cryptosystem
noun
cryp·to·sys·tem
ˌkrip-tō-ˈsi-stəm 
: a method for encoding and decoding messages
Examples of cryptosystem in a Sentence
Recent Examples on the Web
Large-scale quantum computers will be able to break existing public key infrastructure (PKI), turning our existing cryptosystems useless and compromising the confidentiality and integrity of communications and data.
—
Chris Dimitriadis, Forbes.com, 2 Apr. 2025
Open-sourcing the entire protocol makes sure the cryptosystem conforms to this rule.
—IEEE Spectrum, 13 Feb. 2024
The fear is that, sometime down the road, a fault-tolerant quantum computer will be used to break existing cryptosystems.
—Kazuhiro Gomi, Forbes, 19 Apr. 2023
In one foul swoop, Shor’s work raised the prospect that any public key cryptosystem could be cracked by a quantum computer in future.
—Discover Magazine, 10 Jan. 2023
In a quantum cryptosystem, particles such as photons would encode information in the directions of their spins and be shunted down a wire to a recipient.
—Veronique Greenwood, Discover Magazine, 6 June 2011
Since the 1970s, the RSA cryptosystem, which uses very large prime numbers to create public keys that serve as the basis of the security protocol for data communicated between Internet applications, has proven to be relatively effective.
—Vinit Patel, Fortune, 1 July 2022
Although Peter Shor of Bell Labs published a paper in 1994 showing that a quantum algorithm could crack the RSA cryptosystem, machines that can run such an algorithm haven’t been developed—yet.
—Vinit Patel, Fortune, 1 July 2022
Conti also appeared to drum up ideas for a cryptosystem by holding a competition on a hacker forum, as first reported by investigative journalist Brian Krebs.
—Matt Burgess, Wired, 17 Mar. 2022
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Chris Dimitriadis, Forbes.com, 2 Apr. 2025
Open-sourcing the entire protocol makes sure the cryptosystem conforms to this rule.
—IEEE Spectrum, 13 Feb. 2024
The fear is that, sometime down the road, a fault-tolerant quantum computer will be used to break existing cryptosystems.
—Kazuhiro Gomi, Forbes, 19 Apr. 2023
In one foul swoop, Shor’s work raised the prospect that any public key cryptosystem could be cracked by a quantum computer in future.
—Discover Magazine, 10 Jan. 2023
In a quantum cryptosystem, particles such as photons would encode information in the directions of their spins and be shunted down a wire to a recipient.
—Veronique Greenwood, Discover Magazine, 6 June 2011
Since the 1970s, the RSA cryptosystem, which uses very large prime numbers to create public keys that serve as the basis of the security protocol for data communicated between Internet applications, has proven to be relatively effective.
—Vinit Patel, Fortune, 1 July 2022
Although Peter Shor of Bell Labs published a paper in 1994 showing that a quantum algorithm could crack the RSA cryptosystem, machines that can run such an algorithm haven’t been developed—yet.
—Vinit Patel, Fortune, 1 July 2022
Conti also appeared to drum up ideas for a cryptosystem by holding a competition on a hacker forum, as first reported by investigative journalist Brian Krebs.
—Matt Burgess, Wired, 17 Mar. 2022
Cite this Entry
“Cryptosystem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cryptosystem. Accessed 20 May. 2025.
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