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Ticket Change [da4cff481a029e3756cb91eb7126d3c264b2c59be3c8dc8b0680b47e4459cd8f]
  [pki::x509::verify_cert failure for valid certificates]
  By      apnadkarni
  For     Tcllib
  On      2026-06-05T11:26:42.896
  Details https://core.tcl-lang.org/tcllib/tinfo?name=da4cff481a029e3756cb91eb7126d3c264b2c59be3c8dc8b0680b47e4459cd8f
  Ticket  https://core.tcl-lang.org/tcllib/tktview/7778a629466df439981c30b706e830e833ffcf1d

Changed Fields
  login:    apnadkarni
  severity: Important

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Ticket Change [d1a1883ba2e734806337a3c66a41ec5c14631a394bc361be14c10ce40db5be15]
  [pki::x509::verify_cert failure for valid certificates]
  By      apnadkarni
  For     Tcllib
  On      2026-06-05T11:26:26.190
  Details https://core.tcl-lang.org/tcllib/tinfo?name=d1a1883ba2e734806337a3c66a41ec5c14631a394bc361be14c10ce40db5be15
  Ticket  https://core.tcl-lang.org/tcllib/tktview/7778a629466df439981c30b706e830e833ffcf1d

Changed Fields
  icomment:  More from the OP on
             [c.l.t.](https://newsgrouper.org/%3C10piecp$18g9u$1...@do...%3E)

             ```

             Hello again,

             I've been studying the pki.tcl module source code and I believe I may
             have found the  reason for why verify_cert is not passing an otherwise
             trusted cert chain: a missing case  in a switch statement in the proc
             ::pki::x509::validate_cert. I believe this to be so  based on the
             following reasoning (see the code excerpts below):

             1) ::pki::x509::verify_cert invokes ::pki::x509::validate_cert on the
             supplicant cert  first, and then on the trusted cert(s).

             2) The supplicant cert passes ::pki::x509::validate_cert.

             3) The trusted cert fails ::pki::x509::validate_cert.

             4) Therefore, ::pki::x509::verify_cert fails.

             5) The CA cert (the trusted cert) generated by
             ::pki::x509::create_cert includes the  extension
             "id-ce-basicConstraints". The ::pki::x509::validate_cert code doesn't
             recognize this extension-- it only recognizes "basicConstraints"-- and
             so returns   false as the default response.

             6) It looks like "id-ce-basicConstraints" and "basicConstraints" are
             otherwise treated  equivalently elsewhere in pki.tcl. See the code for
             ::pki::x509::create_cert, and  the code (and comments) for
             ::pki::x509::_parse_extensions as comparison.

             7) It appears to me that the switch statement in
             ::pki::x509::validate_cert is simply  missing the
             "id-ce-basicConstraints" case that would fix the issue.

             I humbly ask that those readers who are, or who are in contact with,
             code maintainers  please review what I have submitted here, and if it
             is confirmed, that a correction to  pki.tcl be proposed.

             With Gratitude,  -Jerry O.  Please first reverse the letters in my
             address domain when replying direct.

             modules/pki/pki.tcl as retrieved on March 19th, 2026:

             In the proc ::pki::x509::validate_cert (starting at line 2222):

             2294 # Check for extensions and process them. However v1 certs have no
             extensions  2295 if {$cert_arr(version) == 0} {  2296 # Do not permit
             V1 certificates for signing.  2297 set CA 0  2298 } else {
             ...((truncated))
  login:     apnadkarni
  subsystem: pki

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Ticket Change [9d2cf353682500fa3cf58caf6af0b5a1a2ef601b563715245bfe46ef21c070f5]
  [pki::x509::verify_cert failure for valid certificates]
  By      apnadkarni
  For     Tcllib
  On      2026-06-05T11:22:22.876
  Details https://core.tcl-lang.org/tcllib/tinfo?name=9d2cf353682500fa3cf58caf6af0b5a1a2ef601b563715245bfe46ef21c070f5
  Ticket  https://core.tcl-lang.org/tcllib/tktview/7778a629466df439981c30b706e830e833ffcf1d

Changed Fields
  assignee:
  login:    apnadkarni
  title:    pki::x509::verify_cert failure for valid certificates

