File: uint64_unpack.c

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#include "uint64_unpack.h"

/*
The 'uint64_unpack' function converts 8 bytes
in little-endian format into 64-bit unsigned integer.
*/
crypto_uint64 uint64_unpack(const unsigned char *x) {

    crypto_uint64 y = 0;
    long long i;
    for (i = 7; i >= 0; --i) y = (y << 8) | x[i];
    return y;
}