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Comment:Renamed hash command to digest and hashes command to digests.
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SHA3-256: 38f5e785968d7bbd537bcfecf0d33eda097275562e88756d4664049e623faf3d
User & Date: bohagan on 2023-10-11 23:13:20
Other Links: branch diff | manifest | tags
Context
2023-10-14
21:35
Optimized byte array to hex conversions check-in: 049f9cb970 user: bohagan tags: crypto
2023-10-11
23:13
Renamed hash command to digest and hashes command to digests. check-in: 38f5e78596 user: bohagan tags: crypto
22:34
Modified ciphers command to make protocol arg optional to list all supported ciphers. check-in: a44d361c13 user: bohagan tags: crypto
Changes
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Modified doc/tls.html from [ec2fb13fcb] to [6b8ffb24fd].

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	    <dd><b>tls::import</b> <em>channel ?options?</em></dd>
	    <dd><b>tls::unimport</b> <em>channel</em></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::ciphers</b> <em>?protocol? ?verbose? ?supported?</em></dd>
	    <dd><b>tls::protocols</b></dd>
	    <dd><b>tls::version</b></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::hash</b> <em>type data</em></dd>
	    <dd><b>tls::hashes</b></dd>
	    <dd><b>tls::digest</b> <em>type data</em></dd>
	    <dd><b>tls::digests</b></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>
	</dl>
    </dd>
    <dd><a href="#COMMANDS">COMMANDS</a></dd>
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<a href="#tls::import"><b>tls::import</b> <i>channel ?options?</i></a><br>
<a href="#tls::unimport"><b>tls::unimport</b> <i>channel</i></a><br>
<br>
<a href="#tls::ciphers"><b>tls::ciphers</b> <i>?protocol? ?verbose? ?supported?</i></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::hash"><b>tls::hash</b> <i>type data</i></a><br>
<a href="#tls::hashes"><b>tls::hashes</b></a><br>
<a href="#tls::digest"><b>tls::digest</b> <i>type data</i></a><br>
<a href="#tls::digests"><b>tls::digests</b></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>
</p>

<h3><a name="DESCRIPTION">DESCRIPTION</a></h3>
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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::hash"><strong>tls::hash</strong> <em>type data</em></a></dt>
    <dd>Calculate the hash for <em>data</em> using <em>type</em> digest.
	Returns value as a hex string. Type cam be any OpenSSL supported
	hash digest including: <b>md4</b>, <b>md5</b>, <b>sha1</b>,
	sha2 (<b>sha224</b>, <b>sha256</b>, <b>sha384</b>, <b>sha512</b>,
	<b>sha512-224</b>, and <b>sha512-256</b>),
    <dt><a name="tls::digest"><strong>tls::digest</strong> <em>type data</em></a></dt>
    <dd>Calculate the message digest for <em>data</em> using <em>type</em>
	hash algorithm. Returns value as a hex string. Type 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>digests</b> command for a full list.</dd>
	sha3 (<b>sha3-224</b>, <b>sha3-256</b>, <b>sha3-384</b>, and <b>sha3-512</b>), etc.</dd>

    <dt><a name="tls::hashes"><strong>tls::hashes</strong></a></dt>
    <dd>Returns a list of the valid hash digests.</dd>
    <dt><a name="tls::digests"><strong>tls::digests</strong></a></dt>
    <dd>Returns a list of the valid hash algorithms used to create message digests.</dd>

    <dt><a name="tls::md4"><strong>tls::md4</strong> <em>data</em></a></dt>
    <dd>Calculate the hash for <em>data</em> using the MD4 message-digest algorithm.</dd>
    <dd>Return the MD4 message-digest for <em>data</em>.</dd>

    <dt><a name="tls::md5"><strong>tls::md5</strong> <em>data</em></a></dt>
    <dd>Calculate the hash for <em>data</em> using the MD5 message-digest algorithm.</dd>
    <dd>Return the MD5 message-digest for <em>data</em>.</dd>

    <dt><a name="tls::sha1"><strong>tls::sha1</strong> <em>data</em></a></dt>
    <dd>Calculate the hash for <em>data</em> using the SHA-1 secure hash algorithm.</dd>
    <dd>Return the SHA1 secure hash algorithm digest for <em>data</em>.</dd>

    <dt><a name="tls::sha256"><strong>tls::sha256</strong> <em>data</em></a></dt>
    <dd>Calculate the hash for <em>data</em> using the SHA-2 SHA-256 secure hash algorithm.</dd>
    <dd>Return the SHA-2 SHA256 secure hash algorithm digest for <em>data</em>.</dd>
</dl>

<h3><a name="CALLBACK OPTIONS">CALLBACK OPTIONS</a></h3>

<p>
As indicated above, individual channels can be given their own callbacks
to handle intermediate processing by the OpenSSL library, using the
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Modified generic/tls.c from [3f80fde031] to [33f81c89e9].

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    }
    return TCL_OK;
}

/*
 *-------------------------------------------------------------------
 *
 * Hash Commands -- Return hash value for digest as hex string
 * Hash Commands --
 *
 *	Return the digest as a hex string for data using type message digest.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
HashCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    int len;
    const char *name;
    const EVP_MD *type;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "type data");
	return TCL_ERROR;
    }

    name = Tcl_GetStringFromObj(objv[1],&len);
    if (name == NULL || (type = EVP_get_digestbyname(name)) == NULL) {
	Tcl_AppendResult(interp, "Invalid digest type \"", name, "\"", NULL);
	return TCL_ERROR;
    }
    objc--;
    objv++;
    return HashCalc(interp, objc, objv, type);
}

/*
 * Command to Calculate MD4 Hash
 * Command to Calculate MD4 Message Digest
 */
int
HashMD4Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestMD4Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_md4());
}

/*
 * Command to Calculate MD5 Hash
 * Command to Calculate MD5 Message Digest
 */
int
HashMD5Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestMD5Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_md5());
}

/*
 * Command to Calculate SHA-1 Hash
 */
int
HashSHA1Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestSHA1Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_sha1());
}

/*
 * Command to Calculate SHA-256 Hash
 * Command to Calculate SHA2 SHA-256 Hash
 */
int
HashSHA256Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestSHA256Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_sha256());
}

/*
 *-------------------------------------------------------------------
 *
 * Hash List Command -- Return list of hash message digests
 * Hash List Command --
 *
 *	Return a list of all valid hash algorithms or message digests.
 *
 * Results:
 *	A standard Tcl result.
 *	A standard Tcl result list.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */

void HashListCallback(const OBJ_NAME *obj, void *arg) {
void ListCallback(const OBJ_NAME *obj, void *arg) {
    Tcl_Obj *objPtr = (Tcl_Obj *) arg;
    if (1 || !obj->alias) {
	Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj(obj->name,-1));
    }

/*
}

 * Command to list available Hash values
 */
int
HashListCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
DigestListCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr = Tcl_NewListObj(0, NULL);

#if OPENSSL_VERSION_NUMBER < 0x10100000L
    OpenSSL_add_all_digests(); /* Make sure they're loaded */
#endif

    OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, ListCallback, (void *) objPtr);
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    Tcl_CreateObjCommand(interp, "tls::unimport", UnimportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::protocols", ProtocolsObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    Tcl_CreateObjCommand(interp, "tls::hash", HashCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::hashes", HashListCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md4", HashMD4Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md5", HashMD5Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha1", HashSHA1Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha256", HashSHA256Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::digest", DigestCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::digests", DigestListCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md4", DigestMD4Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md5", DigestMD5Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha1", DigestSHA1Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha256", DigestSHA256Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    if (interp) {
	Tcl_Eval(interp, tlsTclInitScript);
    }

    return Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION);
}
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