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- /*
- * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- */
- #include "soc/soc_caps.h"
- #include "hal/sha_types.h"
- #if SOC_SHA_SUPPORTED
- #define PUT_UINT32_BE(n,b,i) \
- { \
- (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
- (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
- (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
- (b)[(i) + 3] = (unsigned char) ( (n) ); \
- }
- #define PUT_UINT64_BE(n,b,i) \
- { \
- (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
- (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
- (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
- (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
- (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
- (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
- (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
- (b)[(i) + 7] = (unsigned char) ( (n) ); \
- }
- #define BUFFER_SZ 1030 // NB: not an exact multiple of SHA block size
- static inline size_t block_length(esp_sha_type type)
- {
- switch (type) {
- case SHA1:
- case SHA2_224:
- case SHA2_256:
- return 64;
- #if SOC_SHA_SUPPORT_SHA384
- case SHA2_384:
- #endif
- #if SOC_SHA_SUPPORT_SHA512
- case SHA2_512:
- #endif
- #if SOC_SHA_SUPPORT_SHA512_T
- case SHA2_512224:
- case SHA2_512256:
- case SHA2_512T:
- #endif
- return 128;
- default:
- return 0;
- }
- }
- #if defined(SOC_SHA_SUPPORT_SHA1)
- static const unsigned char sha1_padding[64] = {
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- typedef struct {
- uint32_t total[2]; /*!< number of bytes processed */
- uint32_t state[5]; /*!< intermediate digest state */
- unsigned char buffer[64]; /*!< data block being processed */
- int first_block; /*!< if first then true else false */
- } sha1_ctx;
- #endif /* defined(SOC_SHA_SUPPORT_SHA1) */
- #if defined(SOC_SHA_SUPPORT_SHA224) || defined(SOC_SHA_SUPPORT_SHA256)
- static const unsigned char sha256_padding[64] = {
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- typedef struct {
- uint32_t total[2]; /*!< number of bytes processed */
- uint32_t state[8]; /*!< intermediate digest state */
- unsigned char buffer[64]; /*!< data block being processed */
- int first_block; /*!< if first then true, else false */
- } sha256_ctx;
- #endif /* defined(SOC_SHA_SUPPORT_SHA224) || defined(SOC_SHA_SUPPORT_SHA256) */
- #if defined(SOC_SHA_SUPPORT_SHA384) || defined(SOC_SHA_SUPPORT_SHA512)
- static const unsigned char sha512_padding[128] = {
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- typedef struct {
- uint64_t total[2]; /*!< number of bytes processed */
- uint64_t state[8]; /*!< intermediate digest state */
- unsigned char buffer[128]; /*!< data block being processed */
- int first_block;
- uint32_t t_val; /*!< t_val for 512/t mode */
- } sha512_ctx;
- #if SOC_SHA_SUPPORT_SHA512_T
- int sha_512_t_init_hash_block(uint16_t t);
- /*
- * FIPS-180-2 test vectors
- */
- static const unsigned char sha512T_test_buf[2][113] = {
- { "abc" },
- {
- "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
- "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
- }
- };
- static const size_t sha512T_test_buflen[2] = {
- 3, 112
- };
- static const esp_sha_type sha512T_algo[4] = {
- SHA2_512224, SHA2_512256, SHA2_512T, SHA2_512T
- };
- static const size_t sha512T_t_len[4] = { 224, 256, 224, 256 };
- static const unsigned char sha512_test_sum[4][32] = {
- /* SHA512-224 */
- {
- 0x46, 0x34, 0x27, 0x0f, 0x70, 0x7b, 0x6a, 0x54,
- 0xda, 0xae, 0x75, 0x30, 0x46, 0x08, 0x42, 0xe2,
- 0x0e, 0x37, 0xed, 0x26, 0x5c, 0xee, 0xe9, 0xa4,
- 0x3e, 0x89, 0x24, 0xaa
- },
- {
- 0x23, 0xfe, 0xc5, 0xbb, 0x94, 0xd6, 0x0b, 0x23,
- 0x30, 0x81, 0x92, 0x64, 0x0b, 0x0c, 0x45, 0x33,
- 0x35, 0xd6, 0x64, 0x73, 0x4f, 0xe4, 0x0e, 0x72,
- 0x68, 0x67, 0x4a, 0xf9
- },
- /* SHA512-256 */
- {
- 0x53, 0x04, 0x8e, 0x26, 0x81, 0x94, 0x1e, 0xf9,
- 0x9b, 0x2e, 0x29, 0xb7, 0x6b, 0x4c, 0x7d, 0xab,
- 0xe4, 0xc2, 0xd0, 0xc6, 0x34, 0xfc, 0x6d, 0x46,
- 0xe0, 0xe2, 0xf1, 0x31, 0x07, 0xe7, 0xaf, 0x23
- },
- {
- 0x39, 0x28, 0xe1, 0x84, 0xfb, 0x86, 0x90, 0xf8,
- 0x40, 0xda, 0x39, 0x88, 0x12, 0x1d, 0x31, 0xbe,
- 0x65, 0xcb, 0x9d, 0x3e, 0xf8, 0x3e, 0xe6, 0x14,
- 0x6f, 0xea, 0xc8, 0x61, 0xe1, 0x9b, 0x56, 0x3a
- }
- /* For SHA512_T testing we use t=224 & t=256
- * so the hash digest should be same as above
- */
- };
- #endif //SOC_SHA_SUPPORT_SHA512_T
- #endif /* defined(SOC_SHA_SUPPORT_SHA384) || defined(SOC_SHA_SUPPORT_SHA512) */
- #endif /* SOC_SHA_SUPPORTED */
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