diff options
Diffstat (limited to 'libblake_internal_blakeb_update.c')
| -rw-r--r-- | libblake_internal_blakeb_update.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/libblake_internal_blakeb_update.c b/libblake_internal_blakeb_update.c index db4f0b7..a1a88d6 100644 --- a/libblake_internal_blakeb_update.c +++ b/libblake_internal_blakeb_update.c @@ -47,26 +47,26 @@ rotate_right(uint_least64_t x, int n) size_t libblake_internal_blakeb_update(struct libblake_blakeb_state *state, const unsigned char *data, size_t len) { - size_t ret = 0; + size_t off = 0; struct libblake_blakeb_state s; uint_least64_t v[16], m[16]; memcpy(&s, state, sizeof(s)); - for (; len - ret >= 128; ret += 128, data = &data[128]) { - s.t[0] += 1024; - if ((s.t[0] & UINT_LEAST64_C(0xFFFFffffFFFFffff)) < 1024) + for (; len - off >= 128; off += 128, data = &data[128]) { + s.t[0] = (s.t[0] + 1024) & UINT_LEAST64_C(0xFFFFffffFFFFffff); + if (s.t[0] < 1024) s.t[1] = (s.t[1] + 1) & UINT_LEAST64_C(0xFFFFffffFFFFffff); memcpy(v, s.h, sizeof(s.h)); - v[8] = s.s[0] ^ CB0; - v[9] = s.s[1] ^ CB1; - v[10] = s.s[2] ^ CB2; - v[11] = s.s[3] ^ CB3; - v[12] = s.t[0] ^ CB4; - v[13] = s.t[0] ^ CB5; - v[14] = s.t[1] ^ CB6; - v[15] = s.t[1] ^ CB7; + v[8] = s.s[0] ^ CB0; + v[9] = s.s[1] ^ CB1; + v[A] = s.s[2] ^ CB2; + v[B] = s.s[3] ^ CB3; + v[C] = s.t[0] ^ CB4; + v[D] = s.t[0] ^ CB5; + v[E] = s.t[1] ^ CB6; + v[F] = s.t[1] ^ CB7; m[0] = decode_uint64_be(&data[0 * 8]); m[1] = decode_uint64_be(&data[1 * 8]); @@ -97,13 +97,13 @@ libblake_internal_blakeb_update(struct libblake_blakeb_state *state, const unsig #define ROUNDB(S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, SA, SB, SC, SD, SE, SF)\ GB(m[S0], m[S1], CB##S0, CB##S1, v[0], v[4], v[8], v[C]);\ - GB(m[S2], m[S3], CB##S2, CB##S3, v[1], v[5], v[9], v[D]);\ - GB(m[S4], m[S5], CB##S4, CB##S5, v[2], v[6], v[A], v[E]);\ - GB(m[S6], m[S7], CB##S6, CB##S7, v[3], v[7], v[B], v[F]);\ - GB(m[S8], m[S9], CB##S8, CB##S9, v[0], v[5], v[A], v[F]);\ - GB(m[SA], m[SB], CB##SA, CB##SB, v[1], v[6], v[B], v[C]);\ - GB(m[SC], m[SD], CB##SC, CB##SD, v[2], v[7], v[8], v[D]);\ - GB(m[SE], m[SF], CB##SE, CB##SF, v[3], v[4], v[9], v[E]) + GB(m[S2], m[S3], CB##S2, CB##S3, v[1], v[5], v[9], v[D]);\ + GB(m[S4], m[S5], CB##S4, CB##S5, v[2], v[6], v[A], v[E]);\ + GB(m[S6], m[S7], CB##S6, CB##S7, v[3], v[7], v[B], v[F]);\ + GB(m[S8], m[S9], CB##S8, CB##S9, v[0], v[5], v[A], v[F]);\ + GB(m[SA], m[SB], CB##SA, CB##SB, v[1], v[6], v[B], v[C]);\ + GB(m[SC], m[SD], CB##SC, CB##SD, v[2], v[7], v[8], v[D]);\ + GB(m[SE], m[SF], CB##SE, CB##SF, v[3], v[4], v[9], v[E]) ROUNDB(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F); ROUNDB(E, A, 4, 8, 9, F, D, 6, 1, C, 0, 2, B, 7, 5, 3); @@ -134,5 +134,5 @@ libblake_internal_blakeb_update(struct libblake_blakeb_state *state, const unsig memcpy(state, &s, sizeof(s)); - return ret; + return off; } |