Patent ID: 11861026
Assignee: MATERIALISE USA, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC G  B  H | IPC B  G  H

Claim 0:
1. A digital manufacturing system, comprising:
a digital supply item (DSI) container for use in a digital manufacturing workflow on the digital manufacturing system; and
a digital manufacturing device configured to store the digital supply item (DSI) container and the digital manufacturing workflow, the digital manufacturing device further configured to store in the digital supply item (DSI) container:
an unencrypted portion representing one or more public files; and
an encrypted portion representing one or more private files,
wherein each of the one or more public files of the unencrypted portion is protected with a cryptographic digital signature, and any application in the digital manufacturing workflow can access the one or more public files of the unencrypted portion, and each private file of the encrypted portion being encrypted separately with a unique symmetric key and an initialization vector, and
each private file identified by a file information block, wherein the file information block includes one or more parameters selected from the group consisting of: a key to encrypt a selected file, an initialization vector, a hash digest, a file number, a compression method, an uncompressed size, and a file name.