sha1_init(union hash_ctx *ctx) }; ctx->f = &hw_sha1_vtab; - dcrypto_sha_init(SHA1_MODE); + dcrypto_sha_init(MODE_SHA1_LIVESTREAM, KEYMGR_STALL_6, 0); } static void dcrypto_sha256_init(union hash_ctx *ctx) @@ -184,7 +271,7 @@ static void dcrypto_sha256_init(union hash_ctx *ctx) }; ctx->f = &HW_SHA256_VTAB; - dcrypto_sha_init(SHA256_MODE); + dcrypto_sha_init(MODE_SHA256_LIVESTREAM, KEYMGR_STALL_6, 0); } /** @@ -225,24 +312,44 @@ void SHA256_hw_init(struct sha256_ctx *ctx) SHA256_sw_init(ctx); } +/* SHA1/256/HMAC SHA256 one-shot mode primitive. */ +static void dcrypto_sha_oneshot(enum sha_cfg mode, const void *data, size_t n, + uint32_t *digest, size_t digest_words) +{ + /** + * Load message length in one-shot mode. This way engine can start + * processing data blocks earlier than in livestream mode. + */ + if (n != 0) { /* One-shot only works for non-empty data. */ + dcrypto_sha_init(mode, KEYMGR_STALL_6, n); + + dcrypto_sha_fifo_load(data, n); + } else /* Due to bug in SHA engine, force livestream for this case. */ + dcrypto_sha_init(mode | GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK, + KEYMGR_STALL_6, 0); + dcrypto_sha_wait(digest, digest_words); +} + const struct sha1_digest *SHA1_hw_hash(const void *data, size_t n, - struct sha1_digest *digest) + struct sha1_digest *digest) { - if (dcrypto_grab_sha_hw()) - /* dcrypto_sha_wait() will release the hw. */ - dcrypto_sha_hash(SHA1_MODE, data, n, digest->b32); - else + if (dcrypto_grab_sha_hw()) { + dcrypto_sha_oneshot(MODE_SHA1_ONESHOT, data, n, digest->b32, + SHA1_DIGEST_WORDS); + dcrypto_release_sha_hw(); + } else SHA1_sw_hash(data, n, digest); return digest; } const struct sha256_digest *SHA256_hw_hash(const void *data, size_t n, - struct sha256_digest *digest) + struct sha256_digest *digest) { - if (dcrypto_grab_sha_hw()) - /* dcrypto_sha_wait() will release the hw. */ - dcrypto_sha_hash(SHA256_MODE, data, n, digest->b32); - else + if (dcrypto_grab_sha_hw()) { + dcrypto_sha_oneshot(MODE_SHA256_ONESHOT, data, n, digest->b32, + SHA256_DIGEST_WORDS); + dcrypto_release_sha_hw(); + } else SHA256_sw_hash(data, n, digest); return digest; } @@ -251,16 +358,658 @@ const struct sha256_digest *SHA256_hw_hash(const void *data, size_t n, const uint8_t *DCRYPTO_SHA1_hash(const void *data, size_t n, uint8_t *digest) __alias(SHA1_hw_hash); -/* TODO(b/195092622): initialize HW HMAC instead. */ +const struct sha256_digest *HMAC_SHA256_hw_final(struct hmac_sha256_ctx *ctx) +{ + return HMAC_SHA256_final(ctx); +} + void HMAC_SHA256_hw_init(struct hmac_sha256_ctx *ctx, const void *key, - size_t len) + size_t len) +{ + /* VTable for Hardware HMAC implementation. */ + static const struct hash_vtable HW_HMAC_SHA256_VTAB = { + dcrypto_sha256_init, dcrypto_sha_update, + dcrypto_sha256_final_as_hash, dcrypto_hmac_final, + SHA256_DIGEST_SIZE, SHA256_BLOCK_SIZE, + sizeof(struct sha256_ctx) + }; + + struct sha256_digest padded_key; + + /** + * HW HMAC only supports key length <= 256 bits. However, + * large keys are hashed back to 256 bits. + */ + if ((len > SHA256_DIGEST_SIZE) && (len <= SHA256_BLOCK_SIZE)) { + /* Try a hybrid path with HW SHA2 and software HMAC. */ + SHA256_hw_init(&ctx->hash); + HMAC_sw_init((union hmac_ctx *)ctx, key, len); + return; + } + + if (!dcrypto_grab_sha_hw()) { + /* Fallback to software path. */ + SHA256_sw_init(&ctx->hash); + HMAC_sw_init((union hmac_ctx *)ctx, key, len); + return; + } + + if (len > SHA256_BLOCK_SIZE) { + /* For long keys make key 256 bit. */ + dcrypto_sha_oneshot(MODE_SHA256_ONESHOT, key, len, + padded_key.b32, SHA256_DIGEST_WORDS); + } else { + /** + * len <= SHA256_DIGEST_SIZE, so zero pad HMAC key + * before sending to HW. + */ + memset(padded_key.b32, 0, sizeof(padded_key)); + memcpy(padded_key.b32, key, len); + } + + ctx->hash.f = &HW_HMAC_SHA256_VTAB; + + dcrypto_load_hmac_key(padded_key.b32); + dcrypto_sha_init(MODE_HMAC_SHA256_LIVESTREAM, KEYMGR_STALL_25, 0); + + always_memset(padded_key.b32, 0, sizeof(padded_key)); +} + +#ifdef CRYPTO_TEST_SETUP +/** + * To use hmac command for testing, set one or many configuration variables: + * SHA1_TEST - SHA1 test vectors + * SHA256_TEST - SHA2 test vectors + * HMAC_SHA256_TEST - HMAC SHA256 test vectors. + * + * It will test all software and hardware implementations available. + */ +#include "console.h" +#include "common.h" +#include "endian.h" + +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) + +struct hash_test { + size_t len; + uint8_t *c; + uint8_t *d; +}; + +struct hmac_test { + size_t klen; + uint8_t *k; + size_t len; + uint8_t *c; + uint8_t *d; +}; + +union kdata32 { + uint8_t bytes[32]; + uint32_t words[8]; +}; + +#ifndef SHA1_TEST +#define SHA1_TEST 0 +#endif + +#ifndef SHA256_TEST +#define SHA256_TEST 0 +#endif + +#ifndef HMAC_SHA256_TEST +#define HMAC_SHA256_TEST 0 +#endif + +#if SHA1_TEST || SHA256_TEST || HMAC_SHA256_TEST +static const char *smemcmp(const void *a, const void *b, size_t len) { - SHA256_hw_init(&ctx->hash); - HMAC_sw_init((union hmac_ctx *)ctx, key, len); + return (memcmp(a, b, len) == 0) ? "passed" : "NOT passed!"; } +#endif -const struct sha256_digest * -HMAC_SHA256_hw_final(struct hmac_sha256_ctx *ctx) +#if SHA1_TEST +static int cmd_sha1_test(int argc, char *argv[]) { - return HMAC_SHA256_final(ctx); + /** + * Test vectors for SHA1, SHA256 from + * https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/secure-hashing + */ + const struct hash_test sha1_v[] = { + { .len = 0, + .c = (uint8_t[]){}, + .d = (uint8_t[]){ 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, + 0x0d, 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, + 0x18, 0x90, 0xaf, 0xd8, 0x07, 0x09 } }, + { .len = 1, + .c = (uint8_t[]){ 0x36 }, + .d = (uint8_t[]){ 0xc1, 0xdf, 0xd9, 0x6e, 0xea, 0x8c, 0xc2, + 0xb6, 0x27, 0x85, 0x27, 0x5b, 0xca, 0x38, + 0xac, 0x26, 0x12, 0x56, 0xe2, 0x78 } }, + { .len = 12, + .c = (uint8_t[]){ 0x09, 0x38, 0xf2, 0xe2, 0xeb, 0xb6, 0x4f, + 0x8a, 0xf8, 0xbb, 0xfc, 0x91 }, + .d = (uint8_t[]){ 0x9f, 0x4e, 0x66, 0xb6, 0xce, 0xea, 0x40, + 0xdc, 0xf4, 0xb9, 0x16, 0x6c, 0x28, 0xf1, + 0xc8, 0x84, 0x74, 0x14, 0x1d, 0xa9 } }, + { .len = 20, + .c = (uint8_t[]){ 0x63, 0xa3, 0xcc, 0x83, 0xfd, 0x1e, 0xc1, + 0xb6, 0x68, 0x0e, 0x99, 0x74, 0xa0, 0x51, + 0x4e, 0x1a, 0x9e, 0xce, 0xbb, 0x6a }, + .d = (uint8_t[]){ 0x8b, 0xb8, 0xc0, 0xd8, 0x15, 0xa9, 0xc6, + 0x8a, 0x1d, 0x29, 0x10, 0xf3, 0x9d, 0x94, + 0x26, 0x03, 0xd8, 0x07, 0xfb, 0xcc } }, + { .len = 32, + .c = (uint8_t[]){ 0x03, 0x21, 0x79, 0x4b, 0x73, 0x94, 0x18, + 0xc2, 0x4e, 0x7c, 0x2e, 0x56, 0x52, 0x74, + 0x79, 0x1c, 0x4b, 0xe7, 0x49, 0x75, 0x2a, + 0xd2, 0x34, 0xed, 0x56, 0xcb, 0x0a, 0x63, + 0x47, 0x43, 0x0c, 0x6b }, + .d = (uint8_t[]){ 0xb8, 0x99, 0x62, 0xc9, 0x4d, 0x60, 0xf6, + 0xa3, 0x32, 0xfd, 0x60, 0xf6, 0xf0, 0x7d, + 0x4f, 0x03, 0x2a, 0x58, 0x6b, 0x76 } }, + { .len = 48, + .c = (uint8_t[]){ 0x57, 0xe8, 0x96, 0x59, 0xd8, 0x78, 0xf3, + 0x60, 0xaf, 0x6d, 0xe4, 0x5a, 0x9a, 0x5e, + 0x37, 0x2e, 0xf4, 0x0c, 0x38, 0x49, 0x88, + 0xe8, 0x26, 0x40, 0xa3, 0xd5, 0xe4, 0xb7, + 0x6d, 0x2e, 0xf1, 0x81, 0x78, 0x0b, 0x9a, + 0x09, 0x9a, 0xc0, 0x6e, 0xf0, 0xf8, 0xa7, + 0xf3, 0xf7, 0x64, 0x20, 0x97, 0x20 }, + .d = (uint8_t[]){ 0xf6, 0x52, 0xf3, 0xb1, 0x54, 0x9f, 0x16, + 0x71, 0x0c, 0x74, 0x02, 0x89, 0x59, 0x11, + 0xe2, 0xb8, 0x6a, 0x9b, 0x2a, 0xee } }, + { .len = 55, + .c = (uint8_t[]){ 0xec, 0x6b, 0x4a, 0x88, 0x71, 0x3d, 0xf2, + 0x7c, 0x0f, 0x2d, 0x02, 0xe7, 0x38, 0xb6, + 0x9d, 0xb4, 0x3a, 0xbd, 0xa3, 0x92, 0x13, + 0x17, 0x25, 0x9c, 0x86, 0x4c, 0x1c, 0x38, + 0x6e, 0x9a, 0x5a, 0x3f, 0x53, 0x3d, 0xc0, + 0x5f, 0x3b, 0xee, 0xb2, 0xbe, 0xc2, 0xaa, + 0xc8, 0xe0, 0x6d, 0xb4, 0xc6, 0xcb, 0x3c, + 0xdd, 0xcf, 0x69, 0x7e, 0x03, 0xd5 }, + .d = (uint8_t[]){ 0xa7, 0x27, 0x2e, 0x23, 0x08, 0x62, 0x2f, + 0xf7, 0xa3, 0x39, 0x46, 0x0a, 0xdc, 0x61, + 0xef, 0xd0, 0xea, 0x8d, 0xab, 0xdc } }, + { .len = 56, + .c = (uint8_t[]){ 0x03, 0x21, 0x73, 0x6b, 0xeb, 0xa5, 0x78, + 0xe9, 0x0a, 0xbc, 0x1a, 0x90, 0xaa, 0x56, + 0x15, 0x7d, 0x87, 0x16, 0x18, 0xf6, 0xde, + 0x0d, 0x76, 0x4c, 0xc8, 0xc9, 0x1e, 0x06, + 0xc6, 0x8e, 0xcd, 0x3b, 0x9d, 0xe3, 0x82, + 0x40, 0x64, 0x50, 0x33, 0x84, 0xdb, 0x67, + 0xbe, 0xb7, 0xfe, 0x01, 0x22, 0x32, 0xda, + 0xca, 0xef, 0x93, 0xa0, 0x00, 0xfb, 0xa7 }, + .d = (uint8_t[]){ 0xae, 0xf8, 0x43, 0xb8, 0x69, 0x16, 0xc1, + 0x6f, 0x66, 0xc8, 0x4d, 0x83, 0xa6, 0x00, + 0x5d, 0x23, 0xfd, 0x00, 0x5c, 0x9e } }, + { .len = 163, + .c = (uint8_t[]){ 0x7c, 0x9c, 0x67, 0x32, 0x3a, 0x1d, 0xf1, + 0xad, 0xbf, 0xe5, 0xce, 0xb4, 0x15, 0xea, + 0xef, 0x01, 0x55, 0xec, 0xe2, 0x82, 0x0f, + 0x4d, 0x50, 0xc1, 0xec, 0x22, 0xcb, 0xa4, + 0x92, 0x8a, 0xc6, 0x56, 0xc8, 0x3f, 0xe5, + 0x85, 0xdb, 0x6a, 0x78, 0xce, 0x40, 0xbc, + 0x42, 0x75, 0x7a, 0xba, 0x7e, 0x5a, 0x3f, + 0x58, 0x24, 0x28, 0xd6, 0xca, 0x68, 0xd0, + 0xc3, 0x97, 0x83, 0x36, 0xa6, 0xef, 0xb7, + 0x29, 0x61, 0x3e, 0x8d, 0x99, 0x79, 0x01, + 0x62, 0x04, 0xbf, 0xd9, 0x21, 0x32, 0x2f, + 0xdd, 0x52, 0x22, 0x18, 0x35, 0x54, 0x44, + 0x7d, 0xe5, 0xe6, 0xe9, 0xbb, 0xe6, 0xed, + 0xf7, 0x6d, 0x7b, 0x71, 0xe1, 0x8d, 0xc2, + 0xe8, 0xd6, 0xdc, 0x89, 0xb7, 0x39, 0x83, + 0x64, 0xf6, 0x52, 0xfa, 0xfc, 0x73, 0x43, + 0x29, 0xaa, 0xfa, 0x3d, 0xcd, 0x45, 0xd4, + 0xf3, 0x1e, 0x38, 0x8e, 0x4f, 0xaf, 0xd7, + 0xfc, 0x64, 0x95, 0xf3, 0x7c, 0xa5, 0xcb, + 0xab, 0x7f, 0x54, 0xd5, 0x86, 0x46, 0x3d, + 0xa4, 0xbf, 0xea, 0xa3, 0xba, 0xe0, 0x9f, + 0x7b, 0x8e, 0x92, 0x39, 0xd8, 0x32, 0xb4, + 0xf0, 0xa7, 0x33, 0xaa, 0x60, 0x9c, 0xc1, + 0xf8, 0xd4 }, + .d = (uint8_t[]){ 0xd8, 0xfd, 0x6a, 0x91, 0xef, 0x3b, 0x6c, + 0xed, 0x05, 0xb9, 0x83, 0x58, 0xa9, 0x91, + 0x07, 0xc1, 0xfa, 0xc8, 0xc8, 0x07 } } + }; + for (size_t i = 0; i < ARRAY_SIZE(sha1_v); i++) { + struct sha1_digest sha1; + struct sha1_ctx ctx; + + memset(&sha1, 0, sizeof(sha1)); + SHA1_sw_hash(sha1_v[i].c, sha1_v[i].len, &sha1); + + CPRINTS("SHA1_sw_hash test %zu, len=%zu, %s", i, sha1_v[i].len, + smemcmp(sha1.b8, sha1_v[i].d, SHA1_DIGEST_SIZE)); + + memset(&sha1, 0, sizeof(sha1)); + SHA1_hw_hash(sha1_v[i].c, sha1_v[i].len, &sha1); + CPRINTS("SHA1_hw_hash test %zu, len=%zu, %s", i, sha1_v[i].len, + smemcmp(sha1.b8, sha1_v[i].d, SHA1_DIGEST_SIZE)); + + SHA1_hw_init(&ctx); + SHA1_update(&ctx, sha1_v[i].c, sha1_v[i].len); + CPRINTS("SHA1_hw_init test %zu, len=%zu, %s", i, sha1_v[i].len, + smemcmp(SHA1_final(&ctx)->b8, sha1_v[i].d, + SHA1_DIGEST_SIZE)); + cflush(); + } + return EC_SUCCESS; +} +DECLARE_SAFE_CONSOLE_COMMAND(sha1_test, cmd_sha1_test, NULL, NULL); +#endif + +#if SHA256_TEST +static int cmd_sha256_test(int argc, char *argv[]) +{ + /** + * Test vectors for SHA1, SHA256 from + * https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/secure-hashing + */ + + const struct hash_test sha256_v[] = { + { .len = 0, + .c = (uint8_t[]){}, + .d = (uint8_t[]){ 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, + 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, + 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, + 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, + 0x78, 0x52, 0xb8, 0x55 } }, + { .len = 1, + .c = (uint8_t[]){ 0xd3 }, + .d = (uint8_t[]){ 0x28, 0x96, 0x9c, 0xdf, 0xa7, 0x4a, 0x12, + 0xc8, 0x2f, 0x3b, 0xad, 0x96, 0x0b, 0x0b, + 0x00, 0x0a, 0xca, 0x2a, 0xc3, 0x29, 0xde, + 0xea, 0x5c, 0x23, 0x28, 0xeb, 0xc6, 0xf2, + 0xba, 0x98, 0x02, 0xc1 } }, + { .len = 5, + .c = (uint8_t[]){ 0xc2, 0x99, 0x20, 0x96, 0x82 }, + .d = (uint8_t[]){ 0xf0, 0x88, 0x7f, 0xe9, 0x61, 0xc9, 0xcd, + 0x3b, 0xea, 0xb9, 0x57, 0xe8, 0x22, 0x24, + 0x94, 0xab, 0xb9, 0x69, 0xb1, 0xce, 0x4c, + 0x65, 0x57, 0x97, 0x6d, 0xf8, 0xb0, 0xf6, + 0xd2, 0x0e, 0x91, 0x66 } }, + { .len = 10, + .c = (uint8_t[]){ 0x65, 0x74, 0x61, 0x6f, 0x6e, 0x72, 0x69, + 0x73, 0x68, 0x64 }, + .d = (uint8_t[]){ 0xf5, 0x53, 0xcd, 0xb8, 0xcf, 0x1, 0xee, + 0x17, 0x9b, 0x93, 0xc9, 0x68, 0xc0, 0xea, + 0x40, 0x91, 0x6, 0xec, 0x8e, 0x11, 0x96, + 0xc8, 0x5d, 0x1c, 0xaf, 0x64, 0x22, 0xe6, + 0x50, 0x4f, 0x47, 0x57 } }, + { .len = 12, + .c = (uint8_t[]){ 0x9b, 0xaf, 0x69, 0xcb, 0xa3, 0x17, 0xf4, + 0x22, 0xfe, 0x26, 0xa9, 0xa0 }, + .d = (uint8_t[]){ 0xfe, 0x56, 0x28, 0x7c, 0xd6, 0x57, 0xe4, + 0xaf, 0xc5, 0x0d, 0xba, 0x7a, 0x3a, 0x54, + 0xc2, 0xa6, 0x32, 0x4b, 0x88, 0x6b, 0xec, + 0xdc, 0xd1, 0xfa, 0xe4, 0x73, 0xb7, 0x69, + 0xe5, 0x51, 0xa0, 0x9b } }, + { .len = 20, + .c = (uint8_t[]){ 0xc1, 0xef, 0x39, 0xce, 0xe5, 0x8e, 0x78, + 0xf6, 0xfc, 0xdc, 0x12, 0xe0, 0x58, 0xb7, + 0xf9, 0x02, 0xac, 0xd1, 0xa9, 0x3b }, + .d = (uint8_t[]){ 0x6d, 0xd5, 0x2b, 0x0d, 0x8b, 0x48, 0xcc, + 0x81, 0x46, 0xce, 0xbd, 0x02, 0x16, 0xfb, + 0xf5, 0xf6, 0xef, 0x7e, 0xea, 0xfc, 0x0f, + 0xf2, 0xff, 0x9d, 0x14, 0x22, 0xd6, 0x34, + 0x55, 0x55, 0xa1, 0x42 } }, + { .len = 28, + .c = (uint8_t[]){ 0x07, 0x77, 0xfc, 0x1e, 0x1c, 0xa4, 0x73, + 0x04, 0xc2, 0xe2, 0x65, 0x69, 0x28, 0x38, + 0x10, 0x9e, 0x26, 0xaa, 0xb9, 0xe5, 0xc4, + 0xae, 0x4e, 0x86, 0x00, 0xdf, 0x4b, 0x1f }, + .d = (uint8_t[]){ 0xff, 0xb4, 0xfc, 0x03, 0xe0, 0x54, 0xf8, + 0xec, 0xbc, 0x31, 0x47, 0x0f, 0xc0, 0x23, + 0xbe, 0xdc, 0xd4, 0xa4, 0x06, 0xb9, 0xdd, + 0x56, 0xc7, 0x1d, 0xa1, 0xb6, 0x60, 0xdc, + 0xc4, 0x84, 0x2c, 0x65 } }, + { .len = 32, + .c = (uint8_t[]){ 0x09, 0xfc, 0x1a, 0xcc, 0xc2, 0x30, 0xa2, + 0x05, 0xe4, 0xa2, 0x08, 0xe6, 0x4a, 0x8f, + 0x20, 0x42, 0x91, 0xf5, 0x81, 0xa1, 0x27, + 0x56, 0x39, 0x2d, 0xa4, 0xb8, 0xc0, 0xcf, + 0x5e, 0xf0, 0x2b, 0x95 }, + .d = (uint8_t[]){ 0x4f, 0x44, 0xc1, 0xc7, 0xfb, 0xeb, 0xb6, + 0xf9, 0x60, 0x18, 0x29, 0xf3, 0x89, 0x7b, + 0xfd, 0x65, 0x0c, 0x56, 0xfa, 0x07, 0x84, + 0x4b, 0xe7, 0x64, 0x89, 0x07, 0x63, 0x56, + 0xac, 0x18, 0x86, 0xa4 } }, + { .len = 48, + .c = (uint8_t[]){ 0x4e, 0xef, 0x51, 0x07, 0x45, 0x9b, 0xdd, + 0xf8, 0xf2, 0x4f, 0xc7, 0x65, 0x6f, 0xd4, + 0x89, 0x6d, 0xa8, 0x71, 0x1d, 0xb5, 0x04, + 0x00, 0xc0, 0x16, 0x48, 0x47, 0xf6, 0x92, + 0xb8, 0x86, 0xce, 0x8d, 0x7f, 0x4d, 0x67, + 0x39, 0x50, 0x90, 0xb3, 0x53, 0x4e, 0xfd, + 0x7b, 0x0d, 0x29, 0x8d, 0xa3, 0x4b }, + .d = (uint8_t[]){ 0x7c, 0x5d, 0x14, 0xed, 0x83, 0xda, 0xb8, + 0x75, 0xac, 0x25, 0xce, 0x7f, 0xee, 0xd6, + 0xef, 0x83, 0x7d, 0x58, 0xe7, 0x9d, 0xc6, + 0x01, 0xfb, 0x3c, 0x1f, 0xca, 0x48, 0xd4, + 0x46, 0x4e, 0x8b, 0x83 } }, + { .len = 55, + .c = (uint8_t[]){ 0x3e, 0xbf, 0xb0, 0x6d, 0xb8, 0xc3, 0x8d, + 0x5b, 0xa0, 0x37, 0xf1, 0x36, 0x3e, 0x11, + 0x85, 0x50, 0xaa, 0xd9, 0x46, 0x06, 0xe2, + 0x68, 0x35, 0xa0, 0x1a, 0xf0, 0x50, 0x78, + 0x53, 0x3c, 0xc2, 0x5f, 0x2f, 0x39, 0x57, + 0x3c, 0x04, 0xb6, 0x32, 0xf6, 0x2f, 0x68, + 0xc2, 0x94, 0xab, 0x31, 0xf2, 0xa3, 0xe2, + 0xa1, 0xa0, 0xd8, 0xc2, 0xbe, 0x51 }, + .d = (uint8_t[]){ 0x65, 0x95, 0xa2, 0xef, 0x53, 0x7a, 0x69, + 0xba, 0x85, 0x83, 0xdf, 0xbf, 0x7f, 0x5b, + 0xec, 0x0a, 0xb1, 0xf9, 0x3c, 0xe4, 0xc8, + 0xee, 0x19, 0x16, 0xef, 0xf4, 0x4a, 0x93, + 0xaf, 0x57, 0x49, 0xc4 } }, + { .len = 56, + .c = (uint8_t[]){ 0x2d, 0x52, 0x44, 0x7d, 0x12, 0x44, 0xd2, + 0xeb, 0xc2, 0x86, 0x50, 0xe7, 0xb0, 0x56, + 0x54, 0xba, 0xd3, 0x5b, 0x3a, 0x68, 0xee, + 0xdc, 0x7f, 0x85, 0x15, 0x30, 0x6b, 0x49, + 0x6d, 0x75, 0xf3, 0xe7, 0x33, 0x85, 0xdd, + 0x1b, 0x00, 0x26, 0x25, 0x02, 0x4b, 0x81, + 0xa0, 0x2f, 0x2f, 0xd6, 0xdf, 0xfb, 0x6e, + 0x6d, 0x56, 0x1c, 0xb7, 0xd0, 0xbd, 0x7a }, + .d = (uint8_t[]){ 0xcf, 0xb8, 0x8d, 0x6f, 0xaf, 0x2d, 0xe3, + 0xa6, 0x9d, 0x36, 0x19, 0x5a, 0xce, 0xc2, + 0xe2, 0x55, 0xe2, 0xaf, 0x2b, 0x7d, 0x93, + 0x39, 0x97, 0xf3, 0x48, 0xe0, 0x9f, 0x6c, + 0xe5, 0x75, 0x83, 0x60 } }, + { .len = 63, + .c = (uint8_t[]){ 0xe2, 0xf7, 0x6e, 0x97, 0x60, 0x6a, 0x87, + 0x2e, 0x31, 0x74, 0x39, 0xf1, 0xa0, 0x3f, + 0xcd, 0x92, 0xe6, 0x32, 0xe5, 0xbd, 0x4e, + 0x7c, 0xbc, 0x4e, 0x97, 0xf1, 0xaf, 0xc1, + 0x9a, 0x16, 0xfd, 0xe9, 0x2d, 0x77, 0xcb, + 0xe5, 0x46, 0x41, 0x6b, 0x51, 0x64, 0x0c, + 0xdd, 0xb9, 0x2a, 0xf9, 0x96, 0x53, 0x4d, + 0xfd, 0x81, 0xed, 0xb1, 0x7c, 0x44, 0x24, + 0xcf, 0x1a, 0xc4, 0xd7, 0x5a, 0xce, 0xeb }, + .d = (uint8_t[]){ 0x18, 0x04, 0x1b, 0xd4, 0x66, 0x50, 0x83, + 0x00, 0x1f, 0xba, 0x8c, 0x54, 0x11, 0xd2, + 0xd7, 0x48, 0xe8, 0xab, 0xbf, 0xdc, 0xdf, + 0xd9, 0x21, 0x8c, 0xb0, 0x2b, 0x68, 0xa7, + 0x8e, 0x7d, 0x4c, 0x23 } }, + { .len = 70, + .c = (uint8_t[]){ 0xbc, 0xe5, 0x0c, 0xdf, 0xff, 0x84, 0x38, + 0x85, 0xd4, 0xf3, 0x64, 0xd6, 0x9f, 0x93, + 0xbf, 0x58, 0xa2, 0x32, 0x2c, 0x70, 0x7b, + 0x82, 0xe8, 0x78, 0xee, 0xc9, 0x6d, 0x11, + 0xe5, 0xdb, 0x97, 0xbb, 0xb5, 0x46, 0x06, + 0xa3, 0xa3, 0xcc, 0xc3, 0xbb, 0xa7, 0x16, + 0x26, 0x10, 0x70, 0xa6, 0xf7, 0x59, 0xa7, + 0x0e, 0xd3, 0xcb, 0x78, 0x5f, 0xd1, 0x35, + 0x4f, 0xe5, 0x66, 0x48, 0xdf, 0x11, 0x86, + 0x36, 0x69, 0xb7, 0x0c, 0x80, 0x3b, 0x7a }, + .d = (uint8_t[]){ 0x8c, 0xb8, 0x7d, 0x8a, 0x8e, 0x48, 0x10, + 0xcf, 0xa6, 0x07, 0x3f, 0xb2, 0x00, 0xde, + 0xe5, 0x0e, 0xf1, 0xab, 0x90, 0x08, 0xfc, + 0x9a, 0x18, 0x84, 0x25, 0x35, 0x0f, 0x00, + 0x62, 0xd6, 0xd5, 0xf2 } }, + + { .len = 163, + .c = (uint8_t[]){ 0x45, 0x11, 0x01, 0x25, 0x0e, 0xc6, 0xf2, + 0x66, 0x52, 0x24, 0x9d, 0x59, 0xdc, 0x97, + 0x4b, 0x73, 0x61, 0xd5, 0x71, 0xa8, 0x10, + 0x1c, 0xdf, 0xd3, 0x6a, 0xba, 