--- src/secure/lib/libcrypto/man/DH_generate_parameters.3 2004/09/02 09:26:58 1.2 +++ src/secure/lib/libcrypto/man/DH_generate_parameters.3 2004/12/18 21:34:10 1.3 @@ -1,12 +1,8 @@ -.rn '' }` -''' $RCSfile: DH_generate_parameters.3,v $$Revision: 1.2 $$Date: 2004/09/02 09:26:58 $ -''' -''' $Log: DH_generate_parameters.3,v $ -''' Revision 1.2 2004/09/02 09:26:58 asmodai -''' Commit manual pages after running 'man-update' and add new manual pages. -''' -''' -.de Sh +.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.14 +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sh \" Subsection heading .br .if t .Sp .ne 5 @@ -14,150 +10,98 @@ \fB\\$1\fR .PP .. -.de Sp +.de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. -.de Ip -.br -.ie \\n(.$>=3 .ne \\$3 -.el .ne 3 -.IP "\\$1" \\$2 -.. -.de Vb +.de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. -.de Ve +.de Ve \" End verbatim text .ft R - .fi .. -''' -''' -''' Set up \*(-- to give an unbreakable dash; -''' string Tr holds user defined translation string. -''' Bell System Logo is used as a dummy character. -''' +.\" 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" "" -''' \*(M", \*(S", \*(N" and \*(T" are the equivalent of -''' \*(L" and \*(R", except that they are used on ".xx" lines, -''' such as .IP and .SH, which do another additional levels of -''' double-quote interpretation -.ds M" """ -.ds S" """ -.ds N" """"" -.ds T" """"" -.ds L' ' -.ds R' ' -.ds M' ' -.ds S' ' -.ds N' ' -.ds T' ' +. 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\| -.tr \*(Tr -.ds L" `` -.ds R" '' -.ds M" `` -.ds S" '' -.ds N" `` -.ds T" '' -.ds L' ` -.ds R' ' -.ds M' ` -.ds S' ' -.ds N' ` -.ds T' ' -.ds PI \(*p +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' 'br\} -.\" If the F register is turned on, we'll generate -.\" index entries out stderr for the following things: -.\" TH Title -.\" SH Header -.\" Sh Subsection -.\" Ip Item -.\" X<> Xref (embedded -.\" Of course, you have to process the output yourself -.\" in some meaninful fashion. -.if \nF \{ -.de IX -.tm Index:\\$1\t\\n%\t"\\$2" -.. -.nr % 0 -.rr F -.\} -.TH DH_generate_parameters 3 "0.9.7d" "2/Sep/2004" "OpenSSL" -.UC -.if n .hy 0 +.\" +.\" 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 -.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' -.de CQ \" put $1 in typewriter font -.ft CW -'if n "\c -'if t \\&\\$1\c -'if n \\&\\$1\c -'if n \&" -\\&\\$2 \\$3 \\$4 \\$5 \\$6 \\$7 -'.ft R -.. -.\" @(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2 -. \" AM - accent mark definitions -.bd B 3 -. \" fudge factors for nroff and troff +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff .if n \{\ -. ds #H 0 -. ds #V .8m -. ds #F .3m -. ds #[ \f1 -. ds #] \fP +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP .\} .if t \{\ -. ds #H ((1u-(\\\\n(.fu%2u))*.13m) -. ds #V .6m -. ds #F 0 -. ds #[ \& -. ds #] \& +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& .\} -. \" simple accents for nroff and troff +. \" simple accents for nroff and troff .if n \{\ -. ds ' \& -. ds ` \& -. ds ^ \& -. ds , \& -. ds ~ ~ -. ds ? ? -. ds ! ! -. ds / -. ds q +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / .\} .if t \{\ -. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" -. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' -. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' -. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' -. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' -. ds ? \s-2c\h'-\w'c'u*7/10'\u\h'\*(#H'\zi\d\s+2\h'\w'c'u*8/10' -. ds ! \s-2\(or\s+2\h'-\w'\(or'u'\v'-.8m'.\v'.8m' -. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' -. ds q o\h'-\w'o'u*8/10'\s-4\v'.4m'\z\(*i\v'-.4m'\s+4\h'\w'o'u*8/10' +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} -. \" troff and (daisy-wheel) nroff accents +. \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' -.ds v \\k:\h'-(\\n(.wu*9/10-\*(#H)'\v'-\*(#V'\*(#[\s-4v\s0\v'\*(#V'\h'|\\n:u'\*(#] -.ds _ \\k:\h'-(\\n(.wu*9/10-\*(#H+(\*(#F*2/3))'\v'-.4m'\z\(hy\v'.4m'\h'|\\n:u' -.ds . \\k:\h'-(\\n(.wu*8/10)'\v'\*(#V*4/10'\z.\v'-\*(#V*4/10'\h'|\\n:u' -.ds 3 \*(#[\v'.2m'\s-2\&3\s0\v'-.2m'\*(#] .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' @@ -165,108 +109,91 @@ .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E -.ds oe o\h'-(\w'o'u*4/10)'e -.ds Oe O\h'-(\w'O'u*4/10)'E -. \" corrections for vroff +. \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' -. \" for low resolution devices (crt and lpr) +. \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ -. ds : e -. ds 8 ss -. ds v \h'-1'\o'\(aa\(ga' -. ds _ \h'-1'^ -. ds . \h'-1'. -. ds 3 3 -. ds o a -. ds d- d\h'-1'\(ga -. ds D- D\h'-1'\(hy -. ds th \o'bp' -. ds Th \o'LP' -. ds ae ae -. ds Ae AE -. ds oe oe -. ds Oe OE +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE .\} .rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "DH_generate_parameters 3" +.TH DH_generate_parameters 3 "2004-12-18" "0.9.7e" "OpenSSL" .SH "NAME" -DH_generate_parameters, DH_check \- generate and check Diffie-Hellman parameters +DH_generate_parameters, DH_check \- generate and check Diffie\-Hellman parameters .SH "SYNOPSIS" -.PP +.IX Header "SYNOPSIS" .Vb 1 \& #include .Ve +.PP .Vb 2 \& DH *DH_generate_parameters(int prime_len, int generator, \& void (*callback)(int, int, void *), void *cb_arg); .Ve +.PP .Vb 1 \& int DH_check(DH *dh, int *codes); .Ve .SH "DESCRIPTION" -\fIDH_generate_parameters()\fR generates Diffie-Hellman parameters that can +.IX Header "DESCRIPTION" +\&\fIDH_generate_parameters()\fR generates Diffie-Hellman parameters that can be shared among a group of users, and returns them in a newly -allocated \fBDH\fR structure. The pseudo-random number generator must be +allocated \fB\s-1DH\s0\fR structure. The pseudo-random number generator must be seeded prior to calling \fIDH_generate_parameters()\fR. .PP -\fBprime_len\fR is the length in bits of the safe prime to be generated. -\fBgenerator\fR is a small number > 1, typically 2 or 5. +\&\fBprime_len\fR is the length in bits of the safe prime to be generated. +\&\fBgenerator\fR is a small number > 1, typically 2 or 5. .PP A callback function may be used to provide feedback about the progress -of the key generation. If \fBcallback\fR is not \fBNULL\fR, it will be -called as described in BN_generate_prime(3) while a random prime +of the key generation. If \fBcallback\fR is not \fB\s-1NULL\s0\fR, it will be +called as described in \fIBN_generate_prime\fR\|(3) while a random prime number is generated, and when a prime has been found, \fBcallback(3, 0, cb_arg)\fR is called. .PP -\fIDH_check()\fR validates Diffie-Hellman parameters. It checks that \fBp\fR is +\&\fIDH_check()\fR validates Diffie-Hellman parameters. It checks that \fBp\fR is a safe prime, and that \fBg\fR is a suitable generator. In the case of an -error, the bit flags DH_CHECK_P_NOT_SAFE_PRIME or -DH_NOT_SUITABLE_GENERATOR are set in \fB*codes\fR. -DH_UNABLE_TO_CHECK_GENERATOR is set if the generator cannot be +error, the bit flags \s-1DH_CHECK_P_NOT_SAFE_PRIME\s0 or +\&\s-1DH_NOT_SUITABLE_GENERATOR\s0 are set in \fB*codes\fR. +\&\s-1DH_UNABLE_TO_CHECK_GENERATOR\s0 is set if the generator cannot be checked, i.e. it does not equal 2 or 5. .SH "RETURN VALUES" -\fIDH_generate_parameters()\fR returns a pointer to the DH structure, or -NULL if the parameter generation fails. The error codes can be -obtained by ERR_get_error(3). +.IX Header "RETURN VALUES" +\&\fIDH_generate_parameters()\fR returns a pointer to the \s-1DH\s0 structure, or +\&\s-1NULL\s0 if the parameter generation fails. The error codes can be +obtained by \fIERR_get_error\fR\|(3). .PP -\fIDH_check()\fR returns 1 if the check could be performed, 0 otherwise. +\&\fIDH_check()\fR returns 1 if the check could be performed, 0 otherwise. .SH "NOTES" -\fIDH_generate_parameters()\fR may run for several hours before finding a +.IX Header "NOTES" +\&\fIDH_generate_parameters()\fR may run for several hours before finding a suitable prime. .PP The parameters generated by \fIDH_generate_parameters()\fR are not to be used in signature schemes. .SH "BUGS" -If \fBgenerator\fR is not 2 or 5, \fBdh->g\fR=\fBgenerator\fR is not +.IX Header "BUGS" +If \fBgenerator\fR is not 2 or 5, \fBdh\->g\fR=\fBgenerator\fR is not a usable generator. .SH "SEE ALSO" -dh(3), ERR_get_error(3), rand(3), -DH_free(3) +.IX Header "SEE ALSO" +\&\fIdh\fR\|(3), \fIERR_get_error\fR\|(3), \fIrand\fR\|(3), +\&\fIDH_free\fR\|(3) .SH "HISTORY" -\fIDH_check()\fR is available in all versions of SSLeay and OpenSSL. +.IX Header "HISTORY" +\&\fIDH_check()\fR is available in all versions of SSLeay and OpenSSL. The \fBcb_arg\fR argument to \fIDH_generate_parameters()\fR was added in SSLeay 0.9.0. .PP -In versions before OpenSSL 0.9.5, DH_CHECK_P_NOT_STRONG_PRIME is used -instead of DH_CHECK_P_NOT_SAFE_PRIME. - -.rn }` '' -.IX Title "DH_generate_parameters 3" -.IX Name "DH_generate_parameters, DH_check - generate and check Diffie-Hellman parameters" - -.IX Header "NAME" - -.IX Header "SYNOPSIS" - -.IX Header "DESCRIPTION" - -.IX Header "RETURN VALUES" - -.IX Header "NOTES" - -.IX Header "BUGS" - -.IX Header "SEE ALSO" - -.IX Header "HISTORY" - +In versions before OpenSSL 0.9.5, \s-1DH_CHECK_P_NOT_STRONG_PRIME\s0 is used +instead of \s-1DH_CHECK_P_NOT_SAFE_PRIME\s0.