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Comment:Get certificate SHA-256 fingerprint. https://core.tcl-lang.org/tcltls/tktview/c2f2f1be54 and https://www.androwish.org/home/info/80b11e9594532414 and https://www.androwish.org/home/info/56087b886c6c105f
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SHA3-256: 3f9e284b4e924730dabdb391abd0f5b523a76d00bcc4853c5621d76285c41daf
User & Date: bohagan on 2023-03-04 20:54:27
Other Links: manifest | tags
Context
2023-03-04
21:11
TlsIO.test Hostname Fix. Patch by Sergei Golovan (Debian) to make the client socket connect to localhost instead of [info hostname] to prevent intermittent test failures inside mock(1). Also, account for a change in error message "unsupported protocol" instead of "wrong version number". -- Sergei Golovan <email address hidden> Thu, 18 Jul 2019 15:00:18 +0300 Source: https://sources.debian.org/src/tcltls/1.7.22-3/debian/patches/hostname-tests.patch check-in: 0afa2bde06 user: bohagan tags: trunk
20:54
Get certificate SHA-256 fingerprint. https://core.tcl-lang.org/tcltls/tktview/c2f2f1be54 and https://www.androwish.org/home/info/80b11e9594532414 and https://www.androwish.org/home/info/56087b886c6c105f check-in: 3f9e284b4e user: bohagan tags: trunk
20:19
Added key and PEM output to variables and updated keytest1 test script. Source: https://www.androwish.org/home/info/80b11e9594532414 and https://www.androwish.org/home/info/56087b886c6c105f and https://core.tcl-lang.org/tcltls/tktview/04d6bb909b ids: [80b11e9594] and [56087b886c] check-in: 899a950204 user: bohagan tags: trunk
Changes
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Modified tls.htm from [516cdf2a0d] to [fd9a0fa861].

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        <dt><strong>cipher</strong> <em>cipher</em></dt>
        <dd>The current cipher in use between the client and
            server channels.</dd>
        <dt><strong>sbits</strong> <em>n</em></dt>
        <dd>The number of bits used for the session key.</dd>
        <dt><strong>certificate</strong> <em>n</em></dt>
        <dd>The PEM encoded certificate.</dd>
        <dt><strong>sha1_hash</strong> <em>hash</em></dt>
        <dd>The SHA1 hash of the certificate.</dd>
        <dt><strong>sha256_hash</strong> <em>hash</em></dt>
        <dd>The SHA256 hash of the certificate.</dd>
        <dt><strong>alpn</strong> <em>protocol</em></dt>
        <dd>The protocol selected after Application-Layer Protocol
	    Negotiation (ALPN).</dd>
        <dt><strong>version</strong> <em>value</em></dt>
        <dd>The protocol version used for the connection:
	  SSLv2, SSLv3, TLSv1, TLSv1.1, TLSv1.2, unknown</dd>
    </dl>
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Modified tlsX509.c from [ecfb13f8ce] to [547f82177f].

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    char issuer[BUFSIZ];
    char serial[BUFSIZ];
    char notBefore[BUFSIZ];
    char notAfter[BUFSIZ];
    char certStr[CERT_STR_SIZE], *certStr_p;
    int certStr_len, toRead;
#ifndef NO_SSL_SHA
    int shai;
    char sha_hash_ascii[SHA_DIGEST_LENGTH * 2 + 1];
    unsigned char sha_hash_binary[SHA_DIGEST_LENGTH];
    char sha1_hash_ascii[SHA_DIGEST_LENGTH * 2 + 1];
    unsigned char sha1_hash_binary[SHA_DIGEST_LENGTH];
    char sha256_hash_ascii[SHA256_DIGEST_LENGTH*2+1];
    unsigned char sha256_hash_binary[SHA256_DIGEST_LENGTH];
    const char *shachars="0123456789ABCDEF";

    sha_hash_ascii[SHA_DIGEST_LENGTH * 2] = '\0';
    sha1_hash_ascii[SHA_DIGEST_LENGTH * 2] = '\0';
    sha256_hash_ascii[SHA256_DIGEST_LENGTH * 2] = '\0';
#endif

    certStr[0] = 0;
    if ((bio = BIO_new(BIO_s_mem())) == NULL) {
	subject[0] = 0;
	issuer[0]  = 0;
	serial[0]  = 0;
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	BIO_free(bio);
    }

    strcpy( notBefore, ASN1_UTCTIME_tostr( X509_get_notBefore(cert) ));
    strcpy( notAfter, ASN1_UTCTIME_tostr( X509_get_notAfter(cert) ));

#ifndef NO_SSL_SHA
    /* SHA1 */
    X509_digest(cert, EVP_sha1(), sha_hash_binary, NULL);
    for (shai = 0; shai < SHA_DIGEST_LENGTH; shai++) {
        sha_hash_ascii[shai * 2]     = shachars[(sha_hash_binary[shai] & 0xF0) >> 4];
        sha_hash_ascii[shai * 2 + 1] = shachars[(sha_hash_binary[shai] & 0x0F)];
    X509_digest(cert, EVP_sha1(), sha1_hash_binary, NULL);
    for (int n = 0; n < SHA_DIGEST_LENGTH; n++) {
        sha1_hash_ascii[n * 2]     = shachars[(sha1_hash_binary[n] & 0xF0) >> 4];
        sha1_hash_ascii[n * 2 + 1] = shachars[(sha1_hash_binary[n] & 0x0F)];
    }
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj("sha1_hash", -1) );
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj(sha_hash_ascii, SHA_DIGEST_LENGTH * 2) );
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj(sha1_hash_ascii, SHA_DIGEST_LENGTH * 2) );

    /* SHA256 */
    X509_digest(cert, EVP_sha256(), sha256_hash_binary, NULL);
    for (int n = 0; n < SHA256_DIGEST_LENGTH; n++) {
	sha256_hash_ascii[n*2]   = shachars[(sha256_hash_binary[n] & 0xF0) >> 4];
	sha256_hash_ascii[n*2+1] = shachars[(sha256_hash_binary[n] & 0x0F)];
    }
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "sha256_hash", -1) );
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( sha256_hash_ascii, SHA256_DIGEST_LENGTH * 2) );
#endif
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "subject", -1) );
	    Tcl_NewStringObj( "subject", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( subject, -1) );
	    Tcl_NewStringObj( subject, -1) );

    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "issuer", -1) );
	    Tcl_NewStringObj( "issuer", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( issuer, -1) );
	    Tcl_NewStringObj( issuer, -1) );

    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "notBefore", -1) );
	    Tcl_NewStringObj( "notBefore", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( notBefore, -1) );
	    Tcl_NewStringObj( notBefore, -1) );

    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "notAfter", -1) );
	    Tcl_NewStringObj( "notAfter", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( notAfter, -1) );
	    Tcl_NewStringObj( notAfter, -1) );

    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "serial", -1) );
	    Tcl_NewStringObj( "serial", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( serial, -1) );
	    Tcl_NewStringObj( serial, -1) );

    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( "certificate", -1) );
	    Tcl_NewStringObj( "certificate", -1) );
    Tcl_ListObjAppendElement( interp, certPtr,
    Tcl_ListObjAppendElement( interp, certPtr, Tcl_NewStringObj( certStr, -1) );
	    Tcl_NewStringObj( certStr, -1) );

    return certPtr;
}

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