Electronic subscriber identity module transfer credential wrapping

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11736273
APP PUB NO 20220399993A1
SERIAL NO

17820236

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Importance

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Abstract

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Embodiments described herein relate to credential wrapping for secure transfer of electronic SIMs (eSIMs) between wireless devices. Transfer of an eSIM from a source device to a target device includes re-encryption of sensitive eSIM data, e.g., eSIM encryption keys, financial transaction credentials, transit authority credentials, and the like, using new encryption keys that include ephemeral elements applicable to a single, particular transfer session between the source device and the target device. The sensitive eSIM data encrypted with a symmetric key (Ks) is re-wrapped with a new header that includes a version of Ks encrypted with a new key encryption key (KEK) and information to derive KEK by the target device. The re-encrypted sensitive SIM data is formatted with additional eSIM data into a new bound profile package (BPP) to transfer the eSIM from the source device to the target device.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CALIFORNIA 95014 95014

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Padova, Jean-Marc San Francisco, US 21 501
Yang, Xiangying Cupertino, US 184 2441

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