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- .TH PUSHSSL 2
- .SH NAME
- pushssl \- attach SSL version 2 encryption to a communication channel
- .SH SYNOPSIS
- .B #include <u.h>
- .br
- .B #include <libc.h>
- .PP
- .B
- int pushssl(int fd, char *alg, char *secin, char *secout, int *cfd)
- .SH DESCRIPTION
- .I Pushssl
- opens an
- .IR ssl (3)
- device, connects it to the communications channel
- .IR fd ,
- and starts up encryption and message authentication as specified
- in
- .IR alg .
- The algorithms are separated by a space and either can be first.
- See
- .IR ssl (3)
- for the possible algorithms.
- .I Secin
- and
- .I secout
- contain the encryption keys for the two directions.
- If either is nil, the other is used in both directions.
- If
- .I cfd
- is non-nil, the SSL control channel is opened and its fd
- returned.
- .PP
- .I Pushssl
- returns a file descriptor for the SSL data channel. Anything written to this
- descriptor will get encrypted and authenticated and then written to the
- file descriptor,
- .IR fd .
- .SH SOURCE
- .B /sys/src/libc/9sys
- .SH "SEE ALSO"
- .IR dial (2),
- .IR ssl (3),
- .SH DIAGNOSTICS
- return \-1 on failure.
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