diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_core/salsa2012/ref/core_salsa2012.c')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_core/salsa2012/ref/core_salsa2012.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_core/salsa2012/ref/core_salsa2012.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_core/salsa2012/ref/core_salsa2012.c deleted file mode 100644 index 07a72e71..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_core/salsa2012/ref/core_salsa2012.c +++ /dev/null @@ -1,134 +0,0 @@ -/* -version 20080913 -D. J. Bernstein -Public domain. -*/ - -#include "api.h" - -#define ROUNDS 12 - -typedef unsigned int uint32; - -static uint32 rotate(uint32 u,int c) -{ - return (u << c) | (u >> (32 - c)); -} - -static uint32 load_littleendian(const unsigned char *x) -{ - return - (uint32) (x[0]) \ - | (((uint32) (x[1])) << 8) \ - | (((uint32) (x[2])) << 16) \ - | (((uint32) (x[3])) << 24) - ; -} - -static void store_littleendian(unsigned char *x,uint32 u) -{ - x[0] = u; u >>= 8; - x[1] = u; u >>= 8; - x[2] = u; u >>= 8; - x[3] = u; -} - -int crypto_core( - unsigned char *out, - const unsigned char *in, - const unsigned char *k, - const unsigned char *c -) -{ - uint32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15; - uint32 j0, j1, j2, j3, j4, j5, j6, j7, j8, j9, j10, j11, j12, j13, j14, j15; - int i; - - j0 = x0 = load_littleendian(c + 0); - j1 = x1 = load_littleendian(k + 0); - j2 = x2 = load_littleendian(k + 4); - j3 = x3 = load_littleendian(k + 8); - j4 = x4 = load_littleendian(k + 12); - j5 = x5 = load_littleendian(c + 4); - j6 = x6 = load_littleendian(in + 0); - j7 = x7 = load_littleendian(in + 4); - j8 = x8 = load_littleendian(in + 8); - j9 = x9 = load_littleendian(in + 12); - j10 = x10 = load_littleendian(c + 8); - j11 = x11 = load_littleendian(k + 16); - j12 = x12 = load_littleendian(k + 20); - j13 = x13 = load_littleendian(k + 24); - j14 = x14 = load_littleendian(k + 28); - j15 = x15 = load_littleendian(c + 12); - - for (i = ROUNDS;i > 0;i -= 2) { - x4 ^= rotate( x0+x12, 7); - x8 ^= rotate( x4+ x0, 9); - x12 ^= rotate( x8+ x4,13); - x0 ^= rotate(x12+ x8,18); - x9 ^= rotate( x5+ x1, 7); - x13 ^= rotate( x9+ x5, 9); - x1 ^= rotate(x13+ x9,13); - x5 ^= rotate( x1+x13,18); - x14 ^= rotate(x10+ x6, 7); - x2 ^= rotate(x14+x10, 9); - x6 ^= rotate( x2+x14,13); - x10 ^= rotate( x6+ x2,18); - x3 ^= rotate(x15+x11, 7); - x7 ^= rotate( x3+x15, 9); - x11 ^= rotate( x7+ x3,13); - x15 ^= rotate(x11+ x7,18); - x1 ^= rotate( x0+ x3, 7); - x2 ^= rotate( x1+ x0, 9); - x3 ^= rotate( x2+ x1,13); - x0 ^= rotate( x3+ x2,18); - x6 ^= rotate( x5+ x4, 7); - x7 ^= rotate( x6+ x5, 9); - x4 ^= rotate( x7+ x6,13); - x5 ^= rotate( x4+ x7,18); - x11 ^= rotate(x10+ x9, 7); - x8 ^= rotate(x11+x10, 9); - x9 ^= rotate( x8+x11,13); - x10 ^= rotate( x9+ x8,18); - x12 ^= rotate(x15+x14, 7); - x13 ^= rotate(x12+x15, 9); - x14 ^= rotate(x13+x12,13); - x15 ^= rotate(x14+x13,18); - } - - x0 += j0; - x1 += j1; - x2 += j2; - x3 += j3; - x4 += j4; - x5 += j5; - x6 += j6; - x7 += j7; - x8 += j8; - x9 += j9; - x10 += j10; - x11 += j11; - x12 += j12; - x13 += j13; - x14 += j14; - x15 += j15; - - store_littleendian(out + 0,x0); - store_littleendian(out + 4,x1); - store_littleendian(out + 8,x2); - store_littleendian(out + 12,x3); - store_littleendian(out + 16,x4); - store_littleendian(out + 20,x5); - store_littleendian(out + 24,x6); - store_littleendian(out + 28,x7); - store_littleendian(out + 32,x8); - store_littleendian(out + 36,x9); - store_littleendian(out + 40,x10); - store_littleendian(out + 44,x11); - store_littleendian(out + 48,x12); - store_littleendian(out + 52,x13); - store_littleendian(out + 56,x14); - store_littleendian(out + 60,x15); - - return 0; -} |