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If the same random number generator is used for several cryptographic operations

Is it recommended to create an instance of the cryptographically protected OpenSSL or Crypto ++ random number generator, run it once and use it sequentially in several cryptographic operations, such as key generation, encryption, signature, etc.?

Will it be safe enough to handle multiple applications without compromising security?

Is it safe practice to use different PRNGs for each operation and sow them differently? Are there any nuances to consider?

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Source: https://habr.com/ru/post/1599107/

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