linux-6.12.1/crypto/blake2b_generic.c

1 // SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0)
11  *	- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
12  *	- OpenSSL license   : https://www.openssl.org/source/license.html
13  *	- Apache 2.0        : https://www.apache.org/licenses/LICENSE-2.0
26 	{  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 },
27 	{ 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 },
28 	{ 11,  8, 12,  0,  5,  2, 15, 13, 10, 14,  3,  6,  7,  1,  9,  4 },
29 	{  7,  9,  3,  1, 13, 12, 11, 14,  2,  6,  5, 10,  4,  0, 15,  8 },
30 	{  9,  0,  5,  7,  2,  4, 10, 15, 14,  1, 11, 12,  6,  8,  3, 13 },
31 	{  2, 12,  6, 10,  0, 11,  8,  3,  4, 13,  7,  5, 15, 14,  1,  9 },
32 	{ 12,  5,  1, 15, 14, 13,  4, 10,  0,  7,  6,  3,  9,  2,  8, 11 },
33 	{ 13, 11,  7, 14, 12,  1,  3,  9,  5,  0, 15,  4,  8,  6,  2, 10 },
34 	{  6, 15, 14,  9, 11,  3,  0,  8, 12,  2, 13,  7,  1,  4, 10,  5 },
35 	{ 10,  2,  8,  4,  7,  6,  1,  5, 15, 11,  9, 14,  3, 12, 13,  0 },
36 	{  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 },
37 	{ 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 }
42 	S->t[0] += inc;  in blake2b_increment_counter()
43 	S->t[1] += (S->t[0] < inc);  in blake2b_increment_counter()
46 #define G(r,i,a,b,c,d)                                  \  argument
48 		a = a + b + m[blake2b_sigma[r][2*i+0]]; \
49 		d = ror64(d ^ a, 32);                   \
50 		c = c + d;                              \
52 		a = a + b + m[blake2b_sigma[r][2*i+1]]; \
53 		d = ror64(d ^ a, 16);                   \
54 		c = c + d;                              \
56 	} while (0)
60 		G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
61 		G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
64 		G(r,4,v[ 0],v[ 5],v[10],v[15]); \
67 		G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
68 	} while (0)
77 	for (i = 0; i < 16; ++i)  in blake2b_compress_one_generic()
80 	for (i = 0; i < 8; ++i)  in blake2b_compress_one_generic()
81 		v[i] = S->h[i];  in blake2b_compress_one_generic()
84 	v[ 9] = BLAKE2B_IV1;  in blake2b_compress_one_generic()
87 	v[12] = BLAKE2B_IV4 ^ S->t[0];  in blake2b_compress_one_generic()
88 	v[13] = BLAKE2B_IV5 ^ S->t[1];  in blake2b_compress_one_generic()
89 	v[14] = BLAKE2B_IV6 ^ S->f[0];  in blake2b_compress_one_generic()
90 	v[15] = BLAKE2B_IV7 ^ S->f[1];  in blake2b_compress_one_generic()
92 	ROUND(0);  in blake2b_compress_one_generic()
101 	ROUND(9);  in blake2b_compress_one_generic()
107 	for (i = 0; i < 8; ++i)  in blake2b_compress_one_generic()
108 		S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];  in blake2b_compress_one_generic()
121 	} while (--nblocks);  in blake2b_compress_generic()
154 	BLAKE2B_ALG("blake2b-160", "blake2b-160-generic",
156 	BLAKE2B_ALG("blake2b-256", "blake2b-256-generic",
158 	BLAKE2B_ALG("blake2b-384", "blake2b-384-generic",
160 	BLAKE2B_ALG("blake2b-512", "blake2b-512-generic",
180 MODULE_ALIAS_CRYPTO("blake2b-160");
181 MODULE_ALIAS_CRYPTO("blake2b-160-generic");
182 MODULE_ALIAS_CRYPTO("blake2b-256");
183 MODULE_ALIAS_CRYPTO("blake2b-256-generic");
184 MODULE_ALIAS_CRYPTO("blake2b-384");
185 MODULE_ALIAS_CRYPTO("blake2b-384-generic");
186 MODULE_ALIAS_CRYPTO("blake2b-512");
187 MODULE_ALIAS_CRYPTO("blake2b-512-generic");