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-rw-r--r--internal/configfile/feature_flags.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/internal/configfile/feature_flags.go b/internal/configfile/feature_flags.go
index 8d4aa6e..2d609f2 100644
--- a/internal/configfile/feature_flags.go
+++ b/internal/configfile/feature_flags.go
@@ -19,6 +19,12 @@ const (
FlagAESSIV
// FlagRaw64 enables raw (unpadded) base64 encoding for file names
FlagRaw64
+ // FlagHKDF enables HKDF-derived keys for use with GCM, EME and SIV
+ // instead of directly using the master key (GCM and EME) or the SHA-512
+ // hashed master key (SIV).
+ // Note that this flag does not change the password hashing algorithm
+ // which always is scrypt.
+ FlagHKDF
)
// knownFlags stores the known feature flags and their string representation
@@ -30,6 +36,7 @@ var knownFlags = map[flagIota]string{
FlagLongNames: "LongNames",
FlagAESSIV: "AESSIV",
FlagRaw64: "Raw64",
+ FlagHKDF: "HKDF",
}
// Filesystems that do not have these feature flags set are deprecated.