diff options
Diffstat (limited to 'utils_ct.go')
-rw-r--r-- | utils_ct.go | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/utils_ct.go b/utils_ct.go new file mode 100644 index 0000000..3c40ad0 --- /dev/null +++ b/utils_ct.go @@ -0,0 +1,47 @@ +package main + +import ( + "crypto/sha256" + "fmt" + "os" + + "gitlab.torproject.org/rgdd/ct/pkg/metadata" +) + +// logs select logs that count towards CT-compliance checks. Logs that don't +// have a description are skipped after printing a warning. +func logs(md metadata.Metadata) (logs []metadata.Log) { + for _, operators := range md.Operators { + for _, log := range operators.Logs { + if log.Description == nil { + fmt.Fprintf(os.Stderr, "WARNING: skipping log without description") + continue + } + if log.State == nil { + continue // skip logs with unknown states + } + if log.State.Name == metadata.LogStatePending { + continue // pending logs do not count towards CT-compliance + } + if log.State.Name == metadata.LogStateRetired { + continue // retired logs are not necessarily reachable + } + if log.State.Name == metadata.LogStateRejected { + continue // rejected logs do not count towards CT-compliance + } + + logs = append(logs, log) + } + } + return +} + +// proof formats hashes so that they can be passed to the merkle package +func proof(hashes [][]byte) (p [][sha256.Size]byte) { + for _, hash := range hashes { + var h [sha256.Size]byte + copy(h[:], hash) + p = append(p, h) + } + return +} |