hmac.MarkAsUsedInKDF(extractor) extractor.Write(secret) return extractor.Sum(nil) } func Expand[H fips140.Hash](h func() H, pseudorandomKey []byte, info string, keyLen int) []byte { out := make([]byte, 0, keyLen) expander := hmac.New(h, pseudorandomKey) hmac.MarkAsUsedInKDF(expander) var counter uint8 var buf []byte for len(out) < keyLen { counter++ if counter == 0 { panic("hkdf: counter overflow") } if counter > 1 { expander.Reset() } expander.Write(buf) expander.Write([]byte(info)) expander.Wr...

Christopher Bate, collin, Danila Bespalov, David Datascientist, Deven Desai,
Duncan Riach, Ehsan Kia, Ellie, Fan Du, fo40225, Frederic Bastien, fsx950223,
Gauri1 Deshpande, geetachavan1, Guillaume Klein, guozhong.zhuang, helen, Håkon
Sandsmark, japm48, jgehw, Jinzhe Zeng, Jonathan Dekhtiar, Kai Zhu, Kaixi Hou,
Kanvi Khanna, Koan-Sin Tan, Koki Ibukuro, Kulin Seth, KumaTea, Kun-Lu, Lemo,

salt) hmac.MarkAsUsedInKDF(extractor) extractor.Write(secret) return extractor.Sum(nil) } func Expand[H hash.Hash](h func() H, pseudorandomKey []byte, info string, keyLen int) []byte { out := make([]byte, 0, keyLen) expander := hmac.New(h, pseudorandomKey) hmac.MarkAsUsedInKDF(expander) var counter uint8 var buf []byte for len(out) < keyLen { counter++ if counter == 0 { panic("hkdf: counter overflow") } if counter > 1 { expander.Reset() } expander.Write(buf) expander.Write([]byte(info)) expander.Wr...