OpenSSL: Regen manual pages for OpenSSL 1.1.1j.

This commit is contained in:
Jung-uk Kim 2021-02-16 17:05:00 -05:00
parent 88e852c0b5
commit e25db73fea
539 changed files with 642 additions and 1167 deletions

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.include <bsd.own.mk>
# OpenSSL version used for manual page generation
OPENSSL_VER= 1.1.1i
OPENSSL_DATE= 2020-12-08
OPENSSL_VER= 1.1.1j
OPENSSL_DATE= 2021-02-16
LCRYPTO_SRC= ${SRCTOP}/crypto/openssl
LCRYPTO_DOC= ${LCRYPTO_SRC}/doc

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.\" ========================================================================
.\"
.IX Title "ADMISSIONS 3"
.TH ADMISSIONS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ADMISSIONS 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_INTEGER_GET_INT64 3"
.TH ASN1_INTEGER_GET_INT64 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_INTEGER_GET_INT64 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_ITEM_LOOKUP 3"
.TH ASN1_ITEM_LOOKUP 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_ITEM_LOOKUP 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_OBJECT_NEW 3"
.TH ASN1_OBJECT_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_OBJECT_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_STRING_TABLE_ADD 3"
.TH ASN1_STRING_TABLE_ADD 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_STRING_TABLE_ADD 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_STRING_LENGTH 3"
.TH ASN1_STRING_LENGTH 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_STRING_LENGTH 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_STRING_NEW 3"
.TH ASN1_STRING_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_STRING_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_STRING_PRINT_EX 3"
.TH ASN1_STRING_PRINT_EX 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_STRING_PRINT_EX 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_TIME_SET 3"
.TH ASN1_TIME_SET 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_TIME_SET 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_TYPE_GET 3"
.TH ASN1_TYPE_GET 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_TYPE_GET 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASN1_GENERATE_NCONF 3"
.TH ASN1_GENERATE_NCONF 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASN1_GENERATE_NCONF 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASYNC_WAIT_CTX_NEW 3"
.TH ASYNC_WAIT_CTX_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASYNC_WAIT_CTX_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "ASYNC_START_JOB 3"
.TH ASYNC_START_JOB 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH ASYNC_START_JOB 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BF_ENCRYPT 3"
.TH BF_ENCRYPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BF_ENCRYPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_ADDR 3"
.TH BIO_ADDR 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_ADDR 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_ADDRINFO 3"
.TH BIO_ADDRINFO 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_ADDRINFO 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_CONNECT 3"
.TH BIO_CONNECT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_CONNECT 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_CTRL 3"
.TH BIO_CTRL 3 "2021-01-21" "1.1.1i" "OpenSSL"
.TH BIO_CTRL 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_BASE64 3"
.TH BIO_F_BASE64 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_BASE64 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_BUFFER 3"
.TH BIO_F_BUFFER 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_BUFFER 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_CIPHER 3"
.TH BIO_F_CIPHER 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_CIPHER 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_MD 3"
.TH BIO_F_MD 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_MD 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_NULL 3"
.TH BIO_F_NULL 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_NULL 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_F_SSL 3"
.TH BIO_F_SSL 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_F_SSL 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_FIND_TYPE 3"
.TH BIO_FIND_TYPE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_FIND_TYPE 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_GET_DATA 3"
.TH BIO_GET_DATA 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_GET_DATA 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
.\"
.IX Title "BIO_GET_EX_NEW_INDEX 3"
.TH BIO_GET_EX_NEW_INDEX 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_GET_EX_NEW_INDEX 3 "2021-02-16" "1.1.1j" "OpenSSL"
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.\" ========================================================================
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.\" ========================================================================
.\"
.IX Title "BIO_CTRL 3"
.TH BIO_CTRL 3 "2021-01-21" "1.1.1i" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
BIO_ctrl, BIO_callback_ctrl, BIO_ptr_ctrl, BIO_int_ctrl, BIO_reset, BIO_seek, BIO_tell, BIO_flush, BIO_eof, BIO_set_close, BIO_get_close, BIO_pending, BIO_wpending, BIO_ctrl_pending, BIO_ctrl_wpending, BIO_get_info_callback, BIO_set_info_callback, BIO_info_cb, BIO_get_ktls_send, BIO_get_ktls_recv \&\- BIO control operations
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/bio.h>
\&
\& typedef int BIO_info_cb(BIO *b, int state, int res);
\&
\& long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
\& long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *cb);
\& char *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
\& long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
\&
\& int BIO_reset(BIO *b);
\& int BIO_seek(BIO *b, int ofs);
\& int BIO_tell(BIO *b);
\& int BIO_flush(BIO *b);
\& int BIO_eof(BIO *b);
\& int BIO_set_close(BIO *b, long flag);
\& int BIO_get_close(BIO *b);
\& int BIO_pending(BIO *b);
\& int BIO_wpending(BIO *b);
\& size_t BIO_ctrl_pending(BIO *b);
\& size_t BIO_ctrl_wpending(BIO *b);
\&
\& int BIO_get_info_callback(BIO *b, BIO_info_cb **cbp);
\& int BIO_set_info_callback(BIO *b, BIO_info_cb *cb);
\&
\& int BIO_get_ktls_send(BIO *b);
\& int BIO_get_ktls_recv(BIO *b);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBBIO_ctrl()\fR, \fBBIO_callback_ctrl()\fR, \fBBIO_ptr_ctrl()\fR and \fBBIO_int_ctrl()\fR
are \s-1BIO\s0 \*(L"control\*(R" operations taking arguments of various types.
These functions are not normally called directly, various macros
are used instead. The standard macros are described below, macros
specific to a particular type of \s-1BIO\s0 are described in the specific
BIOs manual page as well as any special features of the standard
calls.
.PP
\&\fBBIO_reset()\fR typically resets a \s-1BIO\s0 to some initial state, in the case
of file related BIOs for example it rewinds the file pointer to the
start of the file.
.PP
\&\fBBIO_seek()\fR resets a file related \s-1BIO\s0's (that is file descriptor and
\&\s-1FILE\s0 BIOs) file position pointer to \fBofs\fR bytes from start of file.
.PP
\&\fBBIO_tell()\fR returns the current file position of a file related \s-1BIO.\s0
.PP
\&\fBBIO_flush()\fR normally writes out any internally buffered data, in some
cases it is used to signal \s-1EOF\s0 and that no more data will be written.
.PP
\&\fBBIO_eof()\fR returns 1 if the \s-1BIO\s0 has read \s-1EOF,\s0 the precise meaning of
\&\*(L"\s-1EOF\*(R"\s0 varies according to the \s-1BIO\s0 type.
.PP
\&\fBBIO_set_close()\fR sets the \s-1BIO\s0 \fBb\fR close flag to \fBflag\fR. \fBflag\fR can
take the value \s-1BIO_CLOSE\s0 or \s-1BIO_NOCLOSE.\s0 Typically \s-1BIO_CLOSE\s0 is used
in a source/sink \s-1BIO\s0 to indicate that the underlying I/O stream should
be closed when the \s-1BIO\s0 is freed.
.PP
\&\fBBIO_get_close()\fR returns the BIOs close flag.
.PP
\&\fBBIO_pending()\fR, \fBBIO_ctrl_pending()\fR, \fBBIO_wpending()\fR and \fBBIO_ctrl_wpending()\fR
return the number of pending characters in the BIOs read and write buffers.
Not all BIOs support these calls. \fBBIO_ctrl_pending()\fR and \fBBIO_ctrl_wpending()\fR
return a size_t type and are functions, \fBBIO_pending()\fR and \fBBIO_wpending()\fR are
macros which call \fBBIO_ctrl()\fR.
.PP
\&\fBBIO_get_ktls_send()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
sending. Otherwise, it returns zero.
\&\fBBIO_get_ktls_recv()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
receiving. Otherwise, it returns zero.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBBIO_reset()\fR normally returns 1 for success and 0 or \-1 for failure. File
BIOs are an exception, they return 0 for success and \-1 for failure.
.PP
\&\fBBIO_seek()\fR and \fBBIO_tell()\fR both return the current file position on success
and \-1 for failure, except file BIOs which for \fBBIO_seek()\fR always return 0
for success and \-1 for failure.
.PP
\&\fBBIO_flush()\fR returns 1 for success and 0 or \-1 for failure.
.PP
\&\fBBIO_eof()\fR returns 1 if \s-1EOF\s0 has been reached 0 otherwise.
.PP
\&\fBBIO_set_close()\fR always returns 1.
.PP
\&\fBBIO_get_close()\fR returns the close flag value: \s-1BIO_CLOSE\s0 or \s-1BIO_NOCLOSE.\s0
.PP
\&\fBBIO_pending()\fR, \fBBIO_ctrl_pending()\fR, \fBBIO_wpending()\fR and \fBBIO_ctrl_wpending()\fR
return the amount of pending data.
.PP
\&\fBBIO_get_ktls_send()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
sending. Otherwise, it returns zero.
\&\fBBIO_get_ktls_recv()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
receiving. Otherwise, it returns zero.
.SH "NOTES"
.IX Header "NOTES"
\&\fBBIO_flush()\fR, because it can write data may return 0 or \-1 indicating
that the call should be retried later in a similar manner to \fBBIO_write_ex()\fR.
The \fBBIO_should_retry()\fR call should be used and appropriate action taken
is the call fails.
.PP
The return values of \fBBIO_pending()\fR and \fBBIO_wpending()\fR may not reliably
determine the amount of pending data in all cases. For example in the
case of a file \s-1BIO\s0 some data may be available in the \s-1FILE\s0 structures
internal buffers but it is not possible to determine this in a
portably way. For other types of \s-1BIO\s0 they may not be supported.
.PP
Filter BIOs if they do not internally handle a particular \fBBIO_ctrl()\fR
operation usually pass the operation to the next \s-1BIO\s0 in the chain.
This often means there is no need to locate the required \s-1BIO\s0 for
a particular operation, it can be called on a chain and it will
be automatically passed to the relevant \s-1BIO.\s0 However, this can cause
unexpected results: for example no current filter BIOs implement
\&\fBBIO_seek()\fR, but this may still succeed if the chain ends in a \s-1FILE\s0
or file descriptor \s-1BIO.\s0
.PP
Source/sink BIOs return an 0 if they do not recognize the \fBBIO_ctrl()\fR
operation.
.SH "BUGS"
.IX Header "BUGS"
Some of the return values are ambiguous and care should be taken. In
particular a return value of 0 can be returned if an operation is not
supported, if an error occurred, if \s-1EOF\s0 has not been reached and in
the case of \fBBIO_seek()\fR on a file \s-1BIO\s0 for a successful operation.
.SH "HISTORY"
.IX Header "HISTORY"
The \fBBIO_get_ktls_send()\fR and \fBBIO_get_ktls_recv()\fR functions were added in
OpenSSL 3.0.0.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2000\-2020 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>.

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@ -1,280 +0,0 @@
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.rm #[ #] #H #V #F C
.\" ========================================================================
.\"
.IX Title "BIO_CTRL 3"
.TH BIO_CTRL 3 "2021-01-21" "1.1.1i" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
BIO_ctrl, BIO_callback_ctrl, BIO_ptr_ctrl, BIO_int_ctrl, BIO_reset, BIO_seek, BIO_tell, BIO_flush, BIO_eof, BIO_set_close, BIO_get_close, BIO_pending, BIO_wpending, BIO_ctrl_pending, BIO_ctrl_wpending, BIO_get_info_callback, BIO_set_info_callback, BIO_info_cb, BIO_get_ktls_send, BIO_get_ktls_recv \&\- BIO control operations
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/bio.h>
\&
\& typedef int BIO_info_cb(BIO *b, int state, int res);
\&
\& long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
\& long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *cb);
\& char *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
\& long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
\&
\& int BIO_reset(BIO *b);
\& int BIO_seek(BIO *b, int ofs);
\& int BIO_tell(BIO *b);
\& int BIO_flush(BIO *b);
\& int BIO_eof(BIO *b);
\& int BIO_set_close(BIO *b, long flag);
\& int BIO_get_close(BIO *b);
\& int BIO_pending(BIO *b);
\& int BIO_wpending(BIO *b);
\& size_t BIO_ctrl_pending(BIO *b);
\& size_t BIO_ctrl_wpending(BIO *b);
\&
\& int BIO_get_info_callback(BIO *b, BIO_info_cb **cbp);
\& int BIO_set_info_callback(BIO *b, BIO_info_cb *cb);
\&
\& int BIO_get_ktls_send(BIO *b);
\& int BIO_get_ktls_recv(BIO *b);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBBIO_ctrl()\fR, \fBBIO_callback_ctrl()\fR, \fBBIO_ptr_ctrl()\fR and \fBBIO_int_ctrl()\fR
are \s-1BIO\s0 \*(L"control\*(R" operations taking arguments of various types.
