6 files changed, 13 insertions, 13 deletions
diff --git a/cmd/tmp/submit/main.go b/cmd/tmp/submit/main.go
index e688284..ff7a353 100644
--- a/cmd/tmp/submit/main.go
+++ b/cmd/tmp/submit/main.go
@@ -15,7 +15,7 @@ import (
 
 var (
 	shardHint  = flag.Uint64("shard_hint", 0, "shard hint (decimal)")
-	preimage   = flag.String("preimage", "", "preimage (hex)")
+	message    = flag.String("message", "", "message (hex)")
 	sk         = flag.String("sk", "", "secret key (hex)")
 	domainHint = flag.String("domain_hint", "example.com", "domain hint (string)")
 	base_url   = flag.String("base_url", "localhost:6965/testonly", "base url (string)")
@@ -29,8 +29,8 @@ func main() {
 	mustDecodeHex(*sk, priv[:])
 
 	var p types.Hash
-	if *preimage != "" {
-		mustDecodeHex(*preimage, p[:])
+	if *message != "" {
+		mustDecodeHex(*message, p[:])
 	} else {
 		mustPutRandom(p[:])
 	}
@@ -41,7 +41,7 @@ func main() {
 	}
 	sig := ed25519.Sign(priv, msg.ToBinary())
 
-	fmt.Printf("echo \"shard_hint=%d\npreimage=%x\nsignature=%x\nverification_key=%x\ndomain_hint=%s\" | curl --data-binary @- %s/sigsum/v0/add-leaf\n",
+	fmt.Printf("echo \"shard_hint=%d\nmessage=%x\nsignature=%x\nverification_key=%x\ndomain_hint=%s\" | curl --data-binary @- %s/sigsum/v0/add-leaf\n",
 		*shardHint,
 		p[:],
 		sig,
diff --git a/integration/test.sh b/integration/test.sh
index 0a5dd78..7ba9dc9 100755
--- a/integration/test.sh
+++ b/integration/test.sh
@@ -344,8 +344,8 @@ function test_get_leaf() {
 		return
 	fi
 
-	preimage=$(openssl dgst -binary <(echo $1) | base16)
-	checksum=$(openssl dgst -binary <(echo $preimage | base16 -d) | base16)
+	message=$(openssl dgst -binary <(echo $1) | base16)
+	checksum=$(openssl dgst -binary <(echo $message | base16 -d) | base16)
 	if [[ $(value_of checksum) != $checksum ]]; then
 		fail "$desc: wrong checksum $(value_of checksum)"
 		return
@@ -362,7 +362,7 @@ function test_get_leaf() {
 function test_add_leaf() {
 	desc="POST add-leaf (data \"$1\")"
 	echo "shard_hint=$ssrv_shard_start" > $log_dir/req
-	echo "preimage=$(openssl dgst -binary <(echo $1) | base16)" >> $log_dir/req
+	echo "message=$(openssl dgst -binary <(echo $1) | base16)" >> $log_dir/req
 	echo "signature=$(echo $1 |
 		sigsum-debug leaf sign -k $cli_priv -h $ssrv_shard_start)" >> $log_dir/req
 	echo "verification_key=$cli_pub" >> $log_dir/req
diff --git a/pkg/db/trillian.go b/pkg/db/trillian.go
index 34501b9..97f1305 100644
--- a/pkg/db/trillian.go
+++ b/pkg/db/trillian.go
@@ -26,7 +26,7 @@ func (c *TrillianClient) AddLeaf(ctx context.Context, req *requests.Leaf) error
 	leaf := types.Leaf{
 		Statement: types.Statement{
 			ShardHint: req.ShardHint,
-			Checksum:  *types.HashFn(req.Preimage[:]),
+			Checksum:  *types.HashFn(req.Message[:]),
 		},
 		Signature: req.Signature,
 		KeyHash:   *types.HashFn(req.VerificationKey[:]),
diff --git a/pkg/db/trillian_test.go b/pkg/db/trillian_test.go
index 0010e32..9a390a1 100644
--- a/pkg/db/trillian_test.go
+++ b/pkg/db/trillian_test.go
@@ -21,7 +21,7 @@ import (
 func TestAddLeaf(t *testing.T) {
 	req := &requests.Leaf{
 		ShardHint:       0,
-		Preimage:        types.Hash{},
+		Message:         types.Hash{},
 		Signature:       types.Signature{},
 		VerificationKey: types.PublicKey{},
 		DomainHint:      "example.com",
diff --git a/pkg/instance/handler_test.go b/pkg/instance/handler_test.go
index b3af666..0b81f6c 100644
--- a/pkg/instance/handler_test.go
+++ b/pkg/instance/handler_test.go
@@ -662,7 +662,7 @@ func mustHandle(t *testing.T, i Instance, e types.Endpoint) Handler {
 	return Handler{}
 }
 
-func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig bool) io.Reader {
+func mustLeafBuffer(t *testing.T, shardHint uint64, message types.Hash, wantSig bool) io.Reader {
 	t.Helper()
 
 	vk, sk, err := ed25519.GenerateKey(rand.Reader)
@@ -671,7 +671,7 @@ func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig
 	}
 	msg := types.Statement{
 		ShardHint: shardHint,
-		Checksum:  *types.HashFn(preimage[:]),
+		Checksum:  *types.HashFn(message[:]),
 	}
 	sig := ed25519.Sign(sk, msg.ToBinary())
 	if !wantSig {
@@ -680,7 +680,7 @@ func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig
 	return bytes.NewBufferString(fmt.Sprintf(
 		"%s=%d\n"+"%s=%x\n"+"%s=%x\n"+"%s=%x\n"+"%s=%s\n",
 		"shard_hint", shardHint,
-		"preimage", preimage[:],
+		"message", message[:],
 		"signