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author | markm <markm@FreeBSD.org> | 2003-01-28 22:58:14 +0000 |
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committer | markm <markm@FreeBSD.org> | 2003-01-28 22:58:14 +0000 |
commit | ecacd12edb99d739f012912174233320c5f8262f (patch) | |
tree | b81a83b72c76fb8541cf06d3e99d92f1c0fc0888 /secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3 | |
parent | b159341ed957acbcab2f9bdd46c0b82ecd2e7864 (diff) | |
download | FreeBSD-src-ecacd12edb99d739f012912174233320c5f8262f.zip FreeBSD-src-ecacd12edb99d739f012912174233320c5f8262f.tar.gz |
Update for OpenSSL 0.9.7. No assembler code at the moment. This
will follow.
Diffstat (limited to 'secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3')
-rw-r--r-- | secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3 | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3 b/secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3 new file mode 100644 index 0000000..c165532 --- /dev/null +++ b/secure/lib/libssl/man/SSL_CTX_set_default_passwd_cb.3 @@ -0,0 +1,213 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Mon Jan 13 19:34:44 2003 +.\" +.\" 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. 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On invocation a pointer to \fBuserdata\fR +is provided. The pem_passwd_cb must write the password into the provided buffer +\&\fBbuf\fR which is of size \fBsize\fR. The actual length of the password must +be returned to the calling function. \fBrwflag\fR indicates whether the +callback is used for reading/decryption (rwflag=0) or writing/encryption +(rwflag=1). +.SH "NOTES" +.IX Header "NOTES" +When loading or storing private keys, a password might be supplied to +protect the private key. The way this password can be supplied may depend +on the application. If only one private key is handled, it can be practical +to have \fIpem_passwd_cb()\fR handle the password dialog interactively. If several +keys have to be handled, it can be practical to ask for the password once, +then keep it in memory and use it several times. In the last case, the +password could be stored into the \fBuserdata\fR storage and the +\&\fIpem_passwd_cb()\fR only returns the password already stored. +.PP +When asking for the password interactively, \fIpem_passwd_cb()\fR can use +\&\fBrwflag\fR to check, whether an item shall be encrypted (rwflag=1). +In this case the password dialog may ask for the same password twice +for comparison in order to catch typos, that would make decryption +impossible. +.PP +Other items in \s-1PEM\s0 formatting (certificates) can also be encrypted, it is +however not usual, as certificate information is considered public. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fISSL_CTX_set_default_passwd_cb()\fR and \fISSL_CTX_set_default_passwd_cb_userdata()\fR +do not provide diagnostic information. +.SH "EXAMPLES" +.IX Header "EXAMPLES" +The following example returns the password provided as \fBuserdata\fR to the +calling function. The password is considered to be a '\e0' terminated +string. If the password does not fit into the buffer, the password is +truncated. +.PP +.Vb 6 +\& int pem_passwd_cb(char *buf, int size, int rwflag, void *password) +\& { +\& strncpy(buf, (char *)(password), size); +\& buf[size - 1] = '\e0'; +\& return(strlen(buf)); +\& } +.Ve +.SH "SEE ALSO" +.IX Header "SEE ALSO" +ssl(3), +SSL_CTX_use_certificate(3) |