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Ticket Change [f1d44f6239dde9707e1a5b2ba3a08e895dfcd65621f03e12df75e05dfda63c1e]
  []
  By      apnadkarni
  For     Tcllib
  On      2026-06-05T11:20:58.186
  Details https://core.tcl-lang.org/tcllib/tinfo?name=f1d44f6239dde9707e1a5b2ba3a08e895dfcd65621f03e12df75e05dfda63c1e
  Ticket  https://core.tcl-lang.org/tcllib/tktview/7778a629466df439981c30b706e830e833ffcf1d

Changed Fields
  assignee:        nobody
  closer:          nobody
  comment:         The following was reported on c.l.t. I'm only the messenger :-)

                   ```  I have a question for those who have written code using pki: have
                   any of you  had pki::x509::verify_cert suddenly begin failing certs,
                   even when the trust  has indeed been established, the certs are
                   current, and-- most importantly--  an independent check using "openssl
                   verify -CAfile..." (or some other similar  utility) shows that the
                   cert _is_ valid?

                   I've condensed what I'm experiencing into the test example code below.
                   I've  commented the code with _MY_ understanding of what is going on--
                   but my  understanding may be wrong, which may itself be the problem.

                   But... this _used_ to work...

                   1) Set up my own Root CA:  -Generate the CA keys (pki::rsa::generate);
                   -Use those keys to generate a Cert Signing Request for a cert
                   (pki::pkcs::create_csr/parse_csr);  -Apply those same keys to the CCR
                   to (Self-)sign and create the x509  cert for the CA
                   (::pki::x509::create_cert);  -Save the Root CA x509 cert to the file
                   "example_root_ca.crt"

                   2) Provision a user certificate signed by the Root CA:  -Generate the
                   user keys (pki::rsa::generate);  -Use the user keys to generate a Cert
                   Signing Request for the user cert  (pki::pkcs::create_csr/parse_csr);
                   -Sign the user CCR with the CA keys and create the x506 cert for the
                   user (::pki::x509::create_cert);  -Save the user x509 cert to the file
                   "server.example.com.crt"

                   3) Check the trust of the user cert against the CA cert
                   (pki::x509::verify_cert). It should return _true_. But it doesn't, not
                   anymore! (returns false).

                   At this point, I look to see what OpenSSL has to say about the x509
                   certs:  --> openssl verify -CAfile example_root_ca.crt
                   server.example.com.crt  --> server.example.com.crt: OK

                   These results are identical on my Xubuntu 24.04.4 LTS and MacOS 15.7.4
                   (Sequoia) workstations, and Ubuntu Server 24.04.4 LTS, all with Tcl8.6
                   and pki  at version 0.20. I have not yet had the opportunity to try
                   the below test  example code on Windows, but it may be significant
                   that the original pki code  on whi
                   ...((truncated))
  is_private:      0
  login:           apnadkarni
  priority:        5 Medium
  private_contact: 9546e9877f1a8899e25a89082561ee694e7fb402
  resolution:      None
  severity:        Minor
  status:          Open
  submitter:       apnadkarni
  subsystem:       (unused)
  type:            Bug

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Commit [fd04f33bd5031ec517ab5bc2593288cf8ec45ec7c07da0d8f7ecdcdac00f10af]
  By      mark
  For     Tcllib (branch: main)
  On      2026-06-03T11:17:50.015
  Details https://core.tcl-lang.org/tcllib/info/fd04f33bd5031ec517ab5bc2593288cf8ec45ec7c07da0d8f7ecdcdac00f10af

Description
   Tiny bit more progress on docs for struct::graph::op

Changed Files
  1 edited
           modules/struct/graphops.man

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Added Attachment [7eeb94b8df0bd9a79a4c5df748626135f897bb764d8c2306a5352a7963e584cd]
  [image.jpg]
To
  Ticket   https://core.tcl-lang.org/tcllib/tktview/e15c2a7ce1a4561c982b9b3e7c0b46c168042064
  By       anonymous
  For      Tcllib
  On       2026-05-27T12:39:15.051
  Details  https://core.tcl-lang.org/tcllib/ainfo/e05b2ea9ced4edc15080a8ecbd2f2d7dbb110b34a439cf8f3355aa5710955248
  Contents https://core.tcl-lang.org/tcllib/artifact/7eeb94b8df0bd9a79a4c5df748626135f897bb764d8c2306a5352a7963e584cd

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Commit [f66c02ab2ac48a9cb812cf19c0d374a93f11cc2372bea1897e70b853c1ae5672]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-22T11:06:46.901
  Details https://core.tcl-lang.org/tcllib/info/f66c02ab2ac48a9cb812cf19c0d374a93f11cc2372bea1897e70b853c1ae5672

Description
   Improved docs for a few more struct::graph::op functions.

Changed Files
  1 edited
           modules/struct/graphops.man

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Ticket Change [3619e33e3142b0269f20385a2a9dffd96d036cbe7e2f9e4ab5fa41656f30660a]
  [::yaml::_parsePlainScalarInBlock only parses the first 5 lines of a plain scalar]
  By      apnadkarni
  For     Tcllib
  On      2026-05-22T10:22:06.486
  Details https://core.tcl-lang.org/tcllib/tinfo?name=3619e33e3142b0269f20385a2a9dffd96d036cbe7e2f9e4ab5fa41656f30660a
  Ticket  https://core.tcl-lang.org/tcllib/tktview/a23348be0bf07e4ad10cea592d7ff64c56fe319d

Changed Fields
  assignee:        nobody
  closer:          nobody
  comment:         (Moved from the Tcl repository
                   [31cdc84bd2](https://core.tcl-lang.org/tcl/tktview/31cdc84bd2).

                   This commit appears to have inadvertently added a debug break that
                   causes ::yaml::_parsePlainScalarInBlock to stop after the fifth line
                   of a plain multi-line scalar:
                   https://core.tcl-lang.org/tcllib/info/fc59390525aeda7e

                   The bad code:  proc ::yaml::_parsePlainScalarInBlock {base {loop 0}} {
                   if {$loop == 5} { return }

                   The code appears to still be present in the current git:
                   https://core.tcl-lang.org/tcllib/blame?filename=modules/yaml/yaml.tcl&
                   checkin=5be206c63f7681c9

                   I think the tests may have strings short enough not to expose the bug.


                   Example testcase:  % set str {my_thing:  one  two  three  four  five
                   six}  % puts [::yaml::yaml2dict $str]  my_thing {one two three four
                   five}
  is_private:      0
  login:           apnadkarni
  priority:        5 Medium
  private_contact: 9546e9877f1a8899e25a89082561ee694e7fb402
  resolution:      None
  severity:        Important
  status:          Open
  submitter:       apnadkarni
  subsystem:       yaml
  title:           ::yaml::_parsePlainScalarInBlock only parses the first 5 lines of a
                   plain scalar
  type:            Bug

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Ticket Change [566116fcbb41d4d15b30b643bbf6cd3d5e4ef23b8fa0eb295d5ceb037bd8e12c]
  [typo in pkgIndex.tcl]
  By      anonymous
  For     Tcllib
  On      2026-05-22T07:19:59.815
  Details https://core.tcl-lang.org/tcllib/tinfo?name=566116fcbb41d4d15b30b643bbf6cd3d5e4ef23b8fa0eb295d5ceb037bd8e12c
  Ticket  https://core.tcl-lang.org/tcllib/tktview/61e49798ee91290fb8df65b1089272d678dbd0ca

Changed Fields
  assignee:   nobody
  closer:     nobody
  comment:    NOW: package ifneeded nettool 0.5.4 [list source [file join $dir
              nexttool.tcl]]  FIX: package ifneeded nettool 0.5.4 [list source [file
              join $dir nettool.tcl]]
  foundin:    0.5.4
  is_private: 0
  login:      anonymous
  priority:   5 Medium
  resolution: None
  severity:   Critical
  status:     Open
  submitter:  anonymous
  subsystem:  nettool
  title:      typo in pkgIndex.tcl
  type:       Bug

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Commit [faab7ecc5bb12b62b9cd03c9d4771f197ebe3dda16bf583365be04b8400f85a7]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-21T09:11:54.005
  Details https://core.tcl-lang.org/tcllib/info/faab7ecc5bb12b62b9cd03c9d4771f197ebe3dda16bf583365be04b8400f85a7

Description
   More progress on struct::graph::op docs.

