MirOS Manual: ui_compat(3)


UI_COMPAT(3)                 OpenSSL                 UI_COMPAT(3)

NAME

     des_read_password, des_read_2passwords, des_read_pw_string,
     des_read_pw - Compatibility user interface functions

SYNOPSIS

      int des_read_password(DES_cblock *key,const char *prompt,int verify);
      int des_read_2passwords(DES_cblock *key1,DES_cblock *key2,
             const char *prompt,int verify);

      int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
      int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);

DESCRIPTION

     The DES library contained a few routines to prompt for pass-
     words.  These aren't necessarely dependent on DES, and have
     therefore become part of the UI compatibility library.

     des_read_pw() writes the string specified by prompt to stan-
     dard output turns echo off and reads an input string from
     the terminal.  The string is returned in buf, which must
     have spac for at least size bytes. If verify is set, the
     user is asked for the password twice and unless the two
     copies match, an error is returned.  The second password is
     stored in buff, which must therefore also be at least size
     bytes.  A return code of -1 indicates a system error, 1
     failure due to use interaction, and 0 is success.  All other
     functions described here use des_read_pw() to do the work.

     des_read_pw_string() is a variant of des_read_pw() that pro-
     vides a buffer for you if verify is set.

     des_read_password() calls des_read_pw() and converts the
     password to a DES key by calling DES_string_to_key();
     des_read_2password() operates in the same way as
     des_read_password() except that it generates two keys by
     using the DES_string_to_2key() function.

NOTES

     des_read_pw_string() is available in the MIT Kerberos
     library as well, and is also available under the name
     EVP_read_pw_string().

AUTHOR

     Richard Levitte (richard@levitte.org) for the OpenSSL pro-
     ject (http://www.openssl.org).

MirOS BSD #10-current      2005-02-05                           1

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