195 lines
6.0 KiB
Groff
195 lines
6.0 KiB
Groff
.\" $NetBSD: openssl_ui_compat.3,v 1.1 2003/07/24 14:16:53 itojun Exp $
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.\" ======================================================================
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.\"
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.IX Title "ui_compat 3"
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.TH ui_compat 3 "0.9.7b" "2001-10-26" "OpenSSL"
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.UC
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.SH "NAME"
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des_read_password, des_read_2passwords, des_read_pw_string, des_read_pw \-
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Compatibility user interface functions
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.SH "LIBRARY"
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libcrypto, -lcrypto
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 3
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\& int des_read_password(DES_cblock *key,const char *prompt,int verify);
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\& int des_read_2passwords(DES_cblock *key1,DES_cblock *key2,
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\& const char *prompt,int verify);
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.Ve
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.Vb 2
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\& int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
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\& int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \s-1DES\s0 library contained a few routines to prompt for passwords. These
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aren't necessarely dependent on \s-1DES\s0, and have therefore become part of the
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\&\s-1UI\s0 compatibility library.
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.PP
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\&\fIdes_read_pw()\fR writes the string specified by \fIprompt\fR to standard output
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turns echo off and reads an input string from the terminal. The string is
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returned in \fIbuf\fR, which must have spac for at least \fIsize\fR bytes.
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If \fIverify\fR is set, the user is asked for the password twice and unless
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the two copies match, an error is returned. The second password is stored
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in \fIbuff\fR, which must therefore also be at least \fIsize\fR bytes. A return
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code of \-1 indicates a system error, 1 failure due to use interaction, and
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0 is success. All other functions described here use \fIdes_read_pw()\fR to do
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the work.
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.PP
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\&\fIdes_read_pw_string()\fR is a variant of \fIdes_read_pw()\fR that provides a buffer
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for you if \fIverify\fR is set.
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.PP
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\&\fIdes_read_password()\fR calls \fIdes_read_pw()\fR and converts the password to a
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\&\s-1DES\s0 key by calling \fIDES_string_to_key()\fR; \fIdes_read_2password()\fR operates in
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the same way as \fIdes_read_password()\fR except that it generates two keys
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by using the \fIDES_string_to_2key()\fR function.
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.SH "NOTES"
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.IX Header "NOTES"
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\&\fIdes_read_pw_string()\fR is available in the \s-1MIT\s0 Kerberos library as well, and
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is also available under the name \fIEVP_read_pw_string()\fR.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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ui(3), ui_create(3)
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.SH "AUTHOR"
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.IX Header "AUTHOR"
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Richard Levitte (richard@levitte.org) for the OpenSSL project
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(http://www.openssl.org).
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