Editing Security

[[File:OCP-security-v1-17a3x.png|right]]
==Welcome==

: '''OCP Security Project'''

:This Project is open to the public and we want to welcome all those who would like to be involved.

Disclaimer: Please do not submit any confidential information to the Project Community. All presentation materials, proposals, meeting minutes and/or supporting documents are published by OCP and are open to the public in accordance to OCP's Bylaws and IP Policy. This can be found on the OCP [http://www.opencompute.org/about/ocp-policies/ OCP Policies] page.  If you have any questions please contact OCP.

==Documents==

:- [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/files/e1db398bce18523d1cbecd13cc60688c942a5d5c.pdf Charter]

:- [https://docs.google.com/spreadsheets/d/1o5Vx8QFfHX_AO9pNw5wEjVNeCQ516P55ef71dhz4f6M/edit#gid=0 Meeting Agenda]

Works in Progress

::- [https://docs.google.com/document/d/1NaWTRfXgNTiRzp8EnsYKjudo3z2lrdDK0dPyqer0DgU/edit# Glossary]

::- [https://docs.google.com/document/d/13I-meE6BxiLB_c-Mjr3cLLK9S0SjuPuRjPfS9yTG6P8/edit Common Security Threats]

::- [https://docs.google.com/document/d/1Tea1Nfg9T5R7O-pVtorGhQ0UHQzCdMBMckT2hJfBKB8/edit Secure Update and Recovery DEPRECATED]

::- [https://docs.google.com/document/d/1I1eNJvB9oFjnD8oiEBRK5SGFGhKW8AqxrLOqBSzSYoQ/edit Attestation Scope]

:::- [https://docs.google.com/document/d/1fzBnA6N9vGYj--Mxit9Whp0TPPyGqgOyBlHdgCN9F_Q/edit Attestation of Systems and System Components]

:::- [https://docs.google.com/document/d/1DQGXpOEliExRPil4ozr8A50nibJpGAvAH1PW0uZRZrA/edit Attestation: Use Cases]

::- [https://docs.google.com/document/d/1Se1Dd-raIZhl_xV3MnECeuu_I0nF-keg4kqXyK4k4Wc/edit Secure Boot]

::- [https://docs.google.com/document/d/1Ge_w9i5A6YKG-7nlTp--JhZf6By7I9oB3oW_2_i7JbE/edit Recovery]

::- [https://docs.google.com/spreadsheets/d/1Tu42ZawQoaWqgqC5lY-PNdw48QsILyjI/edit#gid=1174137179 Security Checklist and Badges]

::- [https://docs.google.com/document/d/18dyizlg0betQTlad3nFY4jpXaG09QasQPVwCM572StY/edit?usp=sharing Management Interface Requirements]

::- [https://docs.google.com/document/d/1-bfAF86cEKcn1guF-Qj2C2HhMM2oJ2njNGdHxZeetR0/edit# Secure Platform Overview]

::- [https://docs.google.com/document/d/1oANhjvv_R7E5n8w1RroN8l8-0jdYlfdQDp_3RqGV66k/edit# Ownership Transfer]

::- [https://docs.google.com/document/d/17QAXfpEDlIvSbw0pFJ9wKeIBeBwIFkP4Z8SjhxyECAw/edit# Work Backlog & Prioritization]


Third Party Security Reviews

::- [https://drive.google.com/file/d/177hRzP05xE5OlvW7nuBH35SxaBSo1TRI/view?usp=share_link Firmware Security Review Framework (Draft)]

::- [https://drive.google.com/file/d/13XcR9QG0ZibR7dMs9TQTY7WnWyPs9oIB/view?usp=share_link NVMe Cloud SSD Specification Firmware Security Review Scope (Draft)]

::- [https://drive.google.com/file/d/18m0q3ZFZarYJzZ5lOuPShyBKIx6QfGVA/view?usp=share_link Firmware Security Audits (Slide Deck)]


OCP blogs and announcements

::- [https://www.opencompute.org/blog/ocp-security-announces-version-10-specs-for-root-of-trust Fall 2020 OCP Tech Week Blog Post]

::- [https://www.prnewswire.com/news-releases/ocp-announces-v1-0-of-security-requirements-documents-improving-security-and-trust-for-future-ocp-servers-with-hardware-root-of-trust-301169974.html Fall 2020 PR Newswire Announcement]