0x3b, 0x58, + 0x54, 0xd3, 0xae, 0x08, 0x6b, 0x5f, 0xdd, + 0x45, 0x97, 0x72, 0x1b, 0x66, 0xe3, 0xc0, + 0xdc, 0x5d, 0x8c, 0x60, 0x6d, 0x96, 0x57, + 0xd0, 0xe3, 0x23, 0x28, 0x3a, 0x52, 0x17, + 0xd1, 0xf5, 0x3f, 0x2f, 0x28, 0x4f, 0x57, + 0xb8, 0x5c, 0x8a, 0x61, 0xac, 0x89, 0x24, + 0x71, 0x1f, 0x89, 0x5c, 0x5e, 0xd9, 0x0e, + 0xf1, 0x77, 0x45, 0xed, 0x2d, 0x72, 0x8a, + 0xbd, 0x22, 0xa5, 0xf7, 0xa1, 0x34, 0x79, + 0xa4, 0x62, 0xd7, 0x1b, 0x56, 0xc1, 0x9a, + 0x74, 0xa4, 0x0b, 0x65, 0x5c, 0x58, 0xed, + 0xfe, 0x0a, 0x18, 0x8a, 0xd2, 0xcf, 0x46, + 0xcb, 0xf3, 0x05, 0x24, 0xf6, 0x5d, 0x42, + 0x3c, 0x83, 0x7d, 0xd1, 0xff, 0x2b, 0xf4, + 0x62, 0xac, 0x41, 0x98, 0x00, 0x73, 0x45, + 0xbb, 0x44, 0xdb, 0xb7, 0xb1, 0xc8, 0x61, + 0x29, 0x8c, 0xdf, 0x61, 0x98, 0x2a, 0x83, + 0x3a, 0xfc, 0x72, 0x8f, 0xae, 0x1e, 0xda, + 0x2f, 0x87, 0xaa, 0x2c, 0x94, 0x80, 0x85, + 0x8b, 0xec }, + .d = (uint8_t[]){ 0x3c, 0x59, 0x3a, 0xa5, 0x39, 0xfd, 0xcd, + 0xae, 0x51, 0x6c, 0xdf, 0x2f, 0x15, 0x00, + 0x0f, 0x66, 0x34, 0x18, 0x5c, 0x88, 0xf5, + 0x05, 0xb3, 0x97, 0x75, 0xfb, 0x9a, 0xb1, + 0x37, 0xa1, 0x0a, 0xa2 } } + }; + for (size_t i = 0; i < ARRAY_SIZE(sha256_v); i++) { + struct sha256_digest sha256; + struct sha256_ctx ctx; + + memset(&sha256, 0, sizeof(sha256)); + SHA256_sw_hash(sha256_v[i].c, sha256_v[i].len, &sha256); + + CPRINTS("SHA256_sw_hash test %zu, len=%zu, %s", i, + sha256_v[i].len, + smemcmp(sha256.b8, sha256_v[i].d, SHA256_DIGEST_SIZE)); + + memset(&sha256, 0, sizeof(sha256)); + SHA256_hw_hash(sha256_v[i].c, sha256_v[i].len, &sha256); + CPRINTS("SHA256_hw_hash test %zu, len=%zu, %s", i, + sha256_v[i].len, + smemcmp(sha256.b8, sha256_v[i].d, SHA256_DIGEST_SIZE)); + + SHA256_hw_init(&ctx); + SHA256_update(&ctx, sha256_v[i].c, sha256_v[i].len); + CPRINTS("SHA256_hw_init test %zu, len=%zu, %s", i, + sha256_v[i].len, + smemcmp(SHA256_final(&ctx)->b8, sha256_v[i].d, + SHA256_DIGEST_SIZE)); + + /* Test the path when sha hw is taken. */ + dcrypto_grab_sha_hw(); + memset(&sha256, 0, sizeof(sha256)); + SHA256_hw_hash(sha256_v[i].c, sha256_v[i].len, &sha256); + CPRINTS("SHA256_hw_hash test (sw path) %zu, len=%zu, %s", i, + sha256_v[i].len, + smemcmp(sha256.b8, sha256_v[i].d, SHA256_DIGEST_SIZE)); + dcrypto_release_sha_hw(); + cflush(); + } + return EC_SUCCESS; +} +DECLARE_SAFE_CONSOLE_COMMAND(sha256_test, cmd_sha256_test, NULL, NULL); +#endif + +#if HMAC_SHA256_TEST +static int cmd_hmac_sha256(int argc, char *argv[]) +{ + const struct hmac_test hmac_sha256_v[] = { + { .klen = 10, + .k = (uint8_t[]){ 0x65, 0x74, 0x61, 0x6f, 0x6e, 0x72, 0x69, + 0x73, 0x68, 0x64 }, + .len = 11, + .c = (uint8_t[]){ 0x53, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x20, + 0x74, 0x65, 0x78, 0x74 }, + .d = (uint8_t[]){ 0xe9, 0x17, 0xc1, 0x7b, 0x4c, 0x6b, 0x77, + 0xda, 0xd2, 0x30, 0x36, 0x02, 0xf5, 0x72, + 0x33, 0x87, 0x9f, 0xc6, 0x6e, 0x7b, 0x7e, + 0xa8, 0xea, 0xaa, 0x9f, 0xba, 0xee, 0x51, + 0xff, 0xda, 0x24, 0xf4 } }, + { .klen = 40, + .k = (uint8_t[]){ 0x97, 0x79, 0xd9, 0x12, 0x06, 0x42, 0x79, + 0x7f, 0x17, 0x47, 0x02, 0x5d, 0x5b, 0x22, + 0xb7, 0xac, 0x60, 0x7c, 0xab, 0x08, 0xe1, + 0x75, 0x8f, 0x2f, 0x3a, 0x46, 0xc8, 0xbe, + 0x1e, 0x25, 0xc5, 0x3b, 0x8c, 0x6a, 0x8f, + 0x58, 0xff, 0xef, 0xa1, 0x76 }, + .len = 128, + .c = (uint8_t[]){ 0xb1, 0x68, 0x9c, 0x25, 0x91, 0xea, 0xf3, + 0xc9, 0xe6, 0x60, 0x70, 0xf8, 0xa7, 0x79, + 0x54, 0xff, 0xb8, 0x17, 0x49, 0xf1, 0xb0, + 0x03, 0x46, 0xf9, 0xdf, 0xe0, 0xb2, 0xee, + 0x90, 0x5d, 0xcc, 0x28, 0x8b, 0xaf, 0x4a, + 0x92, 0xde, 0x3f, 0x40, 0x01, 0xdd, 0x9f, + 0x44, 0xc4, 0x68, 0xc3, 0xd0, 0x7d, 0x6c, + 0x6e, 0xe8, 0x2f, 0xac, 0xea, 0xfc, 0x97, + 0xc2, 0xfc, 0x0f, 0xc0, 0x60, 0x17, 0x19, + 0xd2, 0xdc, 0xd0, 0xaa, 0x2a, 0xec, 0x92, + 0xd1, 0xb0, 0xae, 0x93, 0x3c, 0x65, 0xeb, + 0x06, 0xa0, 0x3c, 0x9c, 0x93, 0x5c, 0x2b, + 0xad, 0x04, 0x59, 0x81, 0x02, 0x41, 0x34, + 0x7a, 0xb8, 0x7e, 0x9f, 0x11, 0xad, 0xb3, + 0x04, 0x15, 0x42, 0x4c, 0x6c, 0x7f, 0x5f, + 0x22, 0xa0, 0x03, 0xb8, 0xab, 0x8d, 0xe5, + 0x4f, 0x6d, 0xed, 0x0e, 0x3a, 0xb9, 0x24, + 0x5f, 0xa7, 0x95, 0x68, 0x45, 0x1d, 0xfa, + 0x25, 0x8e }, + .d = (uint8_t[]){ 0x76, 0x9f, 0x00, 0xd3, 0xe6, 0xa6, 0xcc, + 0x1f, 0xb4, 0x26, 0xa1, 0x4a, 0x4f, 0x76, + 0xc6, 0x46, 0x2e, 0x61, 0x49, 0x72, 0x6e, + 0x0d, 0xee, 0x0e, 0xc0, 0xcf, 0x97, 0xa1, + 0x66, 0x05, 0xac, 0x8b } }, + { .klen = 45, + .k = (uint8_t[]){ 0xb7, 0x63, 0x26, 0x3d, 0xc4, 0xfc, 0x62, + 0xb2, 0x27, 0xcd, 0x3f, 0x6b, 0x4e, 0x9e, + 0x35, 0x8c, 0x21, 0xca, 0x03, 0x6c, 0xe3, + 0x96, 0xab, 0x92, 0x59, 0xc1, 0xbe, 0xdd, + 0x2f, 0x5c, 0xd9, 0x02, 0x97, 0xdc, 0x70, + 0x3c, 0x33, 0x6e, 0xca, 0x3e, 0x35, 0x8a, + 0x4d, 0x6d, 0xc5 }, + .len = 128, + .c = (uint8_t[]){ 0x53, 0xcb, 0x09, 0xd0, 0xa7, 0x88, 0xe4, + 0x46, 0x6d, 0x01, 0x58, 0x8d, 0xf6, 0x94, + 0x5d, 0x87, 0x28, 0xd9, 0x36, 0x3f, 0x76, + 0xcd, 0x01, 0x2a, 0x10, 0x30, 0x8d, 0xad, + 0x56, 0x2b, 0x6b, 0xe0, 0x93, 0x36, 0x48, + 0x92, 0xe8, 0x39, 0x7a, 0x8d, 0x86, 0xf1, + 0xd8, 0x1a, 0x20, 0x96, 0xcf, 0xc8, 0xa1, + 0xbb, 0xb2, 0x6a, 0x1a, 0x75, 0x52, 0x5f, + 0xfe, 0xbf, 0xcf, 0x16, 0x91, 0x1d, 0xad, + 0xd0, 0x9e, 0x80, 0x2a, 0xa8, 0x68, 0x6a, + 0xcf, 0xd1, 0xe4, 0x52, 0x46, 0x20, 0x25, + 0x4a, 0x6b, 0xca, 0x18, 0xdf, 0xa5, 0x6e, + 0x71, 0x41, 0x77, 0x56, 0xe5, 0xa4, 0x52, + 0xfa, 0x9a, 0xe5, 0xae, 0xc5, 0xdc, 0x71, + 0x59, 0x1c, 0x11, 0x63, 0x0e, 0x9d, 0xef, + 0xec, 0x49, 0xa4, 0xec, 0xf8, 0x5a, 0x14, + 0xf6, 0x0e, 0xb8, 0x54, 0x65, 0x78, 0x99, + 0x97, 0x2e, 0xa5, 0xbf, 0x61, 0x59, 0xcb, + 0x95, 0x47 }, + .d = (uint8_t[]){ 0x73, 0x73, 0x01, 0xde, 0xa9, 0x3d, 0xb6, + 0xbc, 0xba, 0xdd, 0x7b, 0xf7, 0x96, 0x69, + 0x39, 0x61, 0x31, 0x7c, 0xa6, 0x80, 0xb3, + 0x80, 0x41, 0x6f, 0x12, 0xf4, 0x66, 0xf0, + 0x65, 0x26, 0xb3, 0x6b } }, + { .klen = 64, + .k = (uint8_t[]){ 0x99, 0x28, 0x68, 0x50, 0x4d, 0x25, 0x64, + 0xc4, 0xfb, 0x47, 0xbc, 0xbd, 0x4a, 0xe4, + 0x82, 0xd8, 0xfb, 0x0e, 0x8e, 0x56, 0xd7, + 0xb8, 0x18, 0x64, 0xe6, 0x19, 0x86, 0xa0, + 0xe2, 0x56, 0x82, 0xda, 0xeb, 0x5b, 0x50, + 0x17, 0x7c, 0x09, 0x5e, 0xdc, 0x9e, 0x97, + 0x1d, 0xa9, 0x5c, 0x32, 0x10, 0xc3, 0x76, + 0xe7, 0x23, 0x36, 0x5a, 0xc3, 0x3d, 0x1b, + 0x4f, 0x39, 0x18, 0x17, 0xf4, 0xc3, 0x51, + 0x24 }, + .len = 128, + .c = (uint8_t[]){ 0xed, 0x4f, 0x26, 0x9a, 0x88, 0x51, 0xeb, + 0x31, 0x54, 0x77, 0x15, 0x16, 0xb2, 0x72, + 0x28, 0x15, 0x52, 0x00, 0x77, 0x80, 0x49, + 0xb2, 0xdc, 0x19, 0x63, 0xf3, 0xac, 0x32, + 0xba, 0x46, 0xea, 0x13, 0x87, 0xcf, 0xbb, + 0x9c, 0x39, 0x15, 0x1a, 0x2c, 0xc4, 0x06, + 0xcd, 0xc1, 0x3c, 0x3c, 0x98, 0x60, 0xa2, + 0x7e, 0xb0, 0xb7, 0xfe, 0x8a, 0x72, 0x01, + 0xad, 0x11, 0x55, 0x2a, 0xfd, 0x04, 0x1e, + 0x33, 0xf7, 0x0e, 0x53, 0xd9, 0x7c, 0x62, + 0xf1, 0x71, 0x94, 0xb6, 0x61, 0x17, 0x02, + 0x8f, 0xa9, 0x07, 0x1c, 0xc0, 0xe0, 0x4b, + 0xd9, 0x2d, 0xe4, 0x97, 0x2c, 0xd5, 0x4f, + 0x71, 0x90, 0x10, 0xa6, 0x94, 0xe4, 0x14, + 0xd4, 0x97, 0x7a, 0xbe, 0xd7, 0xca, 0x6b, + 0x90, 0xba, 0x61, 0x2d, 0xf6, 0xc3, 0xd4, + 0x67, 0xcd, 0xed, 0x85, 0x03, 0x25, 0x98, + 0xa4, 0x85, 0x46, 0x80, 0x4f, 0x9c, 0xf2, + 0xec, 0xfe }, + .d = (uint8_t[]){ 0x2f, 0x83, 0x21, 0xf4, 0x16, 0xb9, 0xbb, + 0x24, 0x9f, 0x11, 0x3b, 0x13, 0xfc, 0x12, + 0xd7, 0x0e, 0x16, 0x68, 0xdc, 0x33, 0x28, + 0x39, 0xc1, 0x0d, 0xaa, 0x57, 0x17, 0x89, + 0x6c, 0xb7, 0x0d, 0xdf } }, + { .klen = 70, + .k = (uint8_t[]){ 0xbc, 0xe5, 0x0c, 0xdf, 0xff, 0x84, 0x38, + 0x85, 0xd4, 0xf3, 0x64, 0xd6, 0x9f, 0x93, + 0xbf, 0x58, 0xa2, 0x32, 0x2c, 0x70, 0x7b, + 0x82, 0xe8, 0x78, 0xee, 0xc9, 0x6d, 0x11, + 0xe5, 0xdb, 0x97, 0xbb, 0xb5, 0x46, 0x06, + 0xa3, 0xa3, 0xcc, 0xc3, 0xbb, 0xa7, 0x16, + 0x26, 0x10, 0x70, 0xa6, 0xf7, 0x59, 0xa7, + 0x0e, 0xd3, 0xcb, 0x78, 0x5f, 0xd1, 0x35, + 0x4f, 0xe5, 0x66, 0x48, 0xdf, 0x11, 0x86, + 0x36, 0x69, 0xb7, 0x0c, 0x80, 0x3b, 0x7a }, + .len = 128, + .c = (uint8_t[]){ 0x93, 0xb7, 0xef, 0x0e, 0x47, 0x0d, 0xdf, + 0xac, 0x6a, 0xef, 0x93, 0xc0, 0xdc, 0xd3, + 0x7b, 0x8f, 0x1c, 0x4b, 0xaf, 0x5e, 0xad, + 0xd9, 0x78, 0xe3, 0xbf, 0x05, 0x12, 0xfa, + 0x0b, 0xae, 0xb0, 0x99, 0xff, 0x9e, 0xc1, + 0x06, 0x1b, 0x61, 0x72, 0x47, 0x9b, 0x56, + 0x74, 0xdb, 0x56, 0x06, 0xff, 0xa7, 0xe6, + 0xb5, 0x17, 0x33, 0x09, 0x37, 0x0e, 0x16, + 0x47, 0x05, 0x4a, 0xaf, 0xd5, 0x90, 0x48, + 0x16, 0xba, 0xd5, 0xe1, 0x52, 0x30, 0x32, + 0xcc, 0xcd, 0x4d, 0x78, 0x65, 0x05, 0xe2, + 0x41, 0xac, 0x83, 0xa4, 0x84, 0x91, 0x11, + 0x89, 0x66, 0x6f, 0x28, 0x75, 0x53, 0xd6, + 0xa8, 0x16, 0x4e, 0x8d, 0xcb, 0x0c, 0x85, + 0xd7, 0x5c, 0x4e, 0x29, 0xf6, 0x24, 0xc9, + 0x7c, 0xee, 0xa6, 0x4a, 0x2c, 0x8b, 0x0c, + 0x9d, 0xdf, 0xa5, 0x60, 0xf7, 0x0f, 0xa3, + 0xff, 0x91, 0x18, 0x3e, 0x4b, 0x96, 0x8f, + 0x88, 0xa1 }, + .d = (uint8_t[]){ 0x37, 0xf9, 0xf3, 0x29, 0x18, 0x30, 0x82, + 0x10, 0x84, 0x9d, 0xfe, 0xbf, 0x8d, 0xd4, + 0x56, 0x80, 0x4b, 0xab, 0xd6, 0x84, 0x5a, + 0xf0, 0x72, 0x18, 0xf9, 0xd9, 0xbe, 0x9d, + 0xf9, 0x74, 0x3d, 0x55 } } + }; + + for (size_t i = 0; i < ARRAY_SIZE(hmac_sha256_v); i++) { + struct hmac_sha256_ctx ctx; + + HMAC_SHA256_sw_init(&ctx, hmac_sha256_v[i].k, + hmac_sha256_v[i].klen); + HMAC_SHA256_update(&ctx, hmac_sha256_v[i].c, + hmac_sha256_v[i].len); + CPRINTS("HMAC SHA256_sw_init test %zu, klen=%zu, len=%zu, %s", + i, hmac_sha256_v[i].klen, hmac_sha256_v[i].len, + smemcmp(HMAC_SHA256_final(&ctx)->b8, hmac_sha256_v[i].d, + SHA256_DIGEST_SIZE)); + + HMAC_SHA256_hw_init(&ctx, hmac_sha256_v[i].k, + hmac_sha256_v[i].klen); + HMAC_SHA256_update(&ctx, hmac_sha256_v[i].c, + hmac_sha256_v[i].len); + CPRINTS("HMAC SHA256_hw_init test %zu, klen=%zu, len=%zu, %s", + i, hmac_sha256_v[i].klen, hmac_sha256_v[i].len, + smemcmp(HMAC_SHA256_final(&ctx)->b8, hmac_sha256_v[i].d, + SHA256_DIGEST_SIZE)); + + /* Test the path when sha hw is taken. */ + dcrypto_grab_sha_hw(); + HMAC_SHA256_hw_init(&ctx, hmac_sha256_v[i].k, + hmac_sha256_v[i].klen); + HMAC_SHA256_update(&ctx, hmac_sha256_v[i].c, + hmac_sha256_v[i].len); + CPRINTS("HMAC SHA256_hw_init(sw) test %zu, klen=%zu," + " len=%zu, %s", + i, hmac_sha256_v[i].klen, hmac_sha256_v[i].len, + smemcmp(HMAC_SHA256_final(&ctx)->b8, hmac_sha256_v[i].d, + SHA256_DIGEST_SIZE)); + dcrypto_release_sha_hw(); + cflush(); + } + return EC_SUCCESS; } +DECLARE_SAFE_CONSOLE_COMMAND(hmac_sha256, cmd_hmac_sha256, NULL, NULL); +#endif + +#endif |