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7.11.3 Random number generation

Access to the random number generator is provided using the gnutls_rnd function. It allows obtaining random data of various levels.

GNUTLS_RND_NONCE

Non-predictable random number. Fatal in parts of session if broken, i.e., vulnerable to statistical analysis.

GNUTLS_RND_RANDOM

Pseudo-random cryptographic random number. Fatal in session if broken.

GNUTLS_RND_KEY

Fatal in many sessions if broken.

Figure 7.2: The random number levels.


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