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.IX Title "EVP_PKEY_CTX_SET1_PBE_PASS 3"
.TH EVP_PKEY_CTX_SET1_PBE_PASS 3 "2023-09-11" "1.1.1w" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
EVP_PKEY_CTX_set1_pbe_pass \&\- generic KDF support functions
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/kdf.h>
\&
\& int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *pctx, unsigned char *pass,
\&                                int passlen);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
These functions are generic support functions for all \s-1KDF\s0 algorithms.
.PP
\&\fBEVP_PKEY_CTX_set1_pbe_pass()\fR sets the password to the \fBpasslen\fR first
bytes from \fBpass\fR.
.SH "STRING CTRLS"
.IX Header "STRING CTRLS"
There is also support for string based control operations via
\&\fBEVP_PKEY_CTX_ctrl_str\fR\|(3).
The \fBpassword\fR can be directly specified using the \fBtype\fR parameter
\&\*(L"pass\*(R" or given in hex encoding using the \*(L"hexpass\*(R" parameter.
.SH "NOTES"
.IX Header "NOTES"
All these functions are implemented as macros.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
All these functions return 1 for success and 0 or a negative value for failure.
In particular a return value of \-2 indicates the operation is not supported by
the public key algorithm.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBEVP_PKEY_CTX_new\fR\|(3),
\&\fBEVP_PKEY_CTX_ctrl_str\fR\|(3),
\&\fBEVP_PKEY_derive\fR\|(3)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.