serval-dna/nacl/nacl-20110221/curvecp/uint32_unpack.c

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#include "uint32_unpack.h"
crypto_uint32 uint32_unpack(const unsigned char *x)
{
crypto_uint32 result;
result = x[3];
result <<= 8; result |= x[2];
result <<= 8; result |= x[1];
result <<= 8; result |= x[0];
return result;
}