1 C nettle, low-level cryptographics library
3 C Copyright (C) 2013 Niels Möller
5 C The nettle library is free software; you can redistribute it and/or modify
6 C it under the terms of the GNU Lesser General Public License as published by
7 C the Free Software Foundation; either version 2.1 of the License, or (at your
8 C option) any later version.
10 C The nettle library is distributed in the hope that it will be useful, but
11 C WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 C or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
13 C License for more details.
15 C You should have received a copy of the GNU Lesser General Public License
16 C along with the nettle library; see the file COPYING.LIB. If not, write to
17 C the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21 define(<LENGTH>, <%rsi>)
26 define(<XK0>, <%xmm2>)
27 define(<XK1>, <%xmm3>)
29 define(<XT0>, <%xmm5>)
30 define(<XT1>, <%xmm6>)
32 C FIXME: Would be nice if we could force the key array to be 16-byte
37 C umac_nh(const uint32_t *key, unsigned length, const uint8_t *msg)
40 PROLOGUE(_nettle_umac_nh)
56 C Length is only 32 bits
57 subl $32, XREG(LENGTH)
64 C Really a movq, but write as movd to please Apple's assembler
68 EPILOGUE(_nettle_umac_nh)