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61f805c1d5
Because the related PR/commits are merged in 2018... Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/4976)
73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
=pod
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=head1 NAME
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UI_UTIL_read_pw_string, UI_UTIL_read_pw,
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UI_UTIL_wrap_read_pem_callback - user interface utilities
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=head1 SYNOPSIS
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#include <openssl/ui.h>
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int UI_UTIL_read_pw_string(char *buf, int length, const char *prompt,
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int verify);
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int UI_UTIL_read_pw(char *buf, char *buff, int size, const char *prompt,
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int verify);
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UI_METHOD *UI_UTIL_wrap_read_pem_callback(pem_password_cb *cb, int rwflag);
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=head1 DESCRIPTION
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UI_UTIL_read_pw_string() asks for a passphrase, using B<prompt> as a
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prompt, and stores it in B<buf>.
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The maximum allowed size is given with B<length>, including the
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terminating NUL byte.
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If B<verify> is non-zero, the password will be verified as well.
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UI_UTIL_read_pw() does the same as UI_UTIL_read_pw_string(), the
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difference is that you can give it an external buffer B<buff> for the
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verification passphrase.
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UI_UTIL_wrap_read_pem_callback() can be used to create a temporary
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B<UI_METHOD> that wraps a given PEM password callback B<cb>.
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B<rwflag> is used to specify if this method will be used for
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passphrase entry without (0) or with (1) verification.
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When not used any more, the returned method should be freed with
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UI_destroy_method().
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=head1 NOTES
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UI_UTIL_read_pw_string() and UI_UTIL_read_pw() use default
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B<UI_METHOD>.
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See L<UI_get_default_method(3)> and friends for more information.
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The result from the B<UI_METHOD> created by
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UI_UTIL_wrap_read_pem_callback() will generate password strings in the
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encoding that the given password callback generates.
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The default password prompting functions (apart from
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UI_UTIL_read_pw_string() and UI_UTIL_read_pw(), there is
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PEM_def_callback(), EVP_read_pw_string() and EVP_read_pw_string_min())
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all use the default B<UI_METHOD>.
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=head1 RETURN VALUES
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UI_UTIL_read_pw_string() and UI_UTIL_read_pw() return 0 on success or a negative
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value on error.
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UI_UTIL_wrap_read_pem_callback() returns a valid B<UI_METHOD> structure or NULL
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if an error occurred.
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=head1 SEE ALSO
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L<UI_get_default_method(3)>
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=head1 COPYRIGHT
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Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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