US 12,267,410 B2
Managing access to tape cartridges at a tape archival service provider
Atsushi Abe, Ebina (JP); Tsuyoshi Miyamura, Yokohama (JP); Kohei Taguchi, Yokohama (JP); Kenji Mikuni, Inzai (JP); and Tsuyoshi Kamenoue, Adachi-ku (JP)
Assigned to INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed by INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed on Dec. 9, 2022, as Appl. No. 18/064,217.
Prior Publication US 2024/0195606 A1, Jun. 13, 2024
Int. Cl. H04L 9/08 (2006.01)
CPC H04L 9/0822 (2013.01) [H04L 9/0825 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A computer program product implemented in a tape drive in which a tape cartridge is coupled including a non-volatile memory and tape medium, the computer program product comprising a computer readable storage medium having computer readable program code embodied therein that is executable to perform operations, the operations comprising:
determining whether the non-volatile memory of the tape cartridge stores a key encryption key comprising an user encryption key associated with a user that is encrypted with a public key of a private key and public key pair; and
in response to determining that the non-volatile memory of the tape cartridge stores the key encryption key, performing:
decrypting the key encryption key with the private key to produce the user encryption key; and
providing the user encryption key, resulting from the decrypting, to an encryption engine of the tape drive to encrypt plain-text data read from the tape medium in the tape cartridge with the user encryption key to return to a read request.