Merge issue #26355 fix from Python 3.5

1 files changed, 37 insertions, 0 deletions

diff --git a/Modules/_sha3/kcp/KeccakP-1600-SnP-opt32.h b/Modules/_sha3/kcp/KeccakP-1600-SnP-opt32.h
new file mode 100644
index 0000000000..6cf765e6ce
--- /dev/null
+++ b/Modules/_sha3/kcp/KeccakP-1600-SnP-opt32.h
@@ -0,0 +1,37 @@
+/*
+Implementation by the Keccak, Keyak and Ketje Teams, namely, Guido Bertoni,
+Joan Daemen, Michaël Peeters, Gilles Van Assche and Ronny Van Keer, hereby
+denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our websites:
+http://keccak.noekeon.org/
+http://keyak.noekeon.org/
+http://ketje.noekeon.org/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+#ifndef _KeccakP_1600_SnP_h_
+#define _KeccakP_1600_SnP_h_
+
+/** For the documentation, see SnP-documentation.h.
+ */
+
+#define KeccakP1600_implementation      "in-place 32-bit optimized implementation"
+#define KeccakP1600_stateSizeInBytes    200
+#define KeccakP1600_stateAlignment      8
+
+#define KeccakP1600_StaticInitialize()
+void KeccakP1600_Initialize(void *state);
+void KeccakP1600_AddByte(void *state, unsigned char data, unsigned int offset);
+void KeccakP1600_AddBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_OverwriteBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_OverwriteWithZeroes(void *state, unsigned int byteCount);
+void KeccakP1600_Permute_12rounds(void *state);
+void KeccakP1600_Permute_24rounds(void *state);
+void KeccakP1600_ExtractBytes(const void *state, unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_ExtractAndAddBytes(const void *state, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length);
+
+#endif