private keyn.

Brit.

/ˌprʌɪvᵻt ˈkiː/, U.S.

/ˈpraɪvᵻt ˈki/

Forms: see private adj.¹, adv., and n. and key n.¹

Origin: Formed within English, by compounding. Etymons: private adj.¹, key n.¹

Etymology: < private adj.¹ + key n.¹ Compare public key n.

A cryptographic key exclusive to the person to whom it has been issued and paired with a widely disseminated public key, used to decipher data encrypted with the public key or to sign data so that it can be verified by the public key.

ΚΠ

1976 W. Diffie & M. E. Hellman in IEEE Trans. Information Theory 22 652/2 For A and B to establish a common private key, A chooses a key at random and sends an arbitrary plaintext–cryptogram pair to B.

1982 Computerworld 4 Jan. 74/1 PKE differs from other encryption devices because it provides both a ‘public’ key and a ‘private’ key. The public key encrypts and the private key ‘decrypts’.

2004 Independent 3 Mar. (Review section) 11/1 When the e-mail arrives..it can extract the header and use Hotmail's or Yahoo!s ‘public key’ (a very large number produced by multiplying the private key with another large prime) to calculate whether the apparent mail server really did send it.

This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	private key
释义	private keyn. Brit. /ˌprʌɪvᵻt ˈkiː/, U.S. /ˈpraɪvᵻt ˈki/ Forms: see private adj.¹, adv., and n. and key n.¹ Origin: Formed within English, by compounding. Etymons: private adj.¹, key n.¹ Etymology: < private adj.¹ + key n.¹ Compare public key n. A cryptographic key exclusive to the person to whom it has been issued and paired with a widely disseminated public key, used to decipher data encrypted with the public key or to sign data so that it can be verified by the public key. ΚΠ 1976 W. Diffie & M. E. Hellman in IEEE Trans. Information Theory 22 652/2 For A and B to establish a common private key, A chooses a key at random and sends an arbitrary plaintext–cryptogram pair to B. 1982 Computerworld 4 Jan. 74/1 PKE differs from other encryption devices because it provides both a ‘public’ key and a ‘private’ key. The public key encrypts and the private key ‘decrypts’. 2004 Independent 3 Mar. (Review section) 11/1 When the e-mail arrives..it can extract the header and use Hotmail's or Yahoo!s ‘public key’ (a very large number produced by multiplying the private key with another large prime) to calculate whether the apparent mail server really did send it. This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1976
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