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10 lines
582 B
Plaintext
10 lines
582 B
Plaintext
o Minor features (performance, RNG):
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- Tor now constructs a fast secure pseudorandom number generator for
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each thread, to use for cases where performance is critical. This PRNG
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is based on AES-CTR, using a buffering construction similar to
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libottery and the (newer) OpenBSD arc4random() code. It outperforms
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OpenSSL 1.1.1a's CSPRNG by roughly a factor of 100 for small outputs.
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Although we believe it to be cryptographically strong, we are only
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using it when necessary for reasonable performance. Implements tickets
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29023 and 29536.
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