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Trusted Platform Module ( TPM) is an international standard for a secure cryptoprocessor, a dedicated microcontroller designed to secure hardware through integrated cryptographic keys. The term can also refer to a chip conforming to the standard ISO/IEC 11889. Common uses are to verify platform integrity (to verify that the boot process starts ...
Lenovo was founded in Beijing on 1 November 1984 as Legend by a team of engineers led by Liu Chuanzhi and Danny Lui. Initially specializing in televisions, the company migrated towards manufacturing and marketing computers. In 1984, Lenovo was founded in Beijing by a team of 4 guards in a shack from the Institute of Computing Technology of the ...
Root certificate. The role of root certificate as in the chain of trust. In cryptography and computer security, a root certificate is a public key certificate that identifies a root certificate authority (CA). [ 1] Root certificates are self-signed (and it is possible for a certificate to have multiple trust paths, say if the certificate was ...
Lenovo. The ThinkPad X12 Detachable Gen 2 boasts a durable 3:2 display with Corning Gorilla Glass and the whole thing’s powered by an Intel Core Ultra U processor. You can spec this tablet ...
In computer security, a hash chain is a method used to produce many one-time keys from a single key or password. For non-repudiation, a hash function can be applied successively to additional pieces of data in order to record the chronology of data's existence.
With Diffie-Hellman key exchange, two parties arrive at a common secret key, without passing the common secret key across the public channel. Diffie–Hellman (DH) key exchange [nb 1] is a mathematical method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols as conceived by Ralph Merkle and named after Whitfield Diffie and Martin Hellman.
Public-key cryptography. An unpredictable (typically large and random) number is used to begin generation of an acceptable pair of keys suitable for use by an asymmetric key algorithm. In an asymmetric key encryption scheme, anyone can encrypt messages using a public key, but only the holder of the paired private key can decrypt such a message.
In public key infrastructure (PKI) systems, a certificate signing request ( CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the certificate should be issued ...