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author | markm <markm@FreeBSD.org> | 2002-05-14 16:06:50 +0000 |
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committer | markm <markm@FreeBSD.org> | 2002-05-14 16:06:50 +0000 |
commit | aeefd5b3e2766cf2adf46ab0d391c6290c566150 (patch) | |
tree | 1b2346a595f785988975c71a5f29de7e01b24cc4 /secure/lib/libcrypto/man/BN_bn2bin.3 | |
parent | fa71779225949e4336753dba62bf930087152e61 (diff) | |
download | FreeBSD-src-aeefd5b3e2766cf2adf46ab0d391c6290c566150.zip FreeBSD-src-aeefd5b3e2766cf2adf46ab0d391c6290c566150.tar.gz |
As the perl-generated assembler files have been committed, add the
perl-generated (.pod) manual pages too. This is another nail in the
perl5 coffin (for base perl, not the port or the language in general).
Diffstat (limited to 'secure/lib/libcrypto/man/BN_bn2bin.3')
-rw-r--r-- | secure/lib/libcrypto/man/BN_bn2bin.3 | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/BN_bn2bin.3 b/secure/lib/libcrypto/man/BN_bn2bin.3 new file mode 100644 index 0000000..4535d20 --- /dev/null +++ b/secure/lib/libcrypto/man/BN_bn2bin.3 @@ -0,0 +1,233 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Thu May 9 13:16:23 2002 +.\" +.\" 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 Ip \" List item +.br +.ie \\n(.$>=3 .ne \\$3 +.el .ne 3 +.IP "\\$1" \\$2 +.. +.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. No user-serviceable parts. +.bd B 3 +. \" fudge factors for nroff and troff +.if n \{\ +. 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 #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. 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 / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" 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 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' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.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 +. \" 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) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. 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 "BN_BN2BIN 1" +.TH BN_BN2BIN 1 "perl v5.6.1" "2000-11-13" "User Contributed Perl Documentation" +.UC +.SH "NAME" +BN_bn2bin, BN_bin2bn, BN_bn2hex, BN_bn2dec, BN_hex2bn, BN_dec2bn, +BN_print, BN_print_fp, BN_bn2mpi, BN_mpi2bn \- format conversions +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/bn.h> +.Ve +.Vb 2 +\& int BN_bn2bin(const BIGNUM *a, unsigned char *to); +\& BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret); +.Ve +.Vb 4 +\& char *BN_bn2hex(const BIGNUM *a); +\& char *BN_bn2dec(const BIGNUM *a); +\& int BN_hex2bn(BIGNUM **a, const char *str); +\& int BN_dec2bn(BIGNUM **a, const char *str); +.Ve +.Vb 2 +\& int BN_print(BIO *fp, const BIGNUM *a); +\& int BN_print_fp(FILE *fp, const BIGNUM *a); +.Ve +.Vb 2 +\& int BN_bn2mpi(const BIGNUM *a, unsigned char *to); +\& BIGNUM *BN_mpi2bn(unsigned char *s, int len, BIGNUM *ret); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fIBN_bn2bin()\fR converts the absolute value of \fBa\fR into big-endian form +and stores it at \fBto\fR. \fBto\fR must point to BN_num_bytes(\fBa\fR) bytes of +memory. +.PP +\&\fIBN_bin2bn()\fR converts the positive integer in big-endian form of length +\&\fBlen\fR at \fBs\fR into a \fB\s-1BIGNUM\s0\fR and places it in \fBret\fR. If \fBret\fR is +\&\s-1NULL\s0, a new \fB\s-1BIGNUM\s0\fR is created. +.PP +\&\fIBN_bn2hex()\fR and \fIBN_bn2dec()\fR return printable strings containing the +hexadecimal and decimal encoding of \fBa\fR respectively. For negative +numbers, the string is prefaced with a leading '\-'. The string must be +freed later using \fIOPENSSL_free()\fR. +.PP +\&\fIBN_hex2bn()\fR converts the string \fBstr\fR containing a hexadecimal number +to a \fB\s-1BIGNUM\s0\fR and stores it in **\fBbn\fR. If *\fBbn\fR is \s-1NULL\s0, a new +\&\fB\s-1BIGNUM\s0\fR is created. If \fBbn\fR is \s-1NULL\s0, it only computes the number's +length in hexadecimal digits. If the string starts with '\-', the +number is negative. \fIBN_dec2bn()\fR is the same using the decimal system. +.PP +\&\fIBN_print()\fR and \fIBN_print_fp()\fR write the hexadecimal encoding of \fBa\fR, +with a leading '\-' for negative numbers, to the \fB\s-1BIO\s0\fR or \fB\s-1FILE\s0\fR +\&\fBfp\fR. +.PP +\&\fIBN_bn2mpi()\fR and \fIBN_mpi2bn()\fR convert \fB\s-1BIGNUM\s0\fRs from and to a format +that consists of the number's length in bytes represented as a 3\-byte +big-endian number, and the number itself in big-endian format, where +the most significant bit signals a negative number (the representation +of numbers with the \s-1MSB\s0 set is prefixed with null byte). +.PP +\&\fIBN_bn2mpi()\fR stores the representation of \fBa\fR at \fBto\fR, where \fBto\fR +must be large enough to hold the result. The size can be determined by +calling BN_bn2mpi(\fBa\fR, \s-1NULL\s0). +.PP +\&\fIBN_mpi2bn()\fR converts the \fBlen\fR bytes long representation at \fBs\fR to +a \fB\s-1BIGNUM\s0\fR and stores it at \fBret\fR, or in a newly allocated \fB\s-1BIGNUM\s0\fR +if \fBret\fR is \s-1NULL\s0. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fIBN_bn2bin()\fR returns the length of the big-endian number placed at \fBto\fR. +\&\fIBN_bin2bn()\fR returns the \fB\s-1BIGNUM\s0\fR, \s-1NULL\s0 on error. +.PP +\&\fIBN_bn2hex()\fR and \fIBN_bn2dec()\fR return a null-terminated string, or \s-1NULL\s0 +on error. \fIBN_hex2bn()\fR and \fIBN_dec2bn()\fR return the number's length in +hexadecimal or decimal digits, and 0 on error. +.PP +\&\fIBN_print_fp()\fR and \fIBN_print()\fR return 1 on success, 0 on write errors. +.PP +\&\fIBN_bn2mpi()\fR returns the length of the representation. \fIBN_mpi2bn()\fR +returns the \fB\s-1BIGNUM\s0\fR, and \s-1NULL\s0 on error. +.PP +The error codes can be obtained by ERR_get_error(3). +.SH "SEE ALSO" +.IX Header "SEE ALSO" +bn(3), err(3), BN_zero(3), +ASN1_INTEGER_to_BN(3), +BN_num_bytes(3) +.SH "HISTORY" +.IX Header "HISTORY" +\&\fIBN_bn2bin()\fR, \fIBN_bin2bn()\fR, \fIBN_print_fp()\fR and \fIBN_print()\fR are available +in all versions of SSLeay and OpenSSL. +.PP +\&\fIBN_bn2hex()\fR, \fIBN_bn2dec()\fR, \fIBN_hex2bn()\fR, \fIBN_dec2bn()\fR, \fIBN_bn2mpi()\fR and +\&\fIBN_mpi2bn()\fR were added in SSLeay 0.9.0. |