Reference

:- [https://drive.google.com/open?id=13LwglwJ3n9KA8Q5IzBNGjDwYN-TVAeYs Certificate Templates for DICE Attestation] (Intel) Presented 2019-04-30

:- [http://files.opencompute.org/oc/public.php?service=files&t=a436c2418eabd27679f770fbd8621d40&download SPIRAL Protocol Family] (Intel) Presented 2019-01-29

:- [http://files.opencompute.org/oc/public.php?service=files&t=ca33b44f612f8c09db827b610c4d1c54 SPIRAL Protocol Family] (Intel) Presented 2019-03-05

:- [https://drive.google.com/file/d/1q8sSnFtbRuSmYxyKHOLMNBJqLNekBsDL/view?usp=sharing Trusted Platform Module 2.0 Policy Authorization] (IBM) Presented 2020-08-18 by Ken Goldman

:- [https://github.com/opencomputeproject/Security/blob/master/SecureFirmwareDevelopmentBestPractices.md CSIS Firmware Development Best Practices]

:- [https://drive.google.com/file/d/1fC5c8dMvS95OzWMClDrIXe7FjYMHeqZF/view?usp=sharing Google Position on Attested Boot Logs] Presented 2021-02-23 by Jeff Andersen

:- [https://drive.google.com/file/d/1098TOVfY8dnFyZHlWH_PUcueBs3f8jbI/view?usp=sharing Delivering Platform Integrity Without Universal Secure Boot] Presented 2021-03-23 by Jeff Andersen

:- [https://drive.google.com/file/d/1t4DZztlFjQwQ2qBc6x6XTox3lvAIFlQN/view?usp=sharing Recovery Spec Overview] Presented 2021-03-30 by Bryan Kelly

:- [https://drive.google.com/file/d/1FIIGfvdCC3uIrn_2FsWQu4EHdxzL9K-Q/view?usp=sharing Ownership Transfer and State Management] Presented 2022-03-08 by Jeff Andersen

:- [https://drive.google.com/file/d/1UETpYWAtUORr-IT-qblvCWfjWDeuaaoJ/view?usp=sharing OCP Crypto Discussion] Presented 2022-08-08 by Huijun Xie

:- [https://drive.google.com/file/d/1hVj0qxCsZGg3ZXR70asCPRKz8eBRDC13/view?usp=sharing System Ownership and Firmware with Multiple Signing Domains] Presented 2022-08-23 by Daniil Egranov

:- [https://drive.google.com/file/d/1iPwIzVb1lqpebZokxwSEI6YfXAg9hdFL/view?usp=sharing OCP Recovery Overview] Presented by Eric Spada

:- [https://drive.google.com/file/d/1URO4X6ZEIcbbisHZThuw8AFfWsXmGN0d/view?usp=sharing TCG DICE and DMTF SPDM Binding] Presented 2022-08-30 by Chandra Nelogal and Brett Henning

:- [https://drive.google.com/file/d/1lSeeYijn4K5Cnd4AaIIw-yP8C7tmgell/view?usp=sharing Intro to Hash-based Signatures] Presented 2022-09-13 by Jeff Andersen

:- [https://drive.google.com/file/d/1yxlqAiNWvnX22aY-LX1L2kJBOnLRTC90/view?usp=sharing Attestation + TPM flows] Presented 2022-09-27 by Jeff Andersen

:- [https://drive.google.com/file/d/1zxtgMlBrxhXieO9phLgriuAUJl-Duchj/view?usp=sharing Port Remediation] Presented 2022-10-11 by Thomas Koh

:- [https://drive.google.com/file/d/1GZTy8rEcpJhXZlkL8TZrUis2x3-wIWhs/view?usp=share_link Media Sanitization] Presented 2022-12-06 by Jonmichael Hands and Arie van der Hoeven

:- [https://drive.google.com/file/d/1t5WSUZKzYUBYWses22I-yc-vDDIvAUQb/view?usp=sharing Port Remediation Update] Presented 2022-12-13 by Thomas Koh and Colin Mitchell

:- [https://docs.google.com/presentation/d/1Z0A3y-VskBf0Kp71zQOK6B2BipoQUNx8AoR6NGpDeIQ/edit?usp=sharing OCP "Streaming" Boot] Presented 2023-01-10 by Varun Sampath and Bharat Pillilli

:- [https://drive.google.com/file/d/1mcn86zaEyk5kir-bb1R0MUm6XNG1oBaR/view?usp=share_link Attested Reset] Presented 2023-01-17 by Jeff Andersen

