plainPersonalization is used by HMAC_DRBG as-is. type plainPersonalization []byte func (plainPersonalization) isPersonalizationStr() {} // Each entry in blockAlignedPersonal is written to the HMAC at a // block boundary, as specified in draft-irtf-cfrg-det-sigs-with-noise-04, // Section 4. type blockAlignedPersonal [][]byte func (blockAlignedPersonal) isPersonalizationStr() {} type personalizationStrin interface { isPersonalizationStr() } func newDRBG[H fips140.Hash](hash func() H, entropy, nonce []byte,...