IP Library Granted Patent US 10,778,419
Granted Patent B2
US 10,778,419 · App. 16/434,097 · Granted Sep 15, 2020

Method, apparatus, and computer program product for encryption key management within a group-based communication system

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Quick Facts
Patent No.
US 10,778,419
App. No.
16/434,097
Granted
Sep 15, 2020
Kind
B2
Abstract

Various embodiments are directed to systems and methods for encryption key management within a group-based communication platform.

Claims (16)

1. An apparatus for providing encryption key management, the apparatus capable of communicating with one or more servers of a communication system, the apparatus comprising at least one processor and at least one non-transitory memory storing instructions that, when executed by the processor, configure the apparatus to:

provide, to the one or more servers, access to one or more encryption keys provided by a key material source, the encryption keys for accessing data managed by the communication system;

wherein access to encryption keys is revocable on a per keyscope component basis wherein any encryption key associated with a revoked keyscope component is rendered invalid by the key material source, wherein a keyscope component is associated with an encryption key and is one or more of a timestamp, a user identifier, a message identifier, a file identifier, group-based communication channel identifier, a group-based communication team identifier, or a group-based communication workspace identifier; and

provide encrypted plaintext or decrypted ciphertext to the one or more servers, using the one or more encryption keys provided by the key material source,

wherein the plaintext comprises one or more of group-based communication message plaintext, group-based communication file plaintext, or a group-based communication search index encryption key.

2. The apparatus of claim 1 , wherein the at least one processor and at least one non-transitory memory stores instructions that, when executed by the processor, further configure the apparatus to:

provide, to the one or more servers, access to one or more encryption keys stored in at least one local memory, the encryption keys for accessing data managed by the communication system.

3. The apparatus of claim 1 , wherein the decrypted ciphertext comprises one or more of decrypted group-based communication message ciphertext, decrypted group-based communication file ciphertext, or a decrypted group-based communication search index encryption key.

4. A computer implemented method for providing encryption key management, comprising:

providing, to one or more servers of a communication system, access to one or more encryption keys provided by a key material source, the encryption keys for accessing data managed by the communication system;

wherein access to encryption keys is revocable on a per keyscope component basis wherein any encryption key associated with a revoked keyscope component is rendered invalid by the key material source, wherein a keyscope component is associated with an encryption key and is one or more of a timestamp, a user identifier, a message identifier, a file identifier, group-based communication channel identifier, a group-based communication team identifier, or a group-based communication workspace identifier; and

providing encrypted plaintext or decrypted ciphertext to the one or more servers, using the one or more encryption keys provided by the key material source,

wherein the plaintext comprises one or more of group-based communication message plaintext, group-based communication file plaintext, or a group-based communication search index encryption key.

5. The computer implemented method of claim 4 , further comprising:

providing, to the one or more servers, access to one or more encryption keys stored in at least one local memory, the encryption keys for accessing data managed by the communication system.

6. The computer implemented method of claim 4 , wherein the decrypted ciphertext comprises one or more of decrypted group-based communication message ciphertext, decrypted group-based communication file ciphertext, or a decrypted group-based communication search index encryption key.

Assignments (4)
MERGER Recorded Jan 11, 2023
From: SLACK TECHNOLOGIES, LLC
To: SALESFORCE.COM, INC.
Reel/Frame 062354/0073 →
CHANGE OF NAME Recorded Jan 11, 2023
From: SALESFORCE.COM, INC.
To: SALESFORCE, INC.
Reel/Frame 062354/0100 →
MERGER AND CHANGE OF NAME Recorded Oct 1, 2021
From: SLACK TECHNOLOGIES, INC.; SLACK TECHNOLOGIES, LLC
To: SLACK TECHNOLOGIES, LLC
Reel/Frame 057683/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 20, 2020
From: CROWLEY, RICHARD; DRUMMOND, AUDREI; FAIN, JESSICA; JONES, LEAH; FRANK, ILAN; KINKEL, NIKOLAS
To: SLACK TECHNOLOGIES, INC.
Reel/Frame 052174/0937 →