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added portable endian code
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portable_endian.h
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125
portable_endian.h
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// taken from
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// https://gist.githubusercontent.com/PkmX/63dd23f28ba885be53a5/raw/c89538c921f08f8dbb5bc5957c871060c720605a/portable_endian.h
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// as of June 11, 2020
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// "License": Public Domain
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// I, Mathias Panzenb<6E>ck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
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// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
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// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
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// an example on how to get the endian conversion functions on different platforms.
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#ifndef PORTABLE_ENDIAN_H__
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#define PORTABLE_ENDIAN_H__
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#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
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# define __WINDOWS__
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#endif
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#if defined(__linux__) || defined(__CYGWIN__)
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# include <endian.h>
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#elif defined(__APPLE__)
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# include <libkern/OSByteOrder.h>
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# define htobe16(x) OSSwapHostToBigInt16(x)
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# define htole16(x) OSSwapHostToLittleInt16(x)
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# define be16toh(x) OSSwapBigToHostInt16(x)
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# define le16toh(x) OSSwapLittleToHostInt16(x)
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# define htobe32(x) OSSwapHostToBigInt32(x)
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# define htole32(x) OSSwapHostToLittleInt32(x)
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# define be32toh(x) OSSwapBigToHostInt32(x)
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# define le32toh(x) OSSwapLittleToHostInt32(x)
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# define htobe64(x) OSSwapHostToBigInt64(x)
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# define htole64(x) OSSwapHostToLittleInt64(x)
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# define be64toh(x) OSSwapBigToHostInt64(x)
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# define le64toh(x) OSSwapLittleToHostInt64(x)
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#elif defined(__OpenBSD__)
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# include <sys/endian.h>
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#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
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# include <sys/endian.h>
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# define be16toh(x) betoh16(x)
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# define le16toh(x) letoh16(x)
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# define be32toh(x) betoh32(x)
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# define le32toh(x) letoh32(x)
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# define be64toh(x) betoh64(x)
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# define le64toh(x) letoh64(x)
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#elif defined(__WINDOWS__)
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# include <windows.h>
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# if BYTE_ORDER == LITTLE_ENDIAN
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# if defined(_MSC_VER)
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# include <stdlib.h>
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# define htobe16(x) _byteswap_ushort(x)
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# define htole16(x) (x)
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# define be16toh(x) _byteswap_ushort(x)
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# define le16toh(x) (x)
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# define htobe32(x) _byteswap_ulong(x)
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# define htole32(x) (x)
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# define be32toh(x) _byteswap_ulong(x)
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# define le32toh(x) (x)
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# define htobe64(x) _byteswap_uint64(x)
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# define htole64(x) (x)
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# define be64toh(x) _byteswap_uint64(x)
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# define le64toh(x) (x)
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# elif defined(__GNUC__) || defined(__clang__)
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# define htobe16(x) __builtin_bswap16(x)
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# define htole16(x) (x)
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# define be16toh(x) __builtin_bswap16(x)
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# define le16toh(x) (x)
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# define htobe32(x) __builtin_bswap32(x)
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# define htole32(x) (x)
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# define be32toh(x) __builtin_bswap32(x)
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# define le32toh(x) (x)
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# define htobe64(x) __builtin_bswap64(x)
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# define htole64(x) (x)
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# define be64toh(x) __builtin_bswap64(x)
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# define le64toh(x) (x)
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# else
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# error platform not supported
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# endif
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# else
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# error byte order not supported
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# endif
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#else
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# error platform not supported
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#endif
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#endif
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5
speck.c
5
speck.c
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@ -2,13 +2,12 @@
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// taken from (and modified: removed pure crypto-stream generation and seperated key expansion)
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// https://github.com/nsacyber/simon-speck-supercop/blob/master/crypto_stream/speck128256ctr/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "portable_endian.h"
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#include "speck.h"
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#if defined (__AVX2__) // AVX support ----------------------------------------------------
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@ -682,6 +681,8 @@ int speck_test () {
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}
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/*
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#include <stdio.h> // for testing
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int main (int argc, char* argv[]) {
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fprintf (stdout, "SPECK SELF TEST RESULT: %u\n", speck_test (0,NULL));
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5
speck.h
5
speck.h
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@ -2,11 +2,6 @@
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// taken from (and modified: removed pure crypto-stream generation and seperated key expansion)
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// https://github.com/nsacyber/simon-speck-supercop/blob/master/crypto_stream/speck128256ctr/
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#ifdef __APPLE__
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#include <libkern/OSByteOrder.h>
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#define htole64(x) OSSwapHostToLittleInt64(x)
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#endif
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#define u32 uint32_t
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#define u64 uint64_t
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