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fix: support Linux v11 cipher prefix for Chromium decryption (#571)

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This commit is contained in:
Roger
2026-04-13 22:12:40 +08:00
committed by GitHub
parent 370c5882c4
commit eb58ebbbf4
8 changed files with 105 additions and 7 deletions
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crypto/version.go
+7 -1
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@@ -7,6 +7,10 @@ const (
// CipherV10 is Chrome 80+ encryption (AES-GCM on Windows, AES-CBC on macOS/Linux).
CipherV10 CipherVersion = "v10"
// CipherV11 is the Linux-only AES-CBC variant where the key comes from
// libsecret / kwallet. Same algorithm as CipherV10; only the key source differs.
CipherV11 CipherVersion = "v11"
// CipherV20 is Chrome 127+ App-Bound Encryption.
CipherV20 CipherVersion = "v20"
@@ -26,6 +30,8 @@ func DetectVersion(ciphertext []byte) CipherVersion {
switch prefix {
case "v10":
return CipherV10
case "v11":
return CipherV11
case "v20":
return CipherV20
default:
@@ -37,7 +43,7 @@ func DetectVersion(ciphertext []byte) CipherVersion {
// Returns the ciphertext unchanged if no known prefix is found.
func stripPrefix(ciphertext []byte) []byte {
ver := DetectVersion(ciphertext)
if ver == CipherV10 || ver == CipherV20 {
if ver == CipherV10 || ver == CipherV11 || ver == CipherV20 {
return ciphertext[versionPrefixLen:]
}
return ciphertext