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    Electronic device using homomorphic encryption and encrypted data processing method thereof
    2.
    发明授权
    Electronic device using homomorphic encryption and encrypted data processing method thereof 有权

    公开(公告)号：US11824967B2

    公开(公告)日：2023-11-21

    申请号：US17347055

    申请日：2021-06-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ju-Young Jung ,  Jiyoup Kim ,  Changkyu Seol ,  Pilsang Yoon ,  Jinsoo Lim ,  Myunghoon Choi

    IPC: H04L9/00 ,  H04L9/08

    CPC classification number: H04L9/008 ,  H04L9/0819 ,  H04L9/0869 ,  H04L9/0894

    Abstract: An electronic device includes a memory storing data from an external source, an application processing unit (APU) transmitting a secret key and public key generation command, an isolated execution environment (IEE) generating a secret key in response to the secret key generation command, generating a public key based on the secret key in response to the public key generation command, and storing the secret key, and a non-volatile memory performing write and read operations depending on a request of the APU. When the data are stored in the memory, the APU transmits a public key request to the IEE and in response the IEE transfers the public key to the APU through a mailbox protocol. The APU generates a ciphertext by performing homomorphic encryption on the data based on an encryption key in the public key, and classifies and stores the public key and the ciphertext in the non-volatile memory.

    RAID controller device and storage device configured to recover data having uncorrectable ECC error
    3.
    发明授权
    RAID controller device and storage device configured to recover data having uncorrectable ECC error 有权

    公开(公告)号：US10108494B2

    公开(公告)日：2018-10-23

    申请号：US15288227

    申请日：2016-10-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Geunyeong Yu ,  Junjin Kong ,  Beom Kyu Shin ,  Myungkyu Lee ,  Jiyoup Kim ,  Dongmin Shin

    IPC: G06F11/10 ,  G06F3/06

    Abstract: A redundant array of inexpensive disks (RAID) controller of a RAID storage system that includes one or more storage devices includes an error correction code (ECC) result manager configured to manage information of ECC result indicators when a data chunk that includes one or more ECC data units having an uncorrectable ECC error is read from among a plurality of data chunks dispersively stored in the one or more storage devices, each of the plurality of data chunks including a plurality of ECC data units, the ECC result indicators respectively indicating whether the plurality of ECC data units included in the plurality of data chunks has an uncorrectable ECC error; and an uncorrectable error counter configured to calculate a number of ECC result indicators indicating an uncorrectable ECC error among ECC result indicators corresponding to ECC data units having a same order in each of the plurality of data chunks.

    Electronic device using homomorphic encryption and encrypted data processing method thereof
    5.
    发明授权
    Electronic device using homomorphic encryption and encrypted data processing method thereof 有权

    公开(公告)号：US12170719B2

    公开(公告)日：2024-12-17

    申请号：US18379384

    申请日：2023-10-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ju-Young Jung ,  Jiyoup Kim ,  Changkyu Seol ,  Pilsang Yoon ,  Jinsoo Lim ,  Myunghoon Choi

    IPC: H04L9/00 ,  G06F21/32 ,  H04L9/08 ,  G06F21/60

    Abstract: An electronic device includes a memory storing data from an external source, an application processing unit (APU) transmitting a secret key and public key generation command, an isolated execution environment (IEE) generating a secret key in response to the secret key generation command, generating a public key based on the secret key in response to the public key generation command, and storing the secret key, and a non-volatile memory performing write and read operations depending on a request of the APU. When the data are stored in the memory, the APU transmits a public key request to the IEE and in response the IEE transfers the public key to the APU through a mailbox protocol. The APU generates a ciphertext by performing homomorphic encryption on the data based on an encryption key in the public key, and classifies and stores the public key and the ciphertext in the non-volatile memory.

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