Changed Files
  2 edited
           modules/struct/graph.man
           modules/struct/graphops.man

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Commit [f1f28a3458eab37f0080639ea03af29273eca09921c3b459e20a3bb7ef22b0a6]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-20T10:56:49.538
  Details https://core.tcl-lang.org/tcllib/info/f1f28a3458eab37f0080639ea03af29273eca09921c3b459e20a3bb7ef22b0a6

Description
   Tiny bit more progress improving struct::graph::op docs.

Changed Files
  1 edited
           modules/struct/graphops.man

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Commit [bb86fabcb3da4b207eb806a9f22ff7115c02f5b8f43c0a76bb5a9867fca877ff]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-19T08:24:23.036
  Details https://core.tcl-lang.org/tcllib/info/bb86fabcb3da4b207eb806a9f22ff7115c02f5b8f43c0a76bb5a9867fca877ff

Description
   Started doc improvements for struct::graph::op

Changed Files
  1 edited
           modules/struct/graphops.man

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Commit [7ea3f551a97e90b6fde2138680fb7c8bd28bb295ed2e18912d2b583df562d6ab]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-19T07:47:07.192
  Details https://core.tcl-lang.org/tcllib/info/7ea3f551a97e90b6fde2138680fb7c8bd28bb295ed2e18912d2b583df562d6ab

Description
   Replaced graph eg with a better one.

Changed Files
  1 edited
           modules/struct/graph.man

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Commit [dfdb18113d330782afd3dd3619a2f1450eb9f426017b6a15b7b427355ed6b35a]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-18T12:02:20.464
  Details https://core.tcl-lang.org/tcllib/info/dfdb18113d330782afd3dd3619a2f1450eb9f426017b6a15b7b427355ed6b35a

Description
   Added xref to struct::graph::op; now finished graph docs.

Changed Files
  1 edited
           modules/struct/graph.man

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Commit [90f4ee4185ccca627abd1b0c6c786ef7dc7917e35644d947889a355a444933f3]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-18T11:57:12.490
  Details https://core.tcl-lang.org/tcllib/info/90f4ee4185ccca627abd1b0c6c786ef7dc7917e35644d947889a355a444933f3

Description
   Added a simple eg for the graph pkg.

Changed Files
  1 edited
           modules/struct/graph.man

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Commit [38f6209f3f3eb3cc9ad27166e36f701bc91ae14fdc04130cec1b70a41b8b1729]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-18T09:06:46.281
  Details https://core.tcl-lang.org/tcllib/info/38f6209f3f3eb3cc9ad27166e36f701bc91ae14fdc04130cec1b70a41b8b1729

Description
   Completed doc improvements for the graph package.

   (This is still incomplete since I haven't added any egs yet.)

Changed Files
  1 edited
           modules/struct/graph.man

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Commit [0f3383f28d4865de9395d049428020f70b4ce958b0a34fd55f34d4a36bdf160a]
  By      mark
  For     Tcllib (branch: main)
  On      2026-05-15T08:09:31.007
  Details https://core.tcl-lang.org/tcllib/info/0f3383f28d4865de9395d049428020f70b4ce958b0a34fd55f34d4a36bdf160a

Description
   A tiny bit more progress improving the graph docs.

Changed Files
  1 edited
           modules/struct/graph.man

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Commit [0b727a54839e89ad6b7b9cf69b8c2087ce8c9dd27b9c7ac8ebdb2ca27fd26489]
  By      csaba
  For     Tklib (branch: trunk)
  On      2026-04-21T16:25:40.027
  Details https://core.tcl-lang.org/tklib/info/0b727a54839e89ad6b7b9cf69b8c2087ce8c9dd27b9c7ac8ebdb2ca27fd26489

Description
   Released Tsw 1.4.1.

Changed Files
  1 edited
           modules/tsw/ChangeLog

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Commit [71f28eebd42bb3ef25393df4466c926f393025b25ff5a144db1074a07309f7a6]
  By      csaba
  For     Tklib (branch: trunk)
  On      2026-04-21T16:19:00.198
  Details https://core.tcl-lang.org/tklib/info/71f28eebd42bb3ef25393df4466c926f393025b25ff5a144db1074a07309f7a6

Description
   Released Tablelist 7.10.