These functions are not normally called directly, various macros
are used instead. The standard macros are described below, macros
specific to a particular type of \s-1BIO\s0 are described in the specific
BIOs manual page as well as any special features of the standard
calls.
.PP
\&\fBBIO_reset()\fR typically resets a \s-1BIO\s0 to some initial state, in the case
of file related BIOs for example it rewinds the file pointer to the
start of the file.
.PP
\&\fBBIO_seek()\fR resets a file related \s-1BIO\s0's (that is file descriptor and
\&\s-1FILE\s0 BIOs) file position pointer to \fBofs\fR bytes from start of file.
.PP
\&\fBBIO_tell()\fR returns the current file position of a file related \s-1BIO.\s0
.PP
\&\fBBIO_flush()\fR normally writes out any internally buffered data, in some
cases it is used to signal \s-1EOF\s0 and that no more data will be written.
.PP
\&\fBBIO_eof()\fR returns 1 if the \s-1BIO\s0 has read \s-1EOF,\s0 the precise meaning of
\&\*(L"\s-1EOF\*(R"\s0 varies according to the \s-1BIO\s0 type.
.PP
\&\fBBIO_set_close()\fR sets the \s-1BIO\s0 \fBb\fR close flag to \fBflag\fR. \fBflag\fR can
take the value \s-1BIO_CLOSE\s0 or \s-1BIO_NOCLOSE.\s0 Typically \s-1BIO_CLOSE\s0 is used
in a source/sink \s-1BIO\s0 to indicate that the underlying I/O stream should
be closed when the \s-1BIO\s0 is freed.
.PP
\&\fBBIO_get_close()\fR returns the BIOs close flag.
.PP
\&\fBBIO_pending()\fR, \fBBIO_ctrl_pending()\fR, \fBBIO_wpending()\fR and \fBBIO_ctrl_wpending()\fR
return the number of pending characters in the BIOs read and write buffers.
Not all BIOs support these calls. \fBBIO_ctrl_pending()\fR and \fBBIO_ctrl_wpending()\fR
return a size_t type and are functions, \fBBIO_pending()\fR and \fBBIO_wpending()\fR are
macros which call \fBBIO_ctrl()\fR.
.PP
\&\fBBIO_get_ktls_send()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
sending. Otherwise, it returns zero.
\&\fBBIO_get_ktls_recv()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
receiving. Otherwise, it returns zero.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBBIO_reset()\fR normally returns 1 for success and 0 or \-1 for failure. File
BIOs are an exception, they return 0 for success and \-1 for failure.
.PP
\&\fBBIO_seek()\fR and \fBBIO_tell()\fR both return the current file position on success
and \-1 for failure, except file BIOs which for \fBBIO_seek()\fR always return 0
for success and \-1 for failure.
.PP
\&\fBBIO_flush()\fR returns 1 for success and 0 or \-1 for failure.
.PP
\&\fBBIO_eof()\fR returns 1 if \s-1EOF\s0 has been reached 0 otherwise.
.PP
\&\fBBIO_set_close()\fR always returns 1.
.PP
\&\fBBIO_get_close()\fR returns the close flag value: \s-1BIO_CLOSE\s0 or \s-1BIO_NOCLOSE.\s0
.PP
\&\fBBIO_pending()\fR, \fBBIO_ctrl_pending()\fR, \fBBIO_wpending()\fR and \fBBIO_ctrl_wpending()\fR
return the amount of pending data.
