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a8ca496ddb
The scrypt and RSA-PSS documents were a mixture of section 3 and section 7 material. With pre-1.1.1 OpenSSL, this is understandable, since we had a different directory layout. With 1.1.1, we've moved to the typical man-page directory layout, and the documents need to be updated accordingly. Also, the scrypt document contained a description of EVP_PKEY_CTX_set1_pbe_pass(), which is a generic function rather than an scrypt specific function, and therefore should be documented separately. Fixes #5802 Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5942)
71 lines
1.8 KiB
Plaintext
71 lines
1.8 KiB
Plaintext
=pod
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=head1 NAME
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EVP_PKEY_CTX_set1_pbe_pass
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- generic KDF support functions
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=head1 SYNOPSIS
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#include <openssl/kdf.h>
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int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *pctx, unsigned char *pass,
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int passlen);
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=head1 DESCRIPTION
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These functions are generic support functions for all KDF algorithms.
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EVP_PKEY_CTX_set1_pbe_pass() sets the password to the B<passlen> first
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bytes from B<pass>.
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=begin comment
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We really should have a few more, such as EVP_PKEY_CTX_set1_kdf_salt,
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EVP_PKEY_CTX_set1_kdf_key (to be used by the algorithms that use a
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key, such as hkdf), EVP_PKEY_CTX_set1_kdf_md (same thing here).
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=end comment
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=head1 STRING CTRLS
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There is also support for string based control operations via
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L<EVP_PKEY_CTX_ctrl_str(3)>.
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The B<password> can be directly specified using the B<type> parameter
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"pass" or given in hex encoding using the "hexpass" parameter.
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=begin comment
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Just as for the function description, the strings "salt", "hexsalt",
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"key", "hexkey" and "md" should be generically specified, and
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supported by the algorithms that use them.
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=end comment
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=head1 NOTES
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All these functions are implemented as macros.
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=head1 RETURN VALUES
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All these functions return 1 for success and 0 or a negative value for failure.
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In particular a return value of -2 indicates the operation is not supported by
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the public key algorithm.
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=head1 SEE ALSO
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L<EVP_PKEY_CTX_new(3)>,
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L<EVP_PKEY_CTX_ctrl_str(3)>,
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L<EVP_PKEY_derive(3)>
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=head1 COPYRIGHT
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Copyright 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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