status-im/nimbus-eth2
2
0
Fork 0
mirror of https://github.com/status-im/nimbus-eth2.git synced 2025-01-11 14:54:12 +00:00
Code Issues Projects Releases Wiki Activity

Check iv length for decryption

Browse Source
This commit is contained in:
Zed 2020-05-27 16:05:32 +02:00 committed by zah
parent fd5478d550
commit c570abf602
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
beacon_chain/spec/keystore.nim
View File

@ -136,6 +136,9 @@ proc decryptKeystore*(data, passphrase: string): KsResult[seq[byte]] =
if decKey.len < saltSize: if decKey.len < saltSize:
return err "ks: decryption key must be at least 32 bytes" return err "ks: decryption key must be at least 32 bytes"
if iv.len < aes128.sizeBlock:
return err "ks: invalid iv"
let sum = shaChecksum(decKey.toOpenArray(16, 31), cipherMsg) let sum = shaChecksum(decKey.toOpenArray(16, 31), cipherMsg)
if sum != checksumMsg: if sum != checksumMsg:
return err "ks: invalid checksum" return err "ks: invalid checksum"