5 files changed, 395 insertions, 1 deletions
diff --git a/doc/man/libkeccak_generalised_sum_fd.3 b/doc/man/libkeccak_generalised_sum_fd.3
index 2518cc0..ac50e10 100644
--- a/doc/man/libkeccak_generalised_sum_fd.3
+++ b/doc/man/libkeccak_generalised_sum_fd.3
@@ -25,7 +25,7 @@ The hash is stored in binary form to \fIhashsum\fP. \fIhashsum\fP
 should have an allocation size of at least
 (((\fIspec->output\fP + 7) / 8) * sizeof(char)).
 .PP
-\fI*state\fP should not be allocated.
+\fI*state\fP should not be initialised.
 .BR libkeccak_generalised_sum_fd ()
 initialises \fI*state\fP itself. Therefore there would be a
 memory leak if \fI*state\fP is already initialised.
@@ -65,6 +65,9 @@ does not stop if interrupted (\fBread\fP(2) returns
 .BR libkeccak_generalised_sum_fd ()
 assumes all information is non-sensitive, and will
 therefore not perform any secure erasure of information.
+.PP
+.BR libkeccak_generalised_sum_fd ()
+does not validate the tuning of the algorithm.
 .SH EXAMPLES
 This example calculates the Keccak[b = 1024, c = 576, n = 256]
 hash of the input from stdin, and prints the hash, in hexadecimal
diff --git a/doc/man/libkeccak_keccaksum_fd.3 b/doc/man/libkeccak_keccaksum_fd.3
new file mode 100644
index 0000000..4328fce
--- /dev/null
+++ b/doc/man/libkeccak_keccaksum_fd.3
@@ -0,0 +1,102 @@
+.TH LIBKECCAK_KECCAKSUM_FD 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_keccaksum_fd - Calculate a Keccak hashsum of a file
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+int libkeccak_keccaksum_fd(int \fIfd\fP, libkeccak_state_t *\fIstate\fP,
+                           const libkeccak_spec_t *\fIspec\fP, char *\fIhashsum\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_keccaksum_fd ()
+calculates a Keccak hashsum of a file, whose file desriptor is specified
+by \fIfd\fP (and should be at the beginning of the file.) The
+hash algorithm tuning is specified by \fI*spec\fP.
+.PP
+The hash is stored in binary form to \fIhashsum\fP. \fIhashsum\fP
+should have an allocation size of at least
+(((\fIspec->output\fP + 7) / 8) * sizeof(char)).
+.PP
+\fI*state\fP should not be initialised.
+.BR libkeccak_keccaksum_fd ()
+initialises \fI*state\fP itself. Therefore there would be a
+memory leak if \fI*state\fP is already initialised.
+.SH RETURN VALUES
+The
+.BR libkeccak_keccaksum_fd ()
+function return 0 upon successful completion.
+On error, -1 is returned and \fIerrno\fP is set to describe
+the error.
+.SH ERRORS
+The
+.BR libkeccak_keccaksum_fd ()
+function may fail for any reason, except those resulting
+in \fIerrno\fP being set to \fBEINTR\fP, specified for the
+functions
+.BR read (2),
+.BR malloc (3),
+and
+.BR realloc (3).
+.SH NOTES
+Be aware,
+.BR libkeccak_keccaksum_fd ()
+hashes the file until the end has been reached. For pipes
+and sockets and this means until the file has been closed.
+But for character devices, this usually means never.
+Attempting to hash files in /dev is therefore usually a
+bad idea.
+.BR libkeccak_keccaksum_fd ()
+does not check for the file length or file type before
+hashing as this could limit what you can do, and make
+the library more complex.
+.PP
+.BR libkeccak_keccaksum_fd ()
+does not stop if interrupted (\fBread\fP(2) returns
+\fBEINTR\fP.)
+.PP
+.BR libkeccak_keccaksum_fd ()
+assumes all information is non-sensitive, and will
+therefore not perform any secure erasure of information.
+.PP
+.BR libkeccak_keccaksum_fd ()
+does not validate the tuning of the algorithm.
+.SH EXAMPLES
+This example calculates the Keccak[b = 1024, c = 576, n = 256]
+hash of the input from stdin, and prints the hash, in hexadecimal
+form, to stdout.
+.LP
+.nf
+libkeccak_state_t state;
+libkeccak_spec_t spec;
+char binhash[256 / 8];
+char hexhash[256 / 8 * 2 + 1];
+
+spec.bitrate = 1024;
+spec.capacity = 576;
+spec.output = 256;
+
+if (libkeccak_keccaksum_fd(STDIN_FILNO, &state, &spec, binhash) < 0)
+    goto fail;
+libkeccak_behex_lower(hexhash, binhash, sizeof(binhash));
+printf("%s\\n", hexhash);
+.fi
+.SH SEE ALSO
+.BR libkeccak_behex_lower (3),
+.BR libkeccak_behex_upper (3),
+.BR libkeccak_generalised_sum_fd (3),
+.BR libkeccak_sha3sum_fd (3),
+.BR libkeccak_rawshakesum_fd (3),
+.BR libkeccak_shakesum_fd (3),
+.BR libkeccak_spec_check (3),
+.BR libkeccak_generalised_spec_initialise (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/bus/issues or to
+maandree@member.fsf.org
diff --git a/doc/man/libkeccak_rawshakesum_fd.3 b/doc/man/libkeccak_rawshakesum_fd.3
new file mode 100644
index 0000000..329b5db
--- /dev/null
+++ b/doc/man/libkeccak_rawshakesum_fd.3
@@ -0,0 +1,97 @@
+.TH LIBKECCAK_RAWSHAKESUM_FD 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_rawshakesum_fd - Calculate a RawSHAKE hashsum of a file
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+int libkeccak_rawshakesum_fd(int \fIfd\fP, libkeccak_state_t *\fIstate\fP,
+                             long \fIsemicapacity\fP, long \fIoutput\fP,
+                             char *\fIhashsum\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_rawshakesum_fd ()
+calculates a RawSHAKE hashsum of a file, whose file desriptor is
+specified by \fIfd\fP (and should be at the beginning of the file.)
+The hash algorithm is tuned by the \fIsemicapacity\fP and \fIoutput\fP
+parameters; they specify the half of the capacity and the output size,
+respectively, in bits.
+.PP
+The hash is stored in binary form to \fIhashsum\fP. \fIhashsum\fP
+should have an allocation size of at least
+(((\fIoutput\fP + 7) / 8) * sizeof(char)).
+.PP
+\fI*state\fP should not be initialised.
+.BR libkeccak_rawshakesum_fd ()
+initialises \fI*state\fP itself. Therefore there would be a
+memory leak if \fI*state\fP is already initialised.
+.SH RETURN VALUES
+The
+.BR libkeccak_rawshakesum_fd ()
+function return 0 upon successful completion.
+On error, -1 is returned and \fIerrno\fP is set to describe
+the error.
+.SH ERRORS
+The
+.BR libkeccak_rawshakesum_fd ()
+function may fail for any reason, except those resulting
+in \fIerrno\fP being set to \fBEINTR\fP, specified for the
+functions
+.BR read (2),
+.BR malloc (3),
+and
+.BR realloc (3).
+.SH NOTES
+Be aware,
+.BR libkeccak_rawshakesum_fd ()
+hashes the file until the end has been reached. For pipes
+and sockets and this means until the file has been closed.
+But for character devices, this usually means never.
+Attempting to hash files in /dev is therefore usually a
+bad idea.
+.BR libkeccak_rawshakesum_fd ()
+does not check for the file length or file type before
+hashing as this could limit what you can do, and make
+the library more complex.
+.PP
+.BR libkeccak_rawshakesum_fd ()
+does not stop if interrupted (\fBread\fP(2) returns
+\fBEINTR\fP.)
+.PP
+.BR libkeccak_rawshakesum_fd ()
+assumes all information is non-sensitive, and will
+therefore not perform any secure erasure of information.
+.PP
+.BR libkeccak_rawshakesum_fd ()
+does not validate the tuning of the algorithm.
+.SH EXAMPLES
+This example calculates the RawSHAKE256(, 512) hash of the input
+from stdin, and prints the hash, in hexadecimal form, to stdout.
+.LP
+.nf
+libkeccak_state_t state;
+if (libkeccak_rawshakesum_fd(STDIN_FILNO, &state, 256, 512, binhash) < 0)
+    goto fail;
+libkeccak_behex_lower(hexhash, binhash, sizeof(binhash));
+printf("%s\\n", hexhash);
+.fi
+.SH SEE ALSO
+.BR libkeccak_behex_lower (3),
+.BR libkeccak_behex_upper (3),
+.BR libkeccak_generalised_sum_fd (3),
+.BR libkeccak_keccaksum_fd (3),
+.BR libkeccak_sha3sum_fd (3),
+.BR libkeccak_shakesum_fd (3),
+.BR libkeccak_spec_rawshake (3),
+.BR libkeccak_spec_check (3),
+.BR libkeccak_generalised_spec_initialise (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/bus/issues or to
+maandree@member.fsf.org
diff --git a/doc/man/libkeccak_sha3sum_fd.3 b/doc/man/libkeccak_sha3sum_fd.3
new file mode 100644
index 0000000..b2d5f80
--- /dev/null
+++ b/doc/man/libkeccak_sha3sum_fd.3
@@ -0,0 +1,95 @@
+.TH LIBKECCAK_SHA3SUM_FD 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_sha3sum_fd - Calculate a SHA-3 hashsum of a file
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+int libkeccak_sha3sum_fd(int \fIfd\fP, libkeccak_state_t *\fIstate\fP,
+                         long \fIoutput\fP, char *\fIhashsum\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_sha3sum_fd ()
+calculates a SHA-3 hashsum of a file, whose file desriptor is specified
+by \fIfd\fP (and should be at the beginning of the file.) The
+hash algorithm is tuned by the \fIoutput\fP parameter; it specifies
+the output size, in bits.
+.PP
+The hash is stored in binary form to \fIhashsum\fP. \fIhashsum\fP
+should have an allocation size of at least
+(((\fIoutput\fP + 7) / 8) * sizeof(char)).
+.PP
+\fI*state\fP should not be initialised.
+.BR libkeccak_sha3sum_fd ()
+initialises \fI*state\fP itself. Therefore there would be a
+memory leak if \fI*state\fP is already initialised.
+.SH RETURN VALUES
+The
+.BR libkeccak_sha3sum_fd ()
+function return 0 upon successful completion.
+On error, -1 is returned and \fIerrno\fP is set to describe
+the error.
+.SH ERRORS
+The
+.BR libkeccak_sha3sum_fd ()
+function may fail for any reason, except those resulting
+in \fIerrno\fP being set to \fBEINTR\fP, specified for the
+functions
+.BR read (2),
+.BR malloc (3),
+and
+.BR realloc (3).
+.SH NOTES
+Be aware,
+.BR libkeccak_sha3sum_fd ()
+hashes the file until the end has been reached. For pipes
+and sockets and this means until the file has been closed.
+But for character devices, this usually means never.
+Attempting to hash files in /dev is therefore usually a
+bad idea.
+.BR libkeccak_sha3sum_fd ()
+does not check for the file length or file type before
+hashing as this could limit what you can do, and make
+the library more complex.
+.PP
+.BR libkeccak_sha3sum_fd ()
+does not stop if interrupted (\fBread\fP(2) returns
+\fBEINTR\fP.)
+.PP
+.BR libkeccak_sha3sum_fd ()
+assumes all information is non-sensitive, and will
+therefore not perform any secure erasure of information.
+.PP
+.BR libkeccak_sha3sum_fd ()
+does not validate the tuning of the algorithm.
+.SH EXAMPLES
+This example calculates the SHA3-256 hash of the input
+from stdin, and prints the hash, in hexadecimal form, to stdout.
+.LP
+.nf
+libkeccak_state_t state;
+if (libkeccak_sha3sum_fd(STDIN_FILNO, &state, 256, binhash) < 0)
+    goto fail;
+libkeccak_behex_lower(hexhash, binhash, sizeof(binhash));
+printf("%s\\n", hexhash);
+.fi
+.SH SEE ALSO
+.BR libkeccak_behex_lower (3),
+.BR libkeccak_behex_upper (3),
+.BR libkeccak_generalised_sum_fd (3),
+.BR libkeccak_keccaksum_fd (3),
+.BR libkeccak_rawshakesum_fd (3),
+.BR libkeccak_shakesum_fd (3),
+.BR libkeccak_spec_sha3 (3),
+.BR libkeccak_spec_check (3),
+.BR libkeccak_generalised_spec_initialise (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/bus/issues or to
+maandree@member.fsf.org
diff --git a/doc/man/libkeccak_shakesum_fd.3 b/doc/man/libkeccak_shakesum_fd.3
new file mode 100644
index 0000000..591f827
--- /dev/null
+++ b/doc/man/libkeccak_shakesum_fd.3
@@ -0,0 +1,97 @@
+.TH LIBKECCAK_SHAKESUM_FD 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_shakesum_fd - Calculate a SHAKE hashsum of a file
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+int libkeccak_shakesum_fd(int \fIfd\fP, libkeccak_state_t *\fIstate\fP,
+                          long \fIsemicapacity\fP, long \fIoutput\fP,
+                          char *\fIhashsum\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_shakesum_fd ()
+calculates a SHAKE hashsum of a file, whose file desriptor is
+specified by \fIfd\fP (and should be at the beginning of the file.)
+The hash algorithm is tuned by the \fIsemicapacity\fP and \fIoutput\fP
+parameters; they specify the half of the capacity and the output size,
+respectively, in bits.
+.PP
+The hash is stored in binary form to \fIhashsum\fP. \fIhashsum\fP
+should have an allocation size of at least
+(((\fIoutput\fP + 7) / 8) * sizeof(char)).
+.PP
+\fI*state\fP should not be initialised.
+.BR libkeccak_shakesum_fd ()
+initialises \fI*state\fP itself. Therefore there would be a
+memory leak if \fI*state\fP is already initialised.
+.SH RETURN VALUES
+The
+.BR libkeccak_shakesum_fd ()
+function return 0 upon successful completion.
+On error, -1 is returned and \fIerrno\fP is set to describe
+the error.
+.SH ERRORS
+The
+.BR libkeccak_shakesum_fd ()
+function may fail for any reason, except those resulting
+in \fIerrno\fP being set to \fBEINTR\fP, specified for the
+functions
+.BR read (2),
+.BR malloc (3),
+and
+.BR realloc (3).
+.SH NOTES
+Be aware,
+.BR libkeccak_shakesum_fd ()
+hashes the file until the end has been reached. For pipes
+and sockets and this means until the file has been closed.
+But for character devices, this usually means never.
+Attempting to hash files in /dev is therefore usually a
+bad idea.
+.BR libkeccak_shakesum_fd ()
+does not check for the file length or file type before
+hashing as this could limit what you can do, and make
+the library more complex.
+.PP
+.BR libkeccak_shakesum_fd ()
+does not stop if interrupted (\fBread\fP(2) returns
+\fBEINTR\fP.)
+.PP
+.BR libkeccak_shakesum_fd ()
+assumes all information is non-sensitive, and will
+therefore not perform any secure erasure of information.
+.PP
+.BR libkeccak_shakesum_fd ()
+does not validate the tuning of the algorithm.
+.SH EXAMPLES
+This example calculates the SHAKE256(, 512) hash of the input
+from stdin, and prints the hash, in hexadecimal form, to stdout.
+.LP
+.nf
+libkeccak_state_t state;
+if (libkeccak_shakesum_fd(STDIN_FILNO, &state, 256, 512, binhash) < 0)
+    goto fail;
+libkeccak_behex_lower(hexhash, binhash, sizeof(binhash));
+printf("%s\\n", hexhash);
+.fi
+.SH SEE ALSO
+.BR libkeccak_behex_lower (3),
+.BR libkeccak_behex_upper (3),
+.BR libkeccak_generalised_sum_fd (3),
+.BR libkeccak_keccaksum_fd (3),
+.BR libkeccak_sha3sum_fd (3),
+.BR libkeccak_rawshakesum_fd (3),
+.BR libkeccak_spec_shake (3),
+.BR libkeccak_spec_check (3),
+.BR libkeccak_generalised_spec_initialise (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/bus/issues or to
+maandree@member.fsf.org