39. Control of private key

Terms defined in s 2

• certificate

  certificate

  Defined · s 2

  “certificate” means a record issued for the purpose of supporting digital signatures which purports to confirm the identity or other significant characteristics of the person who holds a particular key pair;

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• certification authority

  certification authority

  Defined · s 2

  “certification authority” means a person who or an organisation that issues a certificate;

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• digital signature

  digital signature

  Defined · s 2

  “digital signature” means an electronic signature consisting of a transformation of an electronic record using an asymmetric cryptosystem and a hash function such that a person having the initial untransformed electronic record and the signer’s public key can accurately determine —(a)whether the transformation was created using the private key that corresponds to the signer’s public key; and(b)whether the initial electronic record has been altered since the transformation was made;

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• private key

  private key

  Defined · s 2

  “private key” means the key of a key pair used to create a digital signature;

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• public key

  public key

  Defined · s 2

  “public key” means the key of a key pair used to verify a digital signature;

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• subscriber

  subscriber

  Defined · s 2

  “subscriber” means a person who is the subject named or identified in a certificate issued to him and who holds a private key that corresponds to a public key listed in that certificate;

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