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diff --git a/secure/lib/libcrypto/man/BN_generate_prime.3 b/secure/lib/libcrypto/man/BN_generate_prime.3 new file mode 100644 index 0000000..0d5fd34 --- /dev/null +++ b/secure/lib/libcrypto/man/BN_generate_prime.3 @@ -0,0 +1,222 @@ +.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.14 +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sh \" Subsection heading +.br +.if t .Sp +.ne 5 +.PP +\fB\\$1\fR +.PP +.. +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. | will give a +.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used to +.\" do unbreakable dashes and therefore won't be available. \*(C` and \*(C' +.\" expand to `' in nroff, nothing in troff, for use with C<>. +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.hy 0 +.if n .na +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. 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The following tests are performed until one of them shows that +\&\fBa\fR is composite; if \fBa\fR passes all these tests, it is considered +prime. +.PP +\&\fIBN_is_prime_fasttest()\fR, when called with \fBdo_trial_division == 1\fR, +first attempts trial division by a number of small primes; +if no divisors are found by this test and \fBcallback\fR is not \fB\s-1NULL\s0\fR, +\&\fBcallback(1, \-1, cb_arg)\fR is called. +If \fBdo_trial_division == 0\fR, this test is skipped. +.PP +Both \fIBN_is_prime()\fR and \fIBN_is_prime_fasttest()\fR perform a Miller-Rabin +probabilistic primality test with \fBchecks\fR iterations. If +\&\fBchecks == BN_prime_checks\fR, a number of iterations is used that +yields a false positive rate of at most 2^\-80 for random input. +.PP +If \fBcallback\fR is not \fB\s-1NULL\s0\fR, \fBcallback(1, j, cb_arg)\fR is called +after the j\-th iteration (j = 0, 1, ...). \fBctx\fR is a +pre-allocated \fB\s-1BN_CTX\s0\fR (to save the overhead of allocating and +freeing the structure in a loop), or \fB\s-1NULL\s0\fR. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fIBN_generate_prime()\fR returns the prime number on success, \fB\s-1NULL\s0\fR otherwise. +.PP +\&\fIBN_is_prime()\fR returns 0 if the number is composite, 1 if it is +prime with an error probability of less than 0.25^\fBchecks\fR, and +\&\-1 on error. +.PP +The error codes can be obtained by \fIERR_get_error\fR\|(3). +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIbn\fR\|(3), \fIERR_get_error\fR\|(3), \fIrand\fR\|(3) +.SH "HISTORY" +.IX Header "HISTORY" +The \fBcb_arg\fR arguments to \fIBN_generate_prime()\fR and to \fIBN_is_prime()\fR +were added in SSLeay 0.9.0. The \fBret\fR argument to \fIBN_generate_prime()\fR +was added in SSLeay 0.9.1. +\&\fIBN_is_prime_fasttest()\fR was added in OpenSSL 0.9.5. |