.PP
\&\fBBIO_get_ktls_send()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
sending. Otherwise, it returns zero.
\&\fBBIO_get_ktls_recv()\fR returns 1 if the \s-1BIO\s0 is using the Kernel \s-1TLS\s0 data-path for
receiving. Otherwise, it returns zero.
.SH "NOTES"
.IX Header "NOTES"
\&\fBBIO_flush()\fR, because it can write data may return 0 or \-1 indicating
that the call should be retried later in a similar manner to \fBBIO_write_ex()\fR.
The \fBBIO_should_retry()\fR call should be used and appropriate action taken
is the call fails.
.PP
The return values of \fBBIO_pending()\fR and \fBBIO_wpending()\fR may not reliably
determine the amount of pending data in all cases. For example in the
case of a file \s-1BIO\s0 some data may be available in the \s-1FILE\s0 structures
internal buffers but it is not possible to determine this in a
portably way. For other types of \s-1BIO\s0 they may not be supported.
.PP
Filter BIOs if they do not internally handle a particular \fBBIO_ctrl()\fR
operation usually pass the operation to the next \s-1BIO\s0 in the chain.
This often means there is no need to locate the required \s-1BIO\s0 for
a particular operation, it can be called on a chain and it will
be automatically passed to the relevant \s-1BIO.\s0 However, this can cause
unexpected results: for example no current filter BIOs implement
\&\fBBIO_seek()\fR, but this may still succeed if the chain ends in a \s-1FILE\s0
or file descriptor \s-1BIO.\s0
.PP
Source/sink BIOs return an 0 if they do not recognize the \fBBIO_ctrl()\fR
operation.
.SH "BUGS"
.IX Header "BUGS"
Some of the return values are ambiguous and care should be taken. In
particular a return value of 0 can be returned if an operation is not
supported, if an error occurred, if \s-1EOF\s0 has not been reached and in
the case of \fBBIO_seek()\fR on a file \s-1BIO\s0 for a successful operation.
.SH "HISTORY"
.IX Header "HISTORY"
The \fBBIO_get_ktls_send()\fR and \fBBIO_get_ktls_recv()\fR functions were added in
OpenSSL 3.0.0.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2000\-2020 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>.

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_METH_NEW 3"
.TH BIO_METH_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_METH_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_NEW 3"
.TH BIO_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_NEW_CMS 3"
.TH BIO_NEW_CMS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_NEW_CMS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_PARSE_HOSTSERV 3"
.TH BIO_PARSE_HOSTSERV 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_PARSE_HOSTSERV 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_PRINTF 3"
.TH BIO_PRINTF 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_PRINTF 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_PUSH 3"
.TH BIO_PUSH 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_PUSH 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_READ 3"
.TH BIO_READ 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_READ 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_ACCEPT 3"
.TH BIO_S_ACCEPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_ACCEPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_BIO 3"
.TH BIO_S_BIO 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_BIO 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_CONNECT 3"
.TH BIO_S_CONNECT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_CONNECT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_FD 3"
.TH BIO_S_FD 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_FD 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_FILE 3"
.TH BIO_S_FILE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_FILE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_MEM 3"
.TH BIO_S_MEM 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_MEM 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_NULL 3"
.TH BIO_S_NULL 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_NULL 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_S_SOCKET 3"
.TH BIO_S_SOCKET 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_S_SOCKET 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_SET_CALLBACK 3"
.TH BIO_SET_CALLBACK 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_SET_CALLBACK 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BIO_SHOULD_RETRY 3"
.TH BIO_SHOULD_RETRY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BIO_SHOULD_RETRY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_BLINDING_NEW 3"
.TH BN_BLINDING_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_BLINDING_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_CTX_NEW 3"
.TH BN_CTX_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_CTX_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_CTX_START 3"
.TH BN_CTX_START 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_CTX_START 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_ADD 3"
.TH BN_ADD 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_ADD 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_ADD_WORD 3"
.TH BN_ADD_WORD 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_ADD_WORD 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_BN2BIN 3"
