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b7dffd9259
Revertedd343e2c4a0andee26805138Adds a test to decide whatever conversion technique to use. If all UTF8 characters are 7 bit, there's no need for regular conversion and we can stick to naive conversion.
136 lines
6.5 KiB
C
136 lines
6.5 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#ifndef _INC_HASH_SHA256_H
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#define _INC_HASH_SHA256_H
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#define SHIFT_RIGHT_32(x,n) ((x) >> (n))
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#define SHA256_S0_S(x) (hc_rotl32_S ((x), 25u) ^ hc_rotl32_S ((x), 14u) ^ SHIFT_RIGHT_32 ((x), 3u))
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#define SHA256_S1_S(x) (hc_rotl32_S ((x), 15u) ^ hc_rotl32_S ((x), 13u) ^ SHIFT_RIGHT_32 ((x), 10u))
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#define SHA256_S2_S(x) (hc_rotl32_S ((x), 30u) ^ hc_rotl32_S ((x), 19u) ^ hc_rotl32_S ((x), 10u))
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#define SHA256_S3_S(x) (hc_rotl32_S ((x), 26u) ^ hc_rotl32_S ((x), 21u) ^ hc_rotl32_S ((x), 7u))
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#define SHA256_S0(x) (hc_rotl32 ((x), 25u) ^ hc_rotl32 ((x), 14u) ^ SHIFT_RIGHT_32 ((x), 3u))
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#define SHA256_S1(x) (hc_rotl32 ((x), 15u) ^ hc_rotl32 ((x), 13u) ^ SHIFT_RIGHT_32 ((x), 10u))
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#define SHA256_S2(x) (hc_rotl32 ((x), 30u) ^ hc_rotl32 ((x), 19u) ^ hc_rotl32 ((x), 10u))
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#define SHA256_S3(x) (hc_rotl32 ((x), 26u) ^ hc_rotl32 ((x), 21u) ^ hc_rotl32 ((x), 7u))
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#define SHA256_F0(x,y,z) (((x) & (y)) | ((z) & ((x) ^ (y))))
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#define SHA256_F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
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#ifdef USE_BITSELECT
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#define SHA256_F0o(x,y,z) (bitselect ((x), (y), ((x) ^ (z))))
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#define SHA256_F1o(x,y,z) (bitselect ((z), (y), (x)))
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#else
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#define SHA256_F0o(x,y,z) (SHA256_F0 ((x), (y), (z)))
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#define SHA256_F1o(x,y,z) (SHA256_F1 ((x), (y), (z)))
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#endif
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#define SHA256_STEP_S(F0,F1,a,b,c,d,e,f,g,h,x,K) \
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{ \
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h = hc_add3_S (h, K, x); \
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h = hc_add3_S (h, SHA256_S3_S (e), F1 (e,f,g)); \
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d += h; \
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h = hc_add3_S (h, SHA256_S2_S (a), F0 (a,b,c)); \
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}
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#define SHA256_EXPAND_S(x,y,z,w) (SHA256_S1_S (x) + y + SHA256_S0_S (z) + w)
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#define SHA256_STEP(F0,F1,a,b,c,d,e,f,g,h,x,K) \
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{ \
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h = hc_add3 (h, K, x); \
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h = hc_add3 (h, SHA256_S3 (e), F1 (e,f,g)); \
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d += h; \
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h = hc_add3 (h, SHA256_S2 (a), F0 (a,b,c)); \
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}
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#define SHA256_EXPAND(x,y,z,w) (SHA256_S1 (x) + y + SHA256_S0 (z) + w)
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typedef struct sha256_ctx
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{
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u32 h[8];
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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int len;
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} sha256_ctx_t;
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typedef struct sha256_hmac_ctx
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{
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sha256_ctx_t ipad;
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sha256_ctx_t opad;
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} sha256_hmac_ctx_t;
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typedef struct sha256_ctx_vector
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{
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u32x h[8];
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u32x w0[4];
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u32x w1[4];
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u32x w2[4];
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u32x w3[4];
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int len;
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} sha256_ctx_vector_t;
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typedef struct sha256_hmac_ctx_vector
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{
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sha256_ctx_vector_t ipad;
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sha256_ctx_vector_t opad;
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} sha256_hmac_ctx_vector_t;
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DECLSPEC void sha256_transform (const u32 *w0, const u32 *w1, const u32 *w2, const u32 *w3, u32 *digest);
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DECLSPEC void sha256_init (sha256_ctx_t *ctx);
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DECLSPEC void sha256_update_64 (sha256_ctx_t *ctx, u32 *w0, u32 *w1, u32 *w2, u32 *w3, const int len);
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DECLSPEC void sha256_update (sha256_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_update_swap (sha256_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_update_utf16le (sha256_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_update_utf16le_swap (sha256_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_update_global (sha256_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_update_global_swap (sha256_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_update_global_utf16le (sha256_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_update_global_utf16le_swap (sha256_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_final (sha256_ctx_t *ctx);
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DECLSPEC void sha256_hmac_init_64 (sha256_hmac_ctx_t *ctx, const u32 *w0, const u32 *w1, const u32 *w2, const u32 *w3);
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DECLSPEC void sha256_hmac_init (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_init_swap (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_init_global (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_init_global_swap (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_64 (sha256_hmac_ctx_t *ctx, u32 *w0, u32 *w1, u32 *w2, u32 *w3, const int len);
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DECLSPEC void sha256_hmac_update (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_swap (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_utf16le (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_utf16le_swap (sha256_hmac_ctx_t *ctx, const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_global (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_global_swap (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_global_utf16le (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_update_global_utf16le_swap (sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void sha256_hmac_final (sha256_hmac_ctx_t *ctx);
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DECLSPEC void sha256_transform_vector (const u32x *w0, const u32x *w1, const u32x *w2, const u32x *w3, u32x *digest);
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DECLSPEC void sha256_init_vector (sha256_ctx_vector_t *ctx);
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DECLSPEC void sha256_init_vector_from_scalar (sha256_ctx_vector_t *ctx, sha256_ctx_t *ctx0);
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DECLSPEC void sha256_update_vector_64 (sha256_ctx_vector_t *ctx, u32x *w0, u32x *w1, u32x *w2, u32x *w3, const int len);
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DECLSPEC void sha256_update_vector (sha256_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_update_vector_swap (sha256_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_update_vector_utf16le (sha256_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_update_vector_utf16le_swap (sha256_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_update_vector_utf16beN (sha256_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_final_vector (sha256_ctx_vector_t *ctx);
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DECLSPEC void sha256_hmac_init_vector_64 (sha256_hmac_ctx_vector_t *ctx, const u32x *w0, const u32x *w1, const u32x *w2, const u32x *w3);
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DECLSPEC void sha256_hmac_init_vector (sha256_hmac_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_hmac_update_vector_64 (sha256_hmac_ctx_vector_t *ctx, u32x *w0, u32x *w1, u32x *w2, u32x *w3, const int len);
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DECLSPEC void sha256_hmac_update_vector (sha256_hmac_ctx_vector_t *ctx, const u32x *w, const int len);
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DECLSPEC void sha256_hmac_final_vector (sha256_hmac_ctx_vector_t *ctx);
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#endif
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