8 #define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
10 #define BLAKE2_PACKED(x) x __attribute__((packed))
15 BLAKE2S_BLOCKBYTES = 64,
16 BLAKE2S_OUTBYTES = 32,
17 BLAKE2S_KEYBYTES = 32,
18 BLAKE2S_SALTBYTES = 8,
19 BLAKE2S_PERSONALBYTES = 8
24 BLAKE2B_BLOCKBYTES = 128,
25 BLAKE2B_OUTBYTES = 64,
26 BLAKE2B_KEYBYTES = 64,
27 BLAKE2B_SALTBYTES = 16,
28 BLAKE2B_PERSONALBYTES = 16
31 typedef struct blake2s_state__
36 uint8_t buf[BLAKE2S_BLOCKBYTES];
42 typedef struct blake2b_state__
47 uint8_t buf[BLAKE2B_BLOCKBYTES];
53 typedef struct blake2sp_state__
55 blake2s_state S[8][1];
57 uint8_t buf[8 * BLAKE2S_BLOCKBYTES];
62 typedef struct blake2bp_state__
64 blake2b_state S[4][1];
66 uint8_t buf[4 * BLAKE2B_BLOCKBYTES];
72 BLAKE2_PACKED(struct blake2s_param__
74 uint8_t digest_length; /* 1 */
75 uint8_t key_length; /* 2 */
76 uint8_t fanout; /* 3 */
77 uint8_t depth; /* 4 */
78 uint32_t leaf_length; /* 8 */
79 uint32_t node_offset; /* 12 */
80 uint16_t xof_length; /* 14 */
81 uint8_t node_depth; /* 15 */
82 uint8_t inner_length; /* 16 */
83 /* uint8_t reserved[0]; */
84 uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */
85 uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */
88 typedef struct blake2s_param__ blake2s_param;
90 BLAKE2_PACKED(struct blake2b_param__
92 uint8_t digest_length; /* 1 */
93 uint8_t key_length; /* 2 */
94 uint8_t fanout; /* 3 */
95 uint8_t depth; /* 4 */
96 uint32_t leaf_length; /* 8 */
97 uint32_t node_offset; /* 12 */
98 uint32_t xof_length; /* 16 */
99 uint8_t node_depth; /* 17 */
100 uint8_t inner_length; /* 18 */
101 uint8_t reserved[14]; /* 32 */
102 uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
103 uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
106 typedef struct blake2b_param__ blake2b_param;
108 typedef struct blake2xs_state__
114 typedef struct blake2xb_state__
120 /* Padded structs result in a compile-time error */
122 BLAKE2_DUMMY_1 = 1/(sizeof(blake2s_param) == BLAKE2S_OUTBYTES),
123 BLAKE2_DUMMY_2 = 1/(sizeof(blake2b_param) == BLAKE2B_OUTBYTES)
127 int blake2s_init( blake2s_state *S, size_t outlen );
128 int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
129 int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
130 int blake2s_update( blake2s_state *S, const void *in, size_t inlen );
131 int blake2s_final( blake2s_state *S, void *out, size_t outlen );
133 int blake2b_init( blake2b_state *S, size_t outlen );
134 int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
135 int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
136 int blake2b_update( blake2b_state *S, const void *in, size_t inlen );
137 int blake2b_final( blake2b_state *S, void *out, size_t outlen );
139 int blake2sp_init( blake2sp_state *S, size_t outlen );
140 int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t keylen );
141 int blake2sp_update( blake2sp_state *S, const void *in, size_t inlen );
142 int blake2sp_final( blake2sp_state *S, void *out, size_t outlen );
144 int blake2bp_init( blake2bp_state *S, size_t outlen );
145 int blake2bp_init_key( blake2bp_state *S, size_t outlen, const void *key, size_t keylen );
146 int blake2bp_update( blake2bp_state *S, const void *in, size_t inlen );
147 int blake2bp_final( blake2bp_state *S, void *out, size_t outlen );
149 /* Variable output length API */
150 int blake2xs_init( blake2xs_state *S, const size_t outlen );
151 int blake2xs_init_key( blake2xs_state *S, const size_t outlen, const void *key, size_t keylen );
152 int blake2xs_update( blake2xs_state *S, const void *in, size_t inlen );
153 int blake2xs_final(blake2xs_state *S, void *out, size_t outlen);
155 int blake2xb_init( blake2xb_state *S, const size_t outlen );
156 int blake2xb_init_key( blake2xb_state *S, const size_t outlen, const void *key, size_t keylen );
157 int blake2xb_update( blake2xb_state *S, const void *in, size_t inlen );
158 int blake2xb_final(blake2xb_state *S, void *out, size_t outlen);
161 int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
162 int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
164 int blake2sp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
165 int blake2bp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
167 int blake2xs( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
168 int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
170 /* This is simply an alias for blake2b */
171 int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );