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<dd><b>tls::ciphers</b> <em>?protocol? ?verbose? ?supported?</em></dd>
<dd><b>tls::digests</b></dd>
<dd><b>tls::macs</b></dd>
<dd><b>tls::protocols</b></dd>
<dd><b>tls::version</b></dd>
<dt> </dt>
<dd><b>tls::digest</b> <em>type ?options?</em></dd>
<dd><b>tls::md4</b> <em>data</em></dd>
<dd><b>tls::md5</b> <em>data</em></dd>
<dd><b>tls::sha1</b> <em>data</em></dd>
<dd><b>tls::sha256</b> <em>data</em></dd>
<dd><b>tls::sha512</b> <em>data</em></dd>
</dl>
</dd>
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<dd><b>tls::ciphers</b> <em>?protocol? ?verbose? ?supported?</em></dd>
<dd><b>tls::digests</b></dd>
<dd><b>tls::macs</b></dd>
<dd><b>tls::protocols</b></dd>
<dd><b>tls::version</b></dd>
<dt> </dt>
<dd><b>tls::digest</b> <em>type ?options?</em></dd>
<dd><b>tls::cmac</b> <em>type</em> <b>-cipher</b> <em>name ?options?</em></dd>
<dd><b>tls::hmac</b> <em>type</em> <b>-key</b> <em>key ?options?</em></dd>
<dd><b>tls::md4</b> <em>data</em></dd>
<dd><b>tls::md5</b> <em>data</em></dd>
<dd><b>tls::sha1</b> <em>data</em></dd>
<dd><b>tls::sha256</b> <em>data</em></dd>
<dd><b>tls::sha512</b> <em>data</em></dd>
</dl>
</dd>
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<a href="#tls::ciphers"><b>tls::ciphers</b> <i>?protocol? ?verbose? ?supported?</i></a><br>
<a href="#tls::digests"><b>tls::digests</b></a><br>
<a href="#tls::macs"><b>tls::macs</b></a><br>
<a href="#tls::protocols"><b>tls::protocols</b></a><br>
<a href="#tls::version"><b>tls::version</b></a><br>
<br>
<a href="#tls::digest"><b>tls::digest</b> <i>type ?options?</i></a><br>
<a href="#tls::md4"><b>tls::md4</b> <i>data</i></a><br>
<a href="#tls::md5"><b>tls::md5</b> <i>data</i></a><br>
<a href="#tls::sha1"><b>tls::sha1</b> <i>data</i></a><br>
<a href="#tls::sha256"><b>tls::sha256</b> <i>data</i></a><br>
<a href="#tls::sha512"><b>tls::sha512</b> <i>data</i></a><br>
</p>
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<a href="#tls::ciphers"><b>tls::ciphers</b> <i>?protocol? ?verbose? ?supported?</i></a><br>
<a href="#tls::digests"><b>tls::digests</b></a><br>
<a href="#tls::macs"><b>tls::macs</b></a><br>
<a href="#tls::protocols"><b>tls::protocols</b></a><br>
<a href="#tls::version"><b>tls::version</b></a><br>
<br>
<a href="#tls::digest"><b>tls::digest</b> <i>type ?options?</i></a><br>
<a href="#tls::cmac"><b>tls::cmac</b> <i>type</i> <b>-cipher</b> <i>name ?options?</i></a><br>
<a href="#tls::hmac"><b>tls::hmac</b> <i>type</i> <b>-key</b> <i>key ?options?</i></a><br>
<a href="#tls::md4"><b>tls::md4</b> <i>data</i></a><br>
<a href="#tls::md5"><b>tls::md5</b> <i>data</i></a><br>
<a href="#tls::sha1"><b>tls::sha1</b> <i>data</i></a><br>
<a href="#tls::sha256"><b>tls::sha256</b> <i>data</i></a><br>
<a href="#tls::sha512"><b>tls::sha512</b> <i>data</i></a><br>
</p>
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and <b>tls1.3</b>. Exact list depends on OpenSSL version and
compile time flags.</dd>
<dt><a name="tls::version"><strong>tls::version</strong></a></dt>
<dd>Returns the OpenSSL version string.</dd>
<br>
<dt><a name="tls::digest"><strong>tls::digest</strong> <em>type ?-bin|-hex?
