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97 lines
3.8 KiB
C
97 lines
3.8 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_BLAKE2S_H
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#define INC_HASH_BLAKE2S_H
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#define BLAKE2S_UPDATE 0
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#define BLAKE2S_FINAL -1
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DECLSPEC u32 blake2s_rot16_S (const u32 a);
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DECLSPEC u32x blake2s_rot16 (const u32x a);
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DECLSPEC u32 blake2s_rot08_S (const u32 a);
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DECLSPEC u32x blake2s_rot08 (const u32x a);
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#define BLAKE2S_G(k0,k1,a,b,c,d) \
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{ \
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a = a + b + m[k0]; \
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d = blake2s_rot16_S (d ^ a); \
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c = c + d; \
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b = hc_rotr32_S (b ^ c, 12); \
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a = a + b + m[k1]; \
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d = blake2s_rot08_S (d ^ a); \
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c = c + d; \
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b = hc_rotr32_S (b ^ c, 7); \
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}
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#define BLAKE2S_ROUND(c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,ca,cb,cc,cd,ce,cf) \
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{ \
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BLAKE2S_G (c0, c1, v[0], v[4], v[ 8], v[12]); \
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BLAKE2S_G (c2, c3, v[1], v[5], v[ 9], v[13]); \
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BLAKE2S_G (c4, c5, v[2], v[6], v[10], v[14]); \
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BLAKE2S_G (c6, c7, v[3], v[7], v[11], v[15]); \
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BLAKE2S_G (c8, c9, v[0], v[5], v[10], v[15]); \
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BLAKE2S_G (ca, cb, v[1], v[6], v[11], v[12]); \
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BLAKE2S_G (cc, cd, v[2], v[7], v[ 8], v[13]); \
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BLAKE2S_G (ce, cf, v[3], v[4], v[ 9], v[14]); \
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}
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#define BLAKE2S_G_VECTOR(k0,k1,a,b,c,d) \
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{ \
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a = a + b + m[k0]; \
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d = blake2s_rot16 (d ^ a); \
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c = c + d; \
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b = hc_rotr32 (b ^ c, 12); \
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a = a + b + m[k1]; \
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d = blake2s_rot08 (d ^ a); \
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c = c + d; \
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b = hc_rotr32 (b ^ c, 7); \
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}
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#define BLAKE2S_ROUND_VECTOR(c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,ca,cb,cc,cd,ce,cf) \
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{ \
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BLAKE2S_G_VECTOR (c0, c1, v[0], v[4], v[ 8], v[12]); \
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BLAKE2S_G_VECTOR (c2, c3, v[1], v[5], v[ 9], v[13]); \
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BLAKE2S_G_VECTOR (c4, c5, v[2], v[6], v[10], v[14]); \
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BLAKE2S_G_VECTOR (c6, c7, v[3], v[7], v[11], v[15]); \
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BLAKE2S_G_VECTOR (c8, c9, v[0], v[5], v[10], v[15]); \
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BLAKE2S_G_VECTOR (ca, cb, v[1], v[6], v[11], v[12]); \
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BLAKE2S_G_VECTOR (cc, cd, v[2], v[7], v[ 8], v[13]); \
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BLAKE2S_G_VECTOR (ce, cf, v[3], v[4], v[ 9], v[14]); \
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}
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typedef struct blake2s_ctx
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{
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u32 m[16]; // buffer
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u32 h[ 8]; // digest
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int len;
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} blake2s_ctx_t;
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typedef struct blake2s_ctx_vector
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{
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u32x m[16]; // buffer
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u32x h[ 8]; // digest
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int len;
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} blake2s_ctx_vector_t;
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DECLSPEC void blake2s_transform (PRIVATE_AS u32 *h, PRIVATE_AS const u32 *m, const int len, const u32 f0);
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DECLSPEC void blake2s_init (PRIVATE_AS blake2s_ctx_t *ctx);
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DECLSPEC void blake2s_update (PRIVATE_AS blake2s_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len);
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DECLSPEC void blake2s_update_global (PRIVATE_AS blake2s_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void blake2s_final (PRIVATE_AS blake2s_ctx_t *ctx);
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DECLSPEC void blake2s_transform_vector (PRIVATE_AS u32x *h, PRIVATE_AS const u32x *m, const u32x len, const u32 f0);
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DECLSPEC void blake2s_init_vector (PRIVATE_AS blake2s_ctx_vector_t *ctx);
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DECLSPEC void blake2s_init_vector_from_scalar (PRIVATE_AS blake2s_ctx_vector_t *ctx, PRIVATE_AS blake2s_ctx_t *ctx0);
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DECLSPEC void blake2s_update_vector (PRIVATE_AS blake2s_ctx_vector_t *ctx, PRIVATE_AS const u32x *w, const int len);
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DECLSPEC void blake2s_final_vector (PRIVATE_AS blake2s_ctx_vector_t *ctx);
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#endif // INC_HASH_BLAKE2S_H
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