diff options
Diffstat (limited to 'src/libsodium/crypto_stream/aes128ctr/portable/common_aes128ctr.c')
-rw-r--r-- | src/libsodium/crypto_stream/aes128ctr/portable/common_aes128ctr.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/libsodium/crypto_stream/aes128ctr/portable/common_aes128ctr.c b/src/libsodium/crypto_stream/aes128ctr/portable/common_aes128ctr.c new file mode 100644 index 0000000..14a28cc --- /dev/null +++ b/src/libsodium/crypto_stream/aes128ctr/portable/common_aes128ctr.c @@ -0,0 +1,64 @@ +#include "common.h" + +uint32 load32_bigendian(const unsigned char *x) +{ + return + (uint32) (x[3]) \ + | (((uint32) (x[2])) << 8) \ + | (((uint32) (x[1])) << 16) \ + | (((uint32) (x[0])) << 24) + ; +} + +void store32_bigendian(unsigned char *x,uint32 u) +{ + x[3] = u; u >>= 8; + x[2] = u; u >>= 8; + x[1] = u; u >>= 8; + x[0] = u; +} + +uint32 load32_littleendian(const unsigned char *x) +{ + return + (uint32) (x[0]) \ + | (((uint32) (x[1])) << 8) \ + | (((uint32) (x[2])) << 16) \ + | (((uint32) (x[3])) << 24) + ; +} + +void store32_littleendian(unsigned char *x,uint32 u) +{ + x[0] = u; u >>= 8; + x[1] = u; u >>= 8; + x[2] = u; u >>= 8; + x[3] = u; +} + + +uint64 load64_littleendian(const unsigned char *x) +{ + return + (uint64) (x[0]) \ + | (((uint64) (x[1])) << 8) \ + | (((uint64) (x[2])) << 16) \ + | (((uint64) (x[3])) << 24) + | (((uint64) (x[4])) << 32) + | (((uint64) (x[5])) << 40) + | (((uint64) (x[6])) << 48) + | (((uint64) (x[7])) << 56) + ; +} + +void store64_littleendian(unsigned char *x,uint64 u) +{ + x[0] = u; u >>= 8; + x[1] = u; u >>= 8; + x[2] = u; u >>= 8; + x[3] = u; u >>= 8; + x[4] = u; u >>= 8; + x[5] = u; u >>= 8; + x[6] = u; u >>= 8; + x[7] = u; +} |