:- [https://drive.google.com/file/d/1KIo0mwYQ9KmH13oqef4Oc2-emDH6WsJS/view?usp=share_link SBOMs] Presented 2023-02-14 by Bryan Kelly

:- [https://drive.google.com/file/d/1WCquWiaBlAsoInLwDX8NkMxnptVMBNuJ/view?usp=share_link Secure Manufacturing] Presented 2023-03-28 by Jeff Plank

:- [https://drive.google.com/file/d/1JE56f_DOJEhMVb_o6MW10DqshoAVWNov/view?usp=sharing 3P Firmware Audits] Presented 2023-04-12 by Eric Eilertson, Þórður Björnsson

:- [https://drive.google.com/file/d/1F6Dkx9dvnGz4UPHm1_Nqzm0pulvi-xib/view?usp=share_link 3P Audits] Presented 2023-05-16 by Alex Matrosov

:- [https://drive.google.com/file/d/1I04Fxi8P1XsvnMrTzkkUoMruFfqNBTM1/view?usp=sharing Requests to NIST regarding asymmetric key derivation] Presented 2023-06-06 by Jeff Andersen and Thomas Bowen

:- [https://drive.google.com/file/d/1Z8dQSqCr_iGOO8yT0PKW5PAnGHV3q_M6/view?usp=sharing Specification and Formal Verification of Attestation Mechanisms in Confidential Computing] Presented 2023-06-13 by Muhammad Usama Sardar

:- [https://drive.google.com/file/d/1_T6k_fCjz1njYeDJJfyh6PtRbhVB3w7H/view?usp=drive_link Request to NIST regarding HBS key export] Presented 2023-08-22 by Jeff Andersen

:- [https://drive.google.com/file/d/1og-YYG9zOutfcNVbMAwNP0z9nbZH-QmF/view?usp=sharing Device attestation 1] Presented 2024-01-09 by Roksana Mojarad

:- [https://drive.google.com/file/d/1vpxy3xso_T30DN1j53uA55s6wtSWfir6/view?usp=sharing Device attestation 2] Presented 2024-01-23 by Roksana Mojarad

:- [https://drive.google.com/file/d/1u4nE-DCs7KBWfRFf9fcJ_Oxmdd6kdUtd/view?usp=sharing Firmware attestation demo] Presented 2024-01-23 by Roksana Mojarad

==Approved Publications==

::- [https://www.opencompute.org/documents/common-security-threats-notes-1-pdf Common Security Threats v1.0 White Paper]
::- [https://www.opencompute.org/documents/secure-boot-2-pdf Secure Boot v1.0 White Paper]
::- [https://www.opencompute.org/documents/attestation-v1-0-20201104-pdf Attestation v1.0 White Paper]
::- [http://files.opencompute.org/oc/public.php?service=files&t=f4171bae8c7a32f05b0401378ee08483&download INFO, White Paper, Ownership and Control of Firmware in Open Compute Project Devices, IBM]
::- [https://www.opencompute.org/documents/ibm-white-paper-best-practices-for-firmware-code-signing INFO, White Paper, Best Practices for Firmware Code Signing, IBM]

==Project Leadership==

===IC Representative===
:- [mailto:andres.lagar-cavilla@ocproject.net Andres Lagar-Cavilla] (Google)

===Project Leads===
:- [mailto:OCP.Security-Lead1@ocproject.net Jeff Andersen] (Google)

:- [mailto:bryan.kelly@ocproject.net Bryan Kelly] (Microsoft)

==Get Involved==

:- [https://ocp-all.groups.io/g/OCP-Security Mailing List]

==Past Events==

F2F Meeting at Facebook, October 8-9th, 2019
:- [https://docs.google.com/document/d/1pdIm7drr75HvZry7dzM2Ts-b8z-UuwhkjPIdrrPZROQ/edit Meeting Notes]
:- Recording coming soon

==Regular Project Calls==

This project meets weekly on Tuesdays at 9am PT (please check the call calendar).

