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BoringSSL 的 FIPS 140-2 驗證

看到由 Google 主導的 BoringSSL 有計劃將其中一塊申請 FIPS 140-2 的驗證計畫 (BoringCrypto 的部份):「FIPS 140-2」。

其中 FIPS 140-2 最有名的後門應該是 Dual_EC_DRBG (定義於 NIST SP 800-90A,被 FIPS 140-2 引用),所以特地講清楚他們選擇哪個演算法:

FIPS 140-2 requires that one of its PRNGs be used (which they call DRBGs). In BoringCrypto, we use CTR-DRBG with AES-256 exclusively and RAND_bytes (the primary interface for the rest of the system to get random data) takes its output from there.

而且還花了不少篇幅解釋 PRNG 的細節。

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