Manual Pages for UNIX Operating System command usage for man BN_cmp

OpenSSL                                          BN_cmp(3openssl)



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     BN_cmp, BN_ucmp, BN_is_zero, BN_is_one, BN_is_word,
     BN_is_odd - BIGNUM comparison and test functions

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      #include 

      int BN_cmp(BIGNUM *a, BIGNUM *b);
      int BN_ucmp(BIGNUM *a, BIGNUM *b);

      int BN_is_zero(BIGNUM *a);
      int BN_is_one(BIGNUM *a);
      int BN_is_word(BIGNUM *a, BN_ULONG w);
      int BN_is_odd(BIGNUM *a);


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     BN_cmp() compares the numbers aaaa and bbbb. BN_ucmp() compares
     their absolute values.

     BN_is_zero(), BN_is_one() and BN_is_word() test if aaaa equals
     0, 1, or wwww respectively. BN_is_odd() tests if a is odd.

     BN_is_zero(), BN_is_one(), BN_is_word() and BN_is_odd() are
     macros.

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     BN_cmp() returns -1 if aaaa < bbbb, 0 if aaaa == bbbb and 1 if aaaa > bbbb.
     BN_ucmp() is the same using the absolute values of aaaa and bbbb.

     BN_is_zero(), BN_is_one() BN_is_word() and BN_is_odd()
     return 1 if the condition is true, 0 otherwise.

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     bn(3)

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     BN_cmp(), BN_ucmp(), BN_is_zero(), BN_is_one() and
     BN_is_word() are available in all versions of SSLeay and
     OpenSSL.  BN_is_odd() was added in SSLeay 0.8.















26/Jan/2000            Last change: 0.9.8o                      1