FYI, here the debug logging from the point where an auth token is requested from the trust; note that the returned token now uses PKIZ (I think there was a recent change from PKI):

2014-06-22 16:17:18.670 25611 DEBUG keystoneclient.session [req-95c63832-5561-4665-8c8d-fdf22b41b7a7 ] REQ: curl -i -X POST http://10.10.0.123:5000/v3/auth/tokens -H "Content-Type: application/json" -H "Accept: application/json" -H "User-Agent: python-keystoneclient" -d '{"auth": {"scope": {"OS-TRUST:trust": {"id": "76dee940b2c44fe98577269490bc12c1"}}, "identity": {"password": {"user": {"domain": {"id": "default"}, "password": "DevStakNow", "name": "heat"}}, "methods": ["password"]}}}' request /opt/stack/python-keystoneclient/keystoneclient/session.py:252
2014-06-22 16:17:18.671 25611 INFO urllib3.connectionpool [req-95c63832-5561-4665-8c8d-fdf22b41b7a7 ] Starting new HTTP connection (1): 10.10.0.123
2014-06-22 16:17:18.672 25611 DEBUG urllib3.connectionpool [req-95c63832-5561-4665-8c8d-fdf22b41b7a7 ] Setting read timeout to None _make_request /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:375
2014-06-22 16:17:18.849 25611 DEBUG urllib3.connectionpool [req-95c63832-5561-4665-8c8d-fdf22b41b7a7 ] "POST /v3/auth/tokens HTTP/1.1" 201 5874 _make_request /usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:415
2014-06-22 16:17:18.850 25611 DEBUG keystoneclient.session [req-95c63832-5561-4665-8c8d-fdf22b41b7a7 ] RESP: [201] CaseInsensitiveDict({'x-subject-token': 'PKIZ_eJy9Wlt3okoafa9fMe9nndVcNN0-zAMKEohVNAbBqreICVCAsU-MCL9-dhmTzsWkTWbW9FquXFrhu-xv7_0V-ftv_Bs6rsf-NaKX6oe_CfU8vmm4f3ErvHybMitMR7f43S97NHIvwpEVOjs7sibDrMryMhuKkDpW5jRZno6HWfmL5GXhDhptOGzcLMsXxtDzkh-ru2LpDv4RSa8IiuF3rxxEk3h6GcdsFqym7XLONE_eZtetvyaL-bBKV2y7qMfaVTK4V_-xPPd1cdlk3uHNIolv8LVKC-_MO78rrpIQF7YKJqcFoR01AzsvaWd1zI1LKvOSJbMdi8pGJNOC2b4UkVXcqAvWValu4MnUEG5cBVHYEC59yexpLaKyx6LUpJL3mV02vKY7ipdX_I5kYfpvIiEqFOqGuFu4owaTPPH66oKB6_R5Epq0xg3krOUR79PaK27m2p038jdiPr1dGNOOqJCS1m_4nHVLY9CKkb-cjKwirQd3Yk5VEReqWGKEu468Vti0L-pQo3Vo8s7RSBCNc3UnIXkvsP2CueOSRZbGW0_d6Z4nerXPu84rPp_epOY058bmZmEu78XcK8hNvA-puj4frtM67ubGWHsolNfQKNxQm2-o9Gc0Ss8eXtk96zKN2mE_Kbw7gg83CPeXSJ56Wy4MPb96xMBj5etpJeqxvjgPC5Ui2r4Rl96ZuoAjEpEvk53mrfbRPOZrMoO2Qi7zIIkr4XoalazmCe1YMq5ZEnaBSzVC3VnDRq_zHZeLpLo_XFAi93zhDlb7gpt3hUj6ZeoO1ovVYxfwy-XcvzsUS1ueW2eT9seOjnrq1Uyk09Lutse61JiYfDfpUnTAr5nh9AlgWnIZttQQOe-ozhOuo1U93gEb6MYDkPxKGNV2oQA08i9FslwvjP7PRT0riCrIVdLXxNxHfuyQQnW_dOMWhbrbX-AJws6O2WkTRJnGuriiMjSBgwq9FzkqXAUJNQDfPjO83T7_8z-nRt7L7dTUyHu5HU_t0J1naaELaoQy5JUa1BYY62nFpNOndqYB4gZ1xzUGTQfyjqZFPtOyY2mRz7TsWFrEWw11Xu_Wh-l7hHEvSHiLKHTVMhF5GsMHuBznLPF2vCtNLlOdgkMIG_mD-QP_9VN3tue6JbhgqWD9AgOeISRGPWGlsDlmJGyDaJkjhVxSlxo8CjtWg3lqrj98sJ8vkocLcqO6Bwe2j0X86iz0qSzb13UiX-0_2m8yl7aESdC5pC2LVM_9QshhIWoOTPAd62Y7KqvqI1iTU8L8KEry5wnMc4rJY_VY8i7tGDBD7VkPncDN0pYEdoWxRH_l9MNQ34uUfBZ5r4FHHpDnF0HidNROd6KeadwINWZ7bQDqZrVfQ5F20M2cGX4pLl8Cby9tV4meC-Pxjg_KS7uwx2zHFLaj8W6GC_qKmTGVmR64XBM17YF-OoJvXvA8olkt3PE9xwWVIkMnqkU9bRZA4_L8Ser0tG72NyJX51MttW-3k85RBcLLuqeR1wUSwt89XByKtXr0Dl51qFk5uMcN98qkMF2lNWbcOGA_mW6UMj1PCSTTA7F0ovZLZmeoSbjjqBvhUYUegxwiVvJkXEH_HkN_CvOjKMkpYR6L8tDeeyCxeRXqbBfYMx0q-PDVZhW0EJQ_U6zV4xIyYHh9mvB9pOTUUN-LlPwp1PQ8LhZuJV_MBwrJZaYDAlAmV3HdNBdRXHC5LCH1BcxOHUQIWc46b6XvLc_yvGoOOOnoM_5EG70OrqwFTJEbTJaEHkTjikeOIdAuUHkOAgW1V-UbG7BCF47x3Gckn4C6NQhI9xVNUFRH3nLdTBOKRAAsKjGhMoR7GxYQnz6TeQ2_CMnzQTJpp6InJxJI771IT2Pl4-pl0i7rkyCBxYzgQFXoyazPJUK3rb6InB6NSjNIxnsSmYxg-VbgzAcCul2eT5ug-LElNFJow0uFLOlZYKcmGw2MQ6_bh-h6e1DNDiiMjP6j7N0TxcSwN_IAkgMSIWuj5-FC3juuBzaFV7S6QBWyc6CNng4kehgSBw6dYtZhJIq3YsuNwQaQRl0ORXzqGO9gsqgONaqpvcQCMcVXwNoGgUJq4cRqqpaOJNReC-6iHhgcF_yfIbH9ikNTWCBfFZTHBQRFnEqocKssDGyGBs7fKXcO-4KVB8XFz6oG_B0sEAWGd7FQ_Pij5SfK8z-z_H8EzmvckOPA8bTAFlDsUBkNnUsPwPHBXDNduLzHa7-gUqDNFEAavY_zU1IjH60zp6RG3sktF66-Roufz0NJwUBQsjqweU-ZT16zGkUEXKXXg4kseA0AdbAvlx_Mw-VLR0tgWzVqOAa8QIe8oPszA8zcgs5gaWkbuGNJE69lbxbR_nZZO1g8T_AAHyiWDnGdmftZkNaXRJYc8wK8dnbCFoD2FAuIsjdOx6OsY9joaTSVgT2tFJmwzntK4YRwZ_CH1nYpPeDid2vJZ2B7DLWK1uGN41pEU0A3M7myedKBY1HHAbM-S0TJIrRYWbziLWrJe7BlkdXQPWx7zUeyRz5HIH7FOguFVMMEyNcc2zu2VUwZNDCGvAP7LrwI1hp2BI1XybRCHdbL8_Kpa3unigULSMwMcGBNuxIOlerM9Qxej9HvOIcF7mgk5KPNeWZK_yFiXnVLVwHlUKA6vhfnw61KKW3xpvHmw1Enz2edtoMOdTCuUIe0HdgLd6CLL45zs0z8u6uEvrSASAmDZdAol8xFi22rJUJWIBCuK0WCze-DXMDQ9GS3SgKAB9y2TY24XdaVFHO6DZ_Nx5-Gi5xktGsBwvPQ6iHe58C9DjFoHpYTT4PZHlaQsjpQvgcfOH24HiInL0I3dttlEn6KF8hr9_3afIMbdCqxiHagOZcDqWqfyktWOz1Yg055JLXWSxGh8g_natr1fHjgvVjSl8xcCFi-h4PKSgJIGlZfsI30WqpsfWTp6mdIvHn44DMSVRd7i1ZyClxfKFPxf1Km41DGBWkEL9FlO-DAgHfQCa89ncNYUBAFPFhHjZlGbeezUOaKbbdYNCStuak2uYdKe52KCtt7LmQMiscQKRTav7FCvrKpPcfKnpHU_gMmMqlyYxHDXcBMBgqbcBSVw7Upqx9i8Xq7U36w-p6WGnkvt1NTI--NsJDpDqMLY4kl34AVtH0ZuL7EYlYizYqrMycYTyLUCL-egZXYLs7jDcx1-3JfDBtseAZ1QxOrENxruAMSaU-ZSxiNPugdPKeKNSzeO81CTV6cK5DPm4rsoNLOPmXy1a39EQvkN85jFAeDJWdQJlEpiVPLCFdHgVIdB3rwzaxCui-wQD4T7rFoyUfhHmtv4IYd9KMRNe-jwWAk-EQs3lj9oM77g1mGtccBgcxOmkhyaqgfIvH4IYPiybymNW3AmWYAfAQ2ouxgd5UUQhK5TBvsTEcPGeRemV2xTWs9X7p7a_PCqfDIR0egTNgZ0SqKfSBTTsUUdmlyY1qo5RLjrPE37KyetTwpWEW-ZnFVzUJVsy35Co196hTnuBWm2PLVToHNFbtQCZkqlKVX4WGDLih0b09z9p-xQI7l9Zm0yH9zjqYmkrygMdsy1amlUMxT-zlzpzAd6kgUa1FHTZbMmsAeltDFp9TIZ1p2LDXymZYdS438-eBtph4NNkitY7Va1MMGnSuE6xiYiR6gjF8aVFG4fmQmMAvsVsyZlj4-k31x8bgmLKrK_R4sIdv2FDskK0AUUCW4lYjVStJFZLWvWfrKjfMl1mayt_R13Fue-_nerZxvBvsonj1bFe5gw9WR2eFR8eMmq54Skv1jwldXn4Kl-Dy-W-4X82eH1UeezZL3Hs6-2gsOu_Thgur5bBKX6ukoOf54lB95POoPbiJ3ZPFZk2Xu0MqcIR03DYk7Z0Kt0rX0mTPM6SiO6c6WFh1mLMa76DCO7-FmNRr2GtvidhyG57YVx4sVq5a2ExBqNfsPj7JmHCd9LBzhzrWt5OEClNrm0ly2_eraHW9Sd1dNarZdhN7QOjzQJ8-f6Nvh878CcIbD0HKyzLFuo0F189MoZKCPvve20YAF661htjeLbEVut95qdlsV7tpML77dZvaU2j9-2nYx-OuvH9y_si4XTta_YN-sLOu-iaI3393tfn5vz66H8mxxFpO72c3FqGL32q_5tVn4Whok-oWX10Z6thkZ-V877SrarL7bu-bCDH5e7kTYXm6nN5PCv7tODCckF4neTKzd7mf4zTQmw8s6m7j_5Pc7_9t2fZ2tL27u9HttOFtvfox4f_jTcg3euebYGW7E_a9-dAeTlX27NraVPd9awUC_6E38Jc_PJkVyZQU3vwT9ZQ0TPWqCq3Q9K7-3g5tfPbqpb-427o-z2fcd8bu19Nkk0IVcuU1miFV5mczXF9U6uPbT3s9WTtokqTaL7WA2sn26Dq3BOv5VzbN__5vs_wrDYfbvv8j4D-3eW7Y=', 'vary': 'X-Auth-Token', 'content-length': '5874', 'content-type': 'application/json', 'date': 'Sun, 22 Jun 2014 16:17:18 GMT'})
RESP BODY: {"token": {"OS-TRUST:trust": {"impersonation": true, "trustee_user": {"id": "64b33788d3034ed28d5e1590edb42ce0"}, "id": "76dee940b2c44fe98577269490bc12c1", "trustor_user": {"id": "0d0ed13ccab944f8a9ad72bc652a692b"}}, "methods": ["password"], "roles": [{"id": "2d39fd42d7c1491aad7f6882b4ad504c", "name": "heat_stack_owner"}], "expires_at": "2014-06-22T17:17:18.784049Z", "project": {"domain": {"id": "default", "name": "Default"}, "id": "77c2f7a9eedb423fac35af5d38c40e04", "name": "admin"}, "catalog": [{"endpoints": [{"url": "http://10.10.0.123:8776/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "internal", "id": "1147098475e24799b4fafae9c62c97b1"}, {"url": "http://10.10.0.123:8776/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "admin", "id": "3668097606d34e619084ad60afed5041"}, {"url": "http://10.10.0.123:8776/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "public", "id": "89f2775984e245ceb1a5b1c97b751d14"}], "type": "volume", "id": "26f1d5cdd62f4297ad8c0c6a436e2bf5", "name": "cinder"}, {"endpoints": [{"url": "http://10.10.0.123:9292", "region": "RegionOne", "interface": "admin", "id": "374c26036325460bbf0bff606175129e"}, {"url": "http://10.10.0.123:9292", "region": "RegionOne", "interface": "internal", "id": "8a35e6acc73740058d6927289e21a64e"}, {"url": "http://10.10.0.123:9292", "region": "RegionOne", "interface": "public", "id": "b9a3071fe4cd44228496bf2b14ea7bde"}], "type": "image", "id": "348417d14c5442edb50858f4fc83c3fc", "name": "glance"}, {"endpoints": [{"url": "http://10.10.0.123:3333", "region": "RegionOne", "interface": "admin", "id": "618ed3fbd4814d1aa3a9e6c5a3daae17"}, {"url": "http://10.10.0.123:3333", "region": "RegionOne", "interface": "internal", "id": "6518556f185543e5ae9e0e08b9b7b91f"}, {"url": "http://10.10.0.123:3333", "region": "RegionOne", "interface": "public", "id": "bdb85fc78ceb4ae5bb7defb77f950f53"}], "type": "s3", "id": "34927bb7ccb84a1ea16d81eeab77c9d4", "name": "s3"}, {"endpoints": [{"url": "http://10.10.0.123:8774/v3", "region": "RegionOne", "interface": "admin", "id": "54f8a13d21324880bc4968fa64aba373"}, {"url": "http://10.10.0.123:8774/v3", "region": "RegionOne", "interface": "public", "id": "73899fca22f54ee9b3d009e181979ade"}, {"url": "http://10.10.0.123:8774/v3", "region": "RegionOne", "interface": "internal", "id": "f765834203964c129258b0e19433fd52"}], "type": "computev3", "id": "63935f0f07e94f04ad5a73f75f1db5d4", "name": "novav3"}, {"endpoints": [{"url": "http://10.10.0.123:8774/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "public", "id": "28dc7525ce3f48f19ee1d9aa94f15d4a"}, {"url": "http://10.10.0.123:8774/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "internal", "id": "486a646065b24c2eb55df8bbb26f7358"}, {"url": "http://10.10.0.123:8774/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "admin", "id": "d2ada9f868e24bcf8ef228f1bbedc58e"}], "type": "compute", "id": "8c943a64137c4fe6b82211c328ac1b27", "name": "nova"}, {"endpoints": [{"url": "http://10.10.0.123:35357/v2.0", "region": "RegionOne", "interface": "admin", "id": "ba1d6e3dd354413a834a914c84e92572"}, {"url": "http://10.10.0.123:5000/v2.0", "region": "RegionOne", "interface": "internal", "id": "bfefe4a687be4b15a688595fd51bcbdf"}, {"url": "http://10.10.0.123:5000/v2.0", "region": "RegionOne", "interface": "public", "id": "e70912b21f6f41c6b5325b7e04c31cd5"}], "type": "identity", "id": "9f64863ff3984354b6baacea07316c33", "name": "keystone"}, {"endpoints": [{"url": "http://10.10.0.123:8773/services/Cloud", "region": "RegionOne", "interface": "public", "id": "6aa1b618c4e9402f9f5f504acd9db25c"}, {"url": "http://10.10.0.123:8773/services/Admin", "region": "RegionOne", "interface": "admin", "id": "6fc6b320aca540e3b1fb4a0eeef9ba1d"}, {"url": "http://10.10.0.123:8773/services/Cloud", "region": "RegionOne", "interface": "internal", "id": "ba52663820f04d448d6a89339feb1ce3"}], "type": "ec2", "id": "bd0bedb49c104613b2203e5056137a72", "name": "ec2"}, {"endpoints": [{"url": "http://10.10.0.123:8776/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "public", "id": "4e01527813b64f5bb5cf4309c233e401"}, {"url": "http://10.10.0.123:8776/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "internal", "id": "b853971f5e3c46f3b41f35f9ed964337"}, {"url": "http://10.10.0.123:8776/v2/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "admin", "id": "f71ca0e363dc42c8bc7cde3ebe2c40ed"}], "type": "volumev2", "id": "d04960d7245d419c88f1c999f944330b", "name": "cinderv2"}, {"endpoints": [{"url": "http://10.10.0.123:8000/v1", "region": "RegionOne", "interface": "internal", "id": "4ede5ef5846e4c38b0a246245b94ce8f"}, {"url": "http://10.10.0.123:8000/v1", "region": "RegionOne", "interface": "admin", "id": "8d3cd0ff93c44ef7bca5b57603f01125"}, {"url": "http://10.10.0.123:8000/v1", "region": "RegionOne", "interface": "public", "id": "b208f2c0b2784385b71daf529fb70753"}], "type": "cloudformation", "id": "ea2e8b4e10a34c86b57d97cdb9641f4b", "name": "heat"}, {"endpoints": [{"url": "http://10.10.0.123:8004/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "admin", "id": "bc9b2adf3c2d49b1b212336b2a8b8505"}, {"url": "http://10.10.0.123:8004/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "internal", "id": "d07db5fd06ba4da1bf2ef3375e080d7c"}, {"url": "http://10.10.0.123:8004/v1/77c2f7a9eedb423fac35af5d38c40e04", "region": "RegionOne", "interface": "public", "id": "e42d0db36dc740c2bda6af8e4c7c1ca5"}], "type": "orchestration", "id": "ef59d26f65244f23b3c770553f4e0e02", "name": "heat"}], "extras": {}, "user": {"domain": {"id": "default", "name": "Default"}, "id": "0d0ed13ccab944f8a9ad72bc652a692b", "name": "admin"}, "issued_at": "2014-06-22T16:17:18.784049Z"}}
 _send_request /opt/stack/python-keystoneclient/keystoneclient/session.py:297