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(gcrypt.info.gz) Quality of random numbers

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 9.1 Quality of random numbers
 =============================
 
 Libgcypt offers random numbers of different quality levels:
 
  -- Data type: enum gcry_random_level
      The constants for the random quality levels are of this type.
 
 `GCRY_WEAK_RANDOM'
      This should not anymore be used.  It has recently been changed to
      an alias of GCRY_STRONG_RANDOM.  Use `gcry_create_nonce' instead.
 
 `GCRY_STRONG_RANDOM'
      Use this level for e.g. session keys and similar purposes.
 
 `GCRY_VERY_STRONG_RANDOM'
      Use this level for e.g. key material.
 
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