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check for rand.Read errors and panic

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Unlikely to happen but make sure to panic if rand.Read fails otherwise values may be zeroed arrays
This commit is contained in:
Evan Su 2024-09-05 16:28:52 -04:00
parent 81f37498ce
commit adc0f34eac
2 changed files with 13 additions and 5 deletions
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2
VERSION
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@ -1 +1 @@
2.06
2.07

16
picocrypt/main.go
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@ -355,10 +355,18 @@ func work() int {
flags[4] = 1
}
_, errs[2] = fout.Write(rsEncode(rs5, flags))
rand.Read(salt)
rand.Read(hkdfSalt)
rand.Read(serpentIV)
rand.Read(nonce)
if _, err := rand.Read(salt); err != nil {
panic(err)
}
if _, err := rand.Read(hkdfSalt); err != nil {
panic(err)
}
if _, err := rand.Read(serpentIV); err != nil {
panic(err)
}
if _, err := rand.Read(nonce); err != nil {
panic(err)
}
_, errs[3] = fout.Write(rsEncode(rs16, salt))
_, errs[4] = fout.Write(rsEncode(rs32, hkdfSalt))
_, errs[5] = fout.Write(rsEncode(rs16, serpentIV))