:- [https://www.opencompute.org/projects/security Call Calendar]
:- [https://opencompute-org.zoom.us/j/85292919316?pwd=RGk1WkgxTlRVUEU5RWxsN2RJUWFMUT09 Call Link]
:- [https://docs.google.com/document/d/1VVMUzYESZNuyT1_YJlQSdSKBy-5t1otJIyXTbXuOoX4/edit Meeting Notes]

==Recordings from Past Calls==
OCP Security Project Call
:- [https://opencompute-org.zoom.us/rec/play/3Fns1hMinmy8kV3In9fQHEU0RLZonrvDlfY7hqLLMaq-QWBateK8MwcX9WwrRQ1N-Ct5xPjtwaXoH8XN.58Quun3VOE-2HgL8?canPlayFromShare=true&from=my_recording&continueMode=true&pwd=uZoPGm651ztJtw5Z6icR-SCoI_XEhO4x&componentName=rec-play&originRequestUrl=https%3A%2F%2Fopencompute-org.zoom.us%2Frec%2Fshare%2FzemheJI1O3MdIvLU9mirga-Pq-a9Hc8fMdTFaIVgxWQfEh1RASGE5j_mvIuEB0dr.ziJVgALWuY88DgE5%3Fpwd%3DuZoPGm651ztJtw5Z6icR-SCoI_XEhO4x April 16th, 2024]
:- [https://opencompute-org.zoom.us/rec/play/PIcn56_293e9-9vB6gvLeIl065muYO0Kt1ekcl5J-X9Vu5txEoK6MbaJC9JF645F-uPn7NcaCc_5nBAb.xIJRjeswOVF7xot9?canPlayFromShare=true&from=share_recording_detail&continueMode=true&pwd=gnKdHWYkaHYQwlVzE9o2Ea3ch0WyFEz1&componentName=rec-play&originRequestUrl=https%3A%2F%2Fopencompute-org.zoom.us%2Frec%2Fshare%2FPegUBcsVY73gLQswfqXxXvqIyzzkocLM4S0KtCrTG3L4iAAOhz8croxKecemREFL.UzjmMMLIcDHLRr9w%3Fpwd%3DgnKdHWYkaHYQwlVzE9o2Ea3ch0WyFEz1 March 12, 2024]
:- [https://opencompute-org.zoom.us/rec/play/ZEoXjz4yoKLHjlapfuUSLWiMhIEuvwhxNqXswK8N0RZ1kzIreI5S_1wbdRyY0osMali5l-Zgy1EKB4s.oIevIpI8Ey9i3a1y?canPlayFromShare=true&from=share_recording_detail&continueMode=true&pwd=ZAsPcNe5FQtB56FUVAWbzwMHwb9sGzfI&componentName=rec-play&originRequestUrl=https%3A%2F%2Fopencompute-org.zoom.us%2Frec%2Fshare%2FaW-nkLm7CEubCFXz_2iqf4fBmqj8MFsGcG2pcj8wX4dZwv5xcvZDGMdTsfVLdlGl._C4ebpn_7EwO03Rh%3Fpwd%3DZAsPcNe5FQtB56FUVAWbzwMHwb9sGzfI March 5, 2024]
:- [https://www.youtube.com/watch?v=QqWqmLiT8SQ Feb 6, 2024]
:- [https://www.youtube.com/watch?v=2O7SpFGLB9k Jan 30, 2024]
:- [https://www.youtube.com/watch?v=8nVGgKYbHMg Jan 23, 2024]
:- [https://www.youtube.com/watch?v=UfEYUby2zYo Jan 9, 2024]
:- [https://www.youtube.com/watch?v=wpuabUu8CVE Dec 5, 2023]
:- [https://www.youtube.com/watch?v=NfMTZ3sTsCw Nov 28, 2023]
:- [https://www.youtube.com/watch?v=kEg7g_YFpPs Nov 14 2023]
:- [https://www.youtube.com/watch?v=jBnc0grxKAQ Oct 31, 2023]
:- [https://www.youtube.com/watch?v=kJss3CnI9_8 September 12, 2023]
:- [https://www.youtube.com/watch?v=oUQNfP7NfRY August 29, 2023]
:- [https://www.youtube.com/watch?v=fv05QtP0UhM August 22, 2023]
:- [https://www.youtube.com/watch?v=ic1wDq416Mc August 15, 2023]
:- [https://www.youtube.com/watch?v=upGMu4vAF2M August 1, 2023]
:- [https://www.youtube.com/watch?v=KvQievXmZkA July 25, 2023]
:- [https://www.youtube.com/watch?v=vLqXiZSMyng July 18, 2023]
:- [https://www.youtube.com/watch?v=EvYXCvfH3vA July 11, 2023]
:- [https://www.youtube.com/watch?v=hcZ-O4odmxc June 20, 2023]
:- [https://www.youtube.com/watch?v=5WXPcGKxlYc June 13, 2023]
:- [https://www.youtube.com/watch?v=kiB3jDBUpRA June 6, 2023]
