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Source file src/crypto/rand/rand_linux.go

Documentation: crypto/rand

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package rand
     6  
     7  // maxGetRandomRead is the maximum number of bytes to ask for in one call to the
     8  // getrandom() syscall. In linux at most 2^25-1 bytes will be returned per call.
     9  // From the manpage
    10  //
    11  //	*  When reading from the urandom source, a maximum of 33554431 bytes
    12  //	   is returned by a single call to getrandom() on systems where int
    13  //	   has a size of 32 bits.
    14  const maxGetRandomRead = (1 << 25) - 1
    15  

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