Changed Files
  1 edited
           modules/tablelist/ChangeLog

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Commit [9cc8707935c8df24e3ec9a180147fd4a06e068e46598acb7d30184662bf629ae]
  By      csaba
  For     Tklib (branch: trunk)
  On      2026-04-21T16:23:04.955
  Details https://core.tcl-lang.org/tklib/info/9cc8707935c8df24e3ec9a180147fd4a06e068e46598acb7d30184662bf629ae

Description
   Released Scrollutil 2.9.

Changed Files
  1 edited
           modules/scrollutil/ChangeLog

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Ticket Change [6f2f48b7f2759059d6463ca9cdd332ee42f69fc9acecc65b6ea89e7d08b47e34]
  [::math::statistics::linear-model does not return correct t value]
  By      oehhar
  For     Tcllib
  On      2026-04-21T10:23:47.018
  Details https://core.tcl-lang.org/tcllib/tinfo?name=6f2f48b7f2759059d6463ca9cdd332ee42f69fc9acecc65b6ea89e7d08b47e34
  Ticket  https://core.tcl-lang.org/tcllib/tktview/4dd68ce4e76841f439a76a7eae154b5865604477

Changed Fields
  icomment: Looks good. Maybe, Arjen may double check the math?  Otherwise,
            merging is ok.

            Thanks for all,  Harald
  login:    oehhar
  username: oehhar

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Ticket Change [e7897cce6a527833c001e4a388da1e26d412718c6ea0eb002e2c842c0ce1e98e]
  [json::write proposals: tdom formatting, true, false, null]
  By      oehhar
  For     Tcllib
  On      2026-04-21T10:21:20.310
  Details https://core.tcl-lang.org/tcllib/tinfo?name=e7897cce6a527833c001e4a388da1e26d412718c6ea0eb002e2c842c0ce1e98e
  Ticket  https://core.tcl-lang.org/tcllib/tktview/e15c2a7ce1a4561c982b9b3e7c0b46c168042064

Changed Fields
  icomment: Add commands bool and string-null with commit [d6d4f017f5].

            The RFE is IMHO feature-complete and may be merged.

            Thanks for all,  Harald
  login:    oehhar
  username: oehhar

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Commit [d6d4f017f55a874a4211b6762f5b81c8a19acce5804a6d990f2b2f6e86256498]
  By      oehhar
  For     Tcllib (branch: e15c2a7c-json-write-hao)
  On      2026-04-21T10:19:23.775
  Details https://core.tcl-lang.org/tcllib/info/d6d4f017f55a874a4211b6762f5b81c8a19acce5804a6d990f2b2f6e86256498

Description
   [e15c2a7c]: add commands for boolean and null.

Changed Files
  3 edited
           modules/json/json_write.man
           modules/json/json_write.tcl
           modules/json/json_write.test

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Ticket Change [3f5b4ad12087e2af82edda805a8acc3bf107d5739aa7645c821f061d792a4f07]
  [json::write proposals: tdom formatting, true, false, null]
  By      oehhar
  For     Tcllib
  On      2026-04-21T09:26:39.093
  Details https://core.tcl-lang.org/tcllib/tinfo?name=3f5b4ad12087e2af82edda805a8acc3bf107d5739aa7645c821f061d792a4f07
  Ticket  https://core.tcl-lang.org/tcllib/tktview/e15c2a7ce1a4561c982b9b3e7c0b46c168042064

Changed Fields
  icomment: Thanks!  tdom output accepted in test by commit [dc6ccf0426].

            Harald
  login:    oehhar
  username: oehhar

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See Tcl/Tk development @ http://core.tcl-lang.org/
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Commit [dc6ccf04263c5d428b8c03c8a6587cfa81ecde94ce2e282c57411f26442938c4]
  By      oehhar
  For     Tcllib (branch: e15c2a7c-json-write-hao)
  On      2026-04-21T09:22:23.427
  Details https://core.tcl-lang.org/tcllib/info/dc6ccf04263c5d428b8c03c8a6587cfa81ecde94ce2e282c57411f26442938c4

Description
   [e15c2a7c] accept tdom json write format

Changed Files
  1 edited
           modules/json/json_write.test

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See Tcl/Tk development @ http://core.tcl-lang.org/
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