:- [https://www.youtube.com/watch?v=N0P-CLI3VD8 May 16, 2023]
:- [https://www.youtube.com/watch?v=oc4AXtx82AY May 9, 2023]
:- [https://www.youtube.com/watch?v=pKSFYjsIPQ0 May 2, 2023]
:- [https://www.youtube.com/watch?v=hLcop4xEcyw April 11, 2023]
:- [https://www.youtube.com/watch?v=JQfJo-50Rd8 March 28th, 2023]
:- [https://www.youtube.com/watch?v=dD7Yojz1qOI March 21, 2023]
:- [https://www.youtube.com/watch?v=wQpu2ZnJkAE February 28, 2023]
:- [https://www.youtube.com/watch?v=NFk09xwzRu8 February 14, 2023]
:- [https://www.youtube.com/watch?v=LuXkt4MEfLk January 31, 2023]
:- [https://www.youtube.com/watch?v=9AooIeS0m9U January 17, 2023]
:- [https://www.youtube.com/watch?v=nwD7bLssH8U January 10, 2023]
:- [https://www.youtube.com/watch?v=dOglaXDWYGs December 13th, 2022]
:- [https://www.youtube.com/watch?v=1wbEDfkgWqc December 6th, 2022]
:- [https://www.youtube.com/watch?v=cxUrEHheTXM November 29th, 2022]
:- November 15th, 2022 - No Recording
:- November 1st, 2022 - No Recording
:- [https://www.youtube.com/watch?v=woUQuPTzcxc October 11th, 2022]
:- [https://www.youtube.com/watch?v=v94hkpQ8104 October 4th, 2022]
:- [https://www.youtube.com/watch?v=g0aS4aWte28 September 27th, 2022]
:- [https://www.youtube.com/watch?v=lZ1PnJml1CY September 13th, 2022]
:- [https://www.youtube.com/watch?v=LzIHVkWcchM September 6th, 2022]
:- [https://www.youtube.com/watch?v=66pYmsaaCJo August 30th, 2022]
:- [https://www.youtube.com/watch?v=NOCDRkVErv4 August 23rd, 2022]
:- [https://www.youtube.com/watch?v=2lqz4cFUCFo August 9th, 2022]
:- [https://www.youtube.com/watch?v=XZ9yARreUt4 August 2nd, 2022]
:- [https://www.youtube.com/watch?v=KG-HU52I7gU July 26th, 2022]
:- [https://www.youtube.com/watch?v=5SejykeQauU July 12th, 2022]
:- [https://www.youtube.com/watch?v=S3YjOWY_Ljc June 28th, 2022]
:- [https://www.youtube.com/watch?v=peyF1slSreQ June 21st, 2022]
:- [https://www.youtube.com/watch?v=G_bChr7cj1o June 14th, 2022]
:- [https://www.youtube.com/watch?v=jlPlElUcx9g June 7th, 2022]
:- Call Cancelled
:- [https://www.youtube.com/watch?v=MR4r5Td7E54 May 17th, 2022]
:- [https://www.youtube.com/watch?v=ygmaTc6n078 May 10th, 2022]
:- [https://www.opencompute.org/events/past-events/ocp-tech-talk-series-security May 3rd, 2022 Security Project Tech Talk]
:- April 26th, 2022 Call Not Recorded
:- [https://www.youtube.com/watch?v=5sgW6qIw4xg April 19th, 2022]
:- [https://www.youtube.com/watch?v=XHvx_ksWNVQ April 12th, 2022]
:- [https://www.youtube.com/watch?v=vdMk1UvyA1g April 5th, 2022]
:- [https://www.youtube.com/watch?v=gKFWcX8jVf8 March 29th, 2022]
:- March 22nd, 2022 Call Not Recorded
:- [https://www.youtube.com/watch?v=s9uei_7gLOM March 15th, 2022]
:- [https://www.youtube.com/watch?v=nq5ZJTE_QPk March 8th, 2022]
:- [https://www.youtube.com/watch?v=D6PLcvsmvOA February 22nd, 2022]
:- [https://www.youtube.com/watch?v=JHGHDR1iS0E February 15th, 2022]
:- [https://www.youtube.com/watch?v=Tlf4lEU36LU February 8th, 2022]
:- [https://www.youtube.com/watch?v=E1Mzy8lSxa8 February 1st, 2022]
