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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/ui_compat.pod | |
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Diffstat (limited to 'openssl/doc/crypto/ui_compat.pod')
-rw-r--r-- | openssl/doc/crypto/ui_compat.pod | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/openssl/doc/crypto/ui_compat.pod b/openssl/doc/crypto/ui_compat.pod new file mode 100644 index 000000000..9ab3c69bf --- /dev/null +++ b/openssl/doc/crypto/ui_compat.pod @@ -0,0 +1,55 @@ +=pod + +=head1 NAME + +des_read_password, des_read_2passwords, des_read_pw_string, des_read_pw - +Compatibility user interface functions + +=head1 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); + +=head1 DESCRIPTION + +The DES library contained a few routines to prompt for passwords. 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 I<prompt> to standard output +turns echo off and reads an input string from the terminal. The string is +returned in I<buf>, which must have spac for at least I<size> bytes. +If I<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 I<buff>, which must therefore also be at least I<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 provides a buffer +for you if I<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. + +=head1 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(). + +=head1 SEE ALSO + +L<ui(3)|ui(3)>, L<ui_create(3)|ui_create(3)> + +=head1 AUTHOR + +Richard Levitte (richard@levitte.org) for the OpenSSL project +(http://www.openssl.org). + +=cut |