github.com/ncw/directio
https://github.com/ncw/directio
----------------------------------------------------------------
Copyright (C) 2012 by Nick Craig-Wood http://www.craig-wood.com/nick/

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

rightShift implements the right shift necessary for bits2int, which takes the // leftmost bits of either the hash or HMAC_DRBG output. // // Note how taking the rightmost bits would have been as easy as masking the // first byte, but we can't have nice things. func rightShift(b []byte, shift int) []byte { if shift <= 0 || shift >= 8 { panic("ecdsa: internal error: shift can only be by 1 to 7 bits") } b = bytes.Clone(b) for i := len(b) - 1; i >= 0; i-- { b[i] >>= shift if i > 0 { b[i] |= b[i-1] <<...

rightShift implements the right shift necessary for bits2int, which takes the // leftmost bits of either the hash or HMAC_DRBG output. // // Note how taking the rightmost bits would have been as easy as masking the // first byte, but we can't have nice things. func rightShift(b []byte, shift int) []byte { if shift <= 0 || shift >= 8 { panic("ecdsa: internal error: shift can only be by 1 to 7 bits") } b = bytes.Clone(b) for i := len(b) - 1; i >= 0; i-- { b[i] >>= shift if i > 0 { b[i] |= b[i-1] <<...

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