?-key hmac_key? [-file filename | -command cmdName | -chan channelId | ?-data? data]</em></a></dt>
<dd>Calculate the message digest for <em>data</em> or file <em>filename</em>
using <em>type</em> hash algorithm. Returns value as a hex string
(default) or as a binary value with <b>-bin</b> option. Use <b>-key</b> to
set the key and return a Hashed Message Authentication Code (HMAC).
To salt a password, append or prepend the salt data to the password.
Argument <em>type</em> can be any OpenSSL supported hash algorithm including:
<b>md4</b>, <b>md5</b>, <b>sha1</b>, <b>sha256</b>, <b>sha512</b>,
<b>sha3-256</b>, etc. See <b>tls::digests</b> command for a full list.
<br>
Using the <b>-chan</b> option, a stacked channel is created and data
read from the channel is used to calculate a message digest with the
result returned with the last read operation before EOF.
<br>
Using the <b>-command</b> option, a new command <em>cmdName</em> is
created and returned. To add data to the hash, call "<em>cmdName</em>
<b>update</b> <em>data</em>", where data is the data to add. When done,
call "<em>cmdName</em> <b>finalize</b>" to return the
message digest.
</dd>
<dt><a name="tls::md4"><strong>tls::md4</strong> <em>data</em></a></dt>
<dd>Returns the MD4 message-digest for <em>data</em> as a hex string.</dd>
<dt><a name="tls::md5"><strong>tls::md5</strong> <em>data</em></a></dt>
<dd>Returns the MD5 message-digest for <em>data</em> as a hex string.</dd>
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and <b>tls1.3</b>. Exact list depends on OpenSSL version and
compile time flags.</dd>
<dt><a name="tls::version"><strong>tls::version</strong></a></dt>
<dd>Returns the OpenSSL version string.</dd>
<br>
<dt><a name="tls::digest"><strong>tls::digest</strong> <em>digest ?-bin|-hex?
[-file filename | -command cmdName | -chan channelId | ?-data? data]</em></a></dt>
<dd>Calculate the message digest for data using <em>digest</em> hash
function. Returns value as a hex string (default) or as a binary value
with <b>-bin</b> option. Argument <em>digest</em> can be any OpenSSL
supported hash function including: <b>md4</b>, <b>md5</b>, <b>sha1</b>,
<b>sha256</b>, <b>sha512</b>, <b>sha3-256</b>, etc. See
<b>tls::digests</b> command for a full list.
<br>
Using the <b>-data</b> option will immediately return the message
digest for <em>data</em> in the specified format.
<br>
Using the <b>-file</b> option will open file <em>filename</em>, read
the file data, close the file, and return the message digest in the
specified format. This uses the TCL APIs, so VFS files are supported.
<br>
Using the <b>-chan</b> option, a stacked channel is created for
<em>channelId</em> and data read from the channel is used to calculate
a message digest with the result returned with the last read operation
before EOF. Channel is automatically set to binary mode.
<br>
Using the <b>-command</b> option, a new command <em>cmdName</em> is
created and returned. To add data to the hash function, call
"<em>cmdName</em> <b>update</b> <em>data</em>", where data is
the data to add. When done, call "<em>cmdName</em> <b>finalize</b>"
to return the message digest.
</dd>
<dt><a name="tls::cmac"><strong>tls::cmac</strong> <em>digest</em>
<strong>-cipher</strong> <em>name</em> ?-bin|-hex? [-file filename |
-command cmdName | -chan channelId | ?-data? data]</em></a></dt>
<dd>Calculate the Cipher-based Message Authentication Code (CMAC). Same arguments
as <b>tls::digest</b> with additional option <b>-cipher</b> to specify the
cipher to use and for certain ciphers, <b>-key</b> to specify the key.</dd>
<dt><a name="tls::hmac"><strong>tls::hmac</strong> <em>digest</em>
<strong>-key</strong> <em>key</em> ?-bin|-hex? [-file filename |
-command cmdName | -chan channelId | ?-data? data]</em></a></dt>
<dd>Calculate the Hashed Message Authentication Code (HMAC). Same arguments
as <b>tls::digest</b> with additional option <b>-key</b> to specify the
key to use. To salt a password, append or prepend the salt
data to the password. </dd>
<dt><a name="tls::md4"><strong>tls::md4</strong> <em>data</em></a></dt>
<dd>Returns the MD4 message-digest for <em>data</em> as a hex string.</dd>
<dt><a name="tls::md5"><strong>tls::md5</strong> <em>data</em></a></dt>
<dd>Returns the MD5 message-digest for <em>data</em> as a hex string.</dd>
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