Safeguarding cryptographic keys

  title={Safeguarding cryptographic keys},
  author={G. R. Blakley},
Certain cryptographic keys, such as a number which makes it possible to compute the secret decoding exponent in an RSA public key cryptosystem,1,5 or the system master key and certain other keys in a DES cryptosystem,3 are so important that they present a dilemma. If too many copies are distributed one might go astray. If too few copies are made they might all be destroyed. A typical cryptosystem will have several volatile copies of an important key in protected memory locations where they will… CONTINUE READING
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