.TH BN_BN2BIN 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_BN2BIN 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_CMP 3"
.TH BN_CMP 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_CMP 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_COPY 3"
.TH BN_COPY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_COPY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_GENERATE_PRIME 3"
.TH BN_GENERATE_PRIME 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_GENERATE_PRIME 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_MOD_INVERSE 3"
.TH BN_MOD_INVERSE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_MOD_INVERSE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_MOD_MUL_MONTGOMERY 3"
.TH BN_MOD_MUL_MONTGOMERY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_MOD_MUL_MONTGOMERY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_MOD_MUL_RECIPROCAL 3"
.TH BN_MOD_MUL_RECIPROCAL 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_MOD_MUL_RECIPROCAL 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_NEW 3"
.TH BN_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_NUM_BYTES 3"
.TH BN_NUM_BYTES 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_NUM_BYTES 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_RAND 3"
.TH BN_RAND 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_RAND 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_SECURITY_BITS 3"
.TH BN_SECURITY_BITS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_SECURITY_BITS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_SET_BIT 3"
.TH BN_SET_BIT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_SET_BIT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_SWAP 3"
.TH BN_SWAP 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_SWAP 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BN_ZERO 3"
.TH BN_ZERO 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BN_ZERO 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "BUF_MEM_NEW 3"
.TH BUF_MEM_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH BUF_MEM_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_ADD0_CERT 3"
.TH CMS_ADD0_CERT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_ADD0_CERT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_ADD1_RECIPIENT_CERT 3"
.TH CMS_ADD1_RECIPIENT_CERT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_ADD1_RECIPIENT_CERT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_ADD1_SIGNER 3"
.TH CMS_ADD1_SIGNER 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_ADD1_SIGNER 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_COMPRESS 3"
.TH CMS_COMPRESS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_COMPRESS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_DECRYPT 3"
.TH CMS_DECRYPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_DECRYPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_ENCRYPT 3"
.TH CMS_ENCRYPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_ENCRYPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_FINAL 3"
.TH CMS_FINAL 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_FINAL 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_GET0_RECIPIENTINFOS 3"
.TH CMS_GET0_RECIPIENTINFOS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_GET0_RECIPIENTINFOS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_GET0_SIGNERINFOS 3"
.TH CMS_GET0_SIGNERINFOS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_GET0_SIGNERINFOS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_GET0_TYPE 3"
.TH CMS_GET0_TYPE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_GET0_TYPE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_GET1_RECEIPTREQUEST 3"
.TH CMS_GET1_RECEIPTREQUEST 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_GET1_RECEIPTREQUEST 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_SIGN 3"
.TH CMS_SIGN 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_SIGN 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_SIGN_RECEIPT 3"
.TH CMS_SIGN_RECEIPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_SIGN_RECEIPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_UNCOMPRESS 3"
.TH CMS_UNCOMPRESS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_UNCOMPRESS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_VERIFY 3"
.TH CMS_VERIFY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_VERIFY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CMS_VERIFY_RECEIPT 3"
.TH CMS_VERIFY_RECEIPT 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CMS_VERIFY_RECEIPT 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CONF_MODULES_FREE 3"
.TH CONF_MODULES_FREE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CONF_MODULES_FREE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CONF_MODULES_LOAD_FILE 3"
.TH CONF_MODULES_LOAD_FILE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CONF_MODULES_LOAD_FILE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CRYPTO_THREAD_RUN_ONCE 3"
.TH CRYPTO_THREAD_RUN_ONCE 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CRYPTO_THREAD_RUN_ONCE 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CRYPTO_GET_EX_NEW_INDEX 3"
.TH CRYPTO_GET_EX_NEW_INDEX 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CRYPTO_GET_EX_NEW_INDEX 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CRYPTO_MEMCMP 3"
.TH CRYPTO_MEMCMP 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CRYPTO_MEMCMP 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CTLOG_STORE_GET0_LOG_BY_ID 3"
.TH CTLOG_STORE_GET0_LOG_BY_ID 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CTLOG_STORE_GET0_LOG_BY_ID 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CTLOG_STORE_NEW 3"
.TH CTLOG_STORE_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CTLOG_STORE_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CTLOG_NEW 3"
.TH CTLOG_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CTLOG_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "CT_POLICY_EVAL_CTX_NEW 3"
.TH CT_POLICY_EVAL_CTX_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH CT_POLICY_EVAL_CTX_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DEFINE_STACK_OF 3"
.TH DEFINE_STACK_OF 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DEFINE_STACK_OF 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DES_RANDOM_KEY 3"
.TH DES_RANDOM_KEY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DES_RANDOM_KEY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,13 +133,13 @@
.\" ========================================================================
.\"
.IX Title "DH_GENERATE_KEY 3"
.TH DH_GENERATE_KEY 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_GENERATE_KEY 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
DH_generate_key, DH_compute_key \- perform Diffie\-Hellman key exchange
DH_generate_key, DH_compute_key, DH_compute_key_padded \- perform Diffie\-Hellman key exchange
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
@ -147,14 +147,16 @@ DH_generate_key, DH_compute_key \- perform Diffie\-Hellman key exchange
\&
\& int DH_generate_key(DH *dh);
\&
\& int DH_compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh);
\& int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
\&
\& int DH_compute_key_padded(unsigned char *key, const BIGNUM *pub_key, DH *dh);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBDH_generate_key()\fR performs the first step of a Diffie-Hellman key
exchange by generating private and public \s-1DH\s0 values. By calling
\&\fBDH_compute_key()\fR, these are combined with the other party's public
value to compute the shared key.
\&\fBDH_compute_key()\fR or \fBDH_compute_key_padded()\fR, these are combined with
the other party's public value to compute the shared key.
.PP
\&\fBDH_generate_key()\fR expects \fBdh\fR to contain the shared parameters
\&\fBdh\->p\fR and \fBdh\->g\fR. It generates a random private \s-1DH\s0 value
@ -165,6 +167,14 @@ published.
\&\fBDH_compute_key()\fR computes the shared secret from the private \s-1DH\s0 value
in \fBdh\fR and the other party's public value in \fBpub_key\fR and stores
it in \fBkey\fR. \fBkey\fR must point to \fBDH_size(dh)\fR bytes of memory.
The padding style is \s-1RFC 5246\s0 (8.1.2) that strips leading zero bytes.
It is not constant time due to the leading zero bytes being stripped.
The return value should be considered public.
.PP
\&\fBDH_compute_key_padded()\fR is similar but stores a fixed number of bytes.
The padding style is \s-1NIST SP 800\-56A\s0 (C.1) that retains leading zero bytes.
It is constant time due to the leading zero bytes being retained.
The return value should be considered public.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBDH_generate_key()\fR returns 1 on success, 0 otherwise.
@ -172,13 +182,18 @@ it in \fBkey\fR. \fBkey\fR must point to \fBDH_size(dh)\fR bytes of memory.
\&\fBDH_compute_key()\fR returns the size of the shared secret on success, \-1
on error.
.PP
\&\fBDH_compute_key_padded()\fR returns \fBDH_size(dh)\fR on success, \-1 on error.
.PP
The error codes can be obtained by \fBERR_get_error\fR\|(3).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBDH_new\fR\|(3), \fBERR_get_error\fR\|(3), \fBRAND_bytes\fR\|(3), \fBDH_size\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
\&\fBDH_compute_key_padded()\fR was added in OpenSSL 1.0.2.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2000\-2016 The OpenSSL Project Authors. All Rights Reserved.
Copyright 2000\-2021 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

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DH_GENERATE_PARAMETERS 3"
.TH DH_GENERATE_PARAMETERS 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_GENERATE_PARAMETERS 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DH_GET0_PQG 3"
.TH DH_GET0_PQG 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_GET0_PQG 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DH_GET_1024_160 3"
.TH DH_GET_1024_160 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_GET_1024_160 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DH_METH_NEW 3"
.TH DH_METH_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_METH_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "DH_NEW 3"
.TH DH_NEW 3 "2020-12-08" "1.1.1i" "OpenSSL"
.TH DH_NEW 3 "2021-02-16" "1.1.1j" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l

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