fumiama/simple-crypto
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适配MSVC和其它非GNUC编译器

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源文雨
2023-07-29 15:41:04 +08:00
parent c9595dc90f
commit 8a9df3041d
3 changed files with 62 additions and 10 deletions
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17
tea.c
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@@ -8,6 +8,7 @@
#include <machine/endian.h>
#endif
#include "simplecrypto.h"
#include "binary.h"
const static uint32_t qqsumtable[0x10] = {
0x9e3779b9,
@@ -43,7 +44,7 @@ int64_t tea_encrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t*
#ifdef WORDS_BIGENDIAN
uint64_t block = ((uint64_t*)dst)[i];
#else
uint64_t block = __builtin_bswap64(((uint64_t*)dst)[i]);
uint64_t block = _swap_64(((uint64_t*)dst)[i]);
#endif
holder = block ^ iv1;
iv1 = holder;
@@ -60,7 +61,7 @@ int64_t tea_encrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t*
#ifdef WORDS_BIGENDIAN
((uint64_t*)dst)[i] = iv1;
#else
((uint64_t*)dst)[i] = __builtin_bswap64(iv1);
((uint64_t*)dst)[i] = _swap_64(iv1);
#endif
}
return dstlen;
@@ -81,7 +82,7 @@ int64_t tea_encrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t* s
#ifdef WORDS_BIGENDIAN
uint64_t block = ((uint64_t*)dst)[i];
#else
uint64_t block = __builtin_bswap64(((uint64_t*)dst)[i]);
uint64_t block = _swap_64(((uint64_t*)dst)[i]);
#endif
holder = block ^ iv1;
iv1 = holder;
@@ -98,7 +99,7 @@ int64_t tea_encrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t* s
#ifdef WORDS_BIGENDIAN
((uint64_t*)dst)[i] = iv1;
#else
((uint64_t*)dst)[i] = __builtin_bswap64(iv1);
((uint64_t*)dst)[i] = _swap_64(iv1);
#endif
}
return dstlen;
@@ -171,7 +172,7 @@ uint8_t* tea_decrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t
#ifdef WORDS_BIGENDIAN
iv1 = ((uint64_t*)(src))[i];
#else
iv1 = __builtin_bswap64(((uint64_t*)(src))[i]);
iv1 = _swap_64(((uint64_t*)(src))[i]);
#endif
iv2 ^= iv1;
uint32_t v1 = iv2;
@@ -185,7 +186,7 @@ uint8_t* tea_decrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t
#ifdef WORDS_BIGENDIAN
((uint64_t*)dst)[i] = iv2^holder;
#else
((uint64_t*)dst)[i] = __builtin_bswap64(iv2^holder);
((uint64_t*)dst)[i] = _swap_64(iv2^holder);
#endif
holder = iv1;
}
@@ -202,7 +203,7 @@ uint8_t* tea_decrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t*
#ifdef WORDS_BIGENDIAN
iv1 = ((uint64_t*)(src))[i];
#else
iv1 = __builtin_bswap64(((uint64_t*)(src))[i]);
iv1 = _swap_64(((uint64_t*)(src))[i]);
#endif
iv2 ^= iv1;
uint32_t v1 = iv2;
@@ -216,7 +217,7 @@ uint8_t* tea_decrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t*
#ifdef WORDS_BIGENDIAN
((uint64_t*)dst)[i] = iv2^holder;
#else
((uint64_t*)dst)[i] = __builtin_bswap64(iv2^holder);
((uint64_t*)dst)[i] = _swap_64(iv2^holder);
#endif
holder = iv1;
}