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    Command:

    moduli

    
         sshd(8) in the Diffie-Hellman Group Exchange key exchange method.
    
         New moduli may be generated with ssh-keygen(1) using a two-step process.
         An initial candidate generation pass, using ssh-keygen -G, calculates
         numbers that are likely to be useful.  A second primality testing pass,
         using ssh-keygen -T provides a high degree of assurance that the numbers
         are prime and are safe for use in Diffie Hellman operations by sshd(8).
         This moduli format is used as the output from each pass.
    
         The file consists of newline-separated records, one per modulus, contain-
         ing seven space separated fields.  These fields are as follows:
    
               timestamp    The time that the modulus was last processed as YYYYM-
                            MDDHHMMSS.
    
               type         Decimal number specifying the internal structure of
                            the prime modulus.  Supported types are:
    
                            0     Unknown, not tested
                            2     "Safe" prime; (p-1)/2 is also prime.
                            4     Sophie Germain; (p+1)*2 is also prime.
    
                            Moduli candidates initially produced by ssh-keygen(1)
                            are Sophie Germain primes (type 4).  Further primality
                            testing with ssh-keygen(1) produces safe prime moduli
                            (type 2) that are ready for use in sshd(8).  Other
                            types are not used by OpenSSH.
    
               tests        Decimal number indicating the type of primality tests
                            that the number has been subjected to represented as a
                            bitmask of the following values:
    
                            0x00  Not tested
                            0x01  Composite number - not prime.
                            0x02  Sieve of Eratosthenes
                            0x04  Probabilistic Miller-Rabin primality tests.
    
                            The ssh-keygen(1) moduli candidate generation uses the
                            Sieve of Eratosthenes (flag 0x02).  Subsequent
                            ssh-keygen(1) primality tests are Miller-Rabin tests
                            (flag 0x04).
    
               trials       Decimal number indicating of primality trials that
                            have been performed on the modulus.
    
               size         Decimal number indicating the size of the prime in
                            bits.
    
               generator    The recommended generator for use with this modulus
                            (hexadecimal).
    
               modulus      The modulus itself in hexadecimal.
    
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