1 files changed, 108 insertions, 0 deletions
diff --git a/ppc/blake2b-round.h b/ppc/blake2b-round.h
new file mode 100644
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+++ b/ppc/blake2b-round.h
@@ -0,0 +1,108 @@
+/*
+   BLAKE2 reference source code package - optimized C implementations
+
+   Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under the
+   terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+   your option.  The terms of these licenses can be found at:
+
+   - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+   - OpenSSL license   : https://www.openssl.org/source/license.html
+   - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0
+
+   More information about the BLAKE2 hash function can be found at
+   https://blake2.net.
+*/
+#ifndef ROUND_H
+#define ROUND_H
+
+#define LIKELY(x) __builtin_expect((x),1)
+
+#define vec_ror_16(x) vec_rl(x, mask_ror_16)
+#define vec_ror_24(x) vec_rl(x, mask_ror_24)
+#define vec_ror_32(x) vec_rl(x, mask_ror_32)
+#define vec_ror_63(x) vec_rl(x, mask_ror_63)
+
+
+#define G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
+do { \
+  row1l = vec_add(vec_add(row1l, b0), row2l); \
+  row1h = vec_add(vec_add(row1h, b1), row2h); \
+  row4l = vec_xor(row4l, row1l); \
+  row4h = vec_xor(row4h, row1h); \
+  row4l = vec_ror_32(row4l); \
+  row4h = vec_ror_32(row4h); \
+  row3l = vec_add(row3l, row4l); \
+  row3h = vec_add(row3h, row4h); \
+  row2l = vec_xor(row2l, row3l); \
+  row2h = vec_xor(row2h, row3h); \
+  row2l = vec_ror_24(row2l); \
+  row2h = vec_ror_24(row2h); \
+} while(0)
+
+#define G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
+do { \
+  row1l = vec_add(vec_add(row1l, b0), row2l); \
+  row1h = vec_add(vec_add(row1h, b1), row2h); \
+  row4l = vec_xor(row4l, row1l); \
+  row4h = vec_xor(row4h, row1h); \
+  row4l = vec_ror_16(row4l); \
+  row4h = vec_ror_16(row4h); \
+  row3l = vec_add(row3l, row4l); \
+  row3h = vec_add(row3h, row4h); \
+  row2l = vec_xor(row2l, row3l); \
+  row2h = vec_xor(row2h, row3h); \
+  row2l = vec_ror_63(row2l); \
+  row2h = vec_ror_63(row2h); \
+} while(0)
+
+#define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
+do { \
+  uint64x2_p t0, t1; \
+  t0 = vec_shl_8(row2l, row2h); \
+  t1 = vec_shl_8(row2h, row2l); \
+  row2l = t0; \
+  row2h = t1; \
+  t0 = row3l; \
+  row3l = row3h; \
+  row3h = t0; \
+  t0 = vec_shl_8(row4h, row4l); \
+  t1 = vec_shl_8(row4l, row4h); \
+  row4l = t0; \
+  row4h = t1; \
+} while(0)
+
+#define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
+do { \
+  uint64x2_p t0, t1; \
+  t0 = vec_shl_8(row2h, row2l); \
+  t1 = vec_shl_8(row2l, row2h); \
+  row2l = t0; \
+  row2h = t1; \
+  t0 = row3l; \
+  row3l = row3h; row3h = t0; \
+  t0 = vec_shl_8(row4l, row4h); \
+  t1 = vec_shl_8(row4h, row4l); \
+  row4l = t0; \
+  row4h = t1; \
+} while(0)
+
+#if defined(__VSX__) || defined(_ARCH_PWR8)
+#include "blake2b-load-pwr8.h"
+#endif
+
+#define ROUND(r) \
+do { \
+  uint64x2_p b0, b1; \
+  LOAD_MSG_ ##r ##_1(b0, b1); \
+  G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
+  LOAD_MSG_ ##r ##_2(b0, b1); \
+  G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
+  DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
+  LOAD_MSG_ ##r ##_3(b0, b1); \
+  G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
+  LOAD_MSG_ ##r ##_4(b0, b1); \
+  G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
+  UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
+} while(0)
+
+#endif