:- [https://www.youtube.com/watch?v=675cQUF1trI January 25th, 2022]
:- [https://www.youtube.com/watch?v=v3Ih8EOyxeU January 11th, 2022]
:- [https://www.youtube.com/watch?v=P_dQwTZC0Mo December 14th, 2021]
:- [https://www.youtube.com/watch?v=1HpZ5r9KJmE December 7th, 2021]
:- [https://www.youtube.com/watch?v=ha7I1Ch51qo November 16th, 2021]
:- [https://www.youtube.com/watch?v=gih6sfX-PWE September 28th, 2021]
:- [https://www.youtube.com/watch?v=GTVmvLGoJXI September 21st, 2021]
:- [https://www.youtube.com/watch?v=G8Y5lO-BKwA September 14th, 2021]
:- [https://www.youtube.com/watch?v=effKwMAh_r4 August 10th, 2021]
:- [https://www.youtube.com/watch?v=X1qfSoKnTWs August 3rd, 2021]
:- [https://www.youtube.com/watch?v=xwBoXJWa1i8 July 27th, 2021]
:- [https://www.youtube.com/watch?v=JW2k43i0eWc July 20th, 2021]
:- [https://www.youtube.com/watch?v=Zg0EcFmphrE July 13th, 2021]
:- [https://www.youtube.com/watch?v=WGNjMawjr8M June 29th, 2021]
:- [https://www.youtube.com/watch?v=4H-y4CAXPdU June 22nd, 2021]
:- [https://www.youtube.com/watch?v=4OOVMbm6uAI June 15th, 2021]
:- [https://www.youtube.com/watch?v=8MAhAykZ5cs June 8th, 2021]
:- [https://www.youtube.com/watch?v=Z_QX9Y2s9P4 June 1st, 2021]
:- [https://www.youtube.com/watch?v=LWg4NIOkqOI May 25th, 2021]
:- [https://www.youtube.com/watch?v=wQo6IiK1M1I May 18th, 2021]
:- [https://www.youtube.com/watch?v=Q77IvLzDj2E May 11th, 2021]
:- [https://www.youtube.com/watch?v=M6cid7COeeg April 27th, 2021]
:- [https://www.youtube.com/watch?v=f2uBU4Dj2Mw April 20th, 2021]
:- [https://www.youtube.com/watch?v=yjwsy6OjKT0 April 13th, 2021]
:- [https://www.youtube.com/watch?v=6zu0_ioDMyE April 6th, 2021]
:- [https://www.youtube.com/watch?v=vF0c0j-PT0k March 30th, 2021]
:- [https://www.youtube.com/watch?v=O1V3B2jU5TI March 23rd, 2021]
:- [https://www.youtube.com/watch?v=LU4LI9TLJNQ March 16th, 2021]
:- [https://www.youtube.com/watch?v=dl06fR5yIZY March 2nd, 2021]
:- [https://www.youtube.com/watch?v=6cU12vdrM2Q February 23rd, 2021]
:- [https://www.youtube.com/watch?v=qZTPObaagao February 16th, 2021]
:- [https://www.youtube.com/watch?v=6eJqBQiJUkc February 9th, 2021]
:- [https://www.youtube.com/watch?v=7TzAGcV6X8k February 2nd, 2021]
:- [https://www.youtube.com/watch?v=BLyOdJxhRGU January 26th, 2021]
:- [https://www.youtube.com/watch?v=c1hG52usLF4 January 19th, 2021]
:- [https://www.youtube.com/watch?v=cSo_4BP7gFo January 12th, 2021]
:- [https://www.youtube.com/watch?v=Xx176MGBr2A December 8th, 2020]
:- [https://www.youtube.com/watch?v=UiKjJ3ksJ3E November 3rd, 2020]
:- [https://www.youtube.com/watch?v=qzBK50yngEo October 27th, 2020]
:- [https://www.youtube.com/watch?v=ePE3e1eGoj4 October 20th, 2020]
:- [https://www.youtube.com/watch?v=tgCf9aPCuzQ October 13th, 2020]
:- [https://www.youtube.com/watch?v=kAsDr49AEc0 October 6th, 2020]
:- [https://www.youtube.com/watch?v=VDZf2J6T9LQ September 22nd, 2020]
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