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100 lines
3.9 KiB
C
100 lines
3.9 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_BLAKE2B_H
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#define INC_HASH_BLAKE2B_H
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#define BLAKE2B_UPDATE 0
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#define BLAKE2B_FINAL -1
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DECLSPEC u64 blake2b_rot16_S (const u64 a);
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DECLSPEC u64x blake2b_rot16 (const u64x a);
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DECLSPEC u64 blake2b_rot24_S (const u64 a);
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DECLSPEC u64x blake2b_rot24 (const u64x a);
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DECLSPEC u64 blake2b_rot32_S (const u64 a);
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DECLSPEC u64x blake2b_rot32 (const u64x a);
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#define BLAKE2B_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 = blake2b_rot32_S (d ^ a); \
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c = c + d; \
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b = blake2b_rot24_S (b ^ c); \
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a = a + b + m[k1]; \
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d = blake2b_rot16_S (d ^ a); \
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c = c + d; \
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b = hc_rotr64_S (b ^ c, 63); \
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}
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#define BLAKE2B_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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BLAKE2B_G (c0, c1, v[0], v[4], v[ 8], v[12]); \
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BLAKE2B_G (c2, c3, v[1], v[5], v[ 9], v[13]); \
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BLAKE2B_G (c4, c5, v[2], v[6], v[10], v[14]); \
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BLAKE2B_G (c6, c7, v[3], v[7], v[11], v[15]); \
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BLAKE2B_G (c8, c9, v[0], v[5], v[10], v[15]); \
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BLAKE2B_G (ca, cb, v[1], v[6], v[11], v[12]); \
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BLAKE2B_G (cc, cd, v[2], v[7], v[ 8], v[13]); \
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BLAKE2B_G (ce, cf, v[3], v[4], v[ 9], v[14]); \
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}
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#define BLAKE2B_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 = blake2b_rot32 (d ^ a); \
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c = c + d; \
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b = blake2b_rot24 (b ^ c); \
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a = a + b + m[k1]; \
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d = blake2b_rot16 (d ^ a); \
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c = c + d; \
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b = hc_rotr64 (b ^ c, 63); \
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}
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#define BLAKE2B_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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BLAKE2B_G_VECTOR (c0, c1, v[0], v[4], v[ 8], v[12]); \
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BLAKE2B_G_VECTOR (c2, c3, v[1], v[5], v[ 9], v[13]); \
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BLAKE2B_G_VECTOR (c4, c5, v[2], v[6], v[10], v[14]); \
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BLAKE2B_G_VECTOR (c6, c7, v[3], v[7], v[11], v[15]); \
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BLAKE2B_G_VECTOR (c8, c9, v[0], v[5], v[10], v[15]); \
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BLAKE2B_G_VECTOR (ca, cb, v[1], v[6], v[11], v[12]); \
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BLAKE2B_G_VECTOR (cc, cd, v[2], v[7], v[ 8], v[13]); \
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BLAKE2B_G_VECTOR (ce, cf, v[3], v[4], v[ 9], v[14]); \
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}
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typedef struct blake2b_ctx
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{
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u64 m[16]; // buffer
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u64 h[ 8]; // digest
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int len;
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} blake2b_ctx_t;
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typedef struct blake2b_ctx_vector
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{
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u64x m[16]; // buffer
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u64x h[ 8]; // digest
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int len;
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} blake2b_ctx_vector_t;
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DECLSPEC void blake2b_transform (PRIVATE_AS u64 *h, PRIVATE_AS const u64 *m, const int len, const u64 f0);
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DECLSPEC void blake2b_init (PRIVATE_AS blake2b_ctx_t *ctx);
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DECLSPEC void blake2b_update (PRIVATE_AS blake2b_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len);
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DECLSPEC void blake2b_update_global (PRIVATE_AS blake2b_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
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DECLSPEC void blake2b_final (PRIVATE_AS blake2b_ctx_t *ctx);
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DECLSPEC void blake2b_transform_vector (PRIVATE_AS u64x *h, PRIVATE_AS const u64x *m, const u32x len, const u64 f0);
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DECLSPEC void blake2b_init_vector (PRIVATE_AS blake2b_ctx_vector_t *ctx);
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DECLSPEC void blake2b_init_vector_from_scalar (PRIVATE_AS blake2b_ctx_vector_t *ctx, PRIVATE_AS blake2b_ctx_t *ctx0);
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DECLSPEC void blake2b_update_vector (PRIVATE_AS blake2b_ctx_vector_t *ctx, PRIVATE_AS const u32x *w, const int len);
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DECLSPEC void blake2b_final_vector (PRIVATE_AS blake2b_ctx_vector_t *ctx);
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#endif // INC_HASH_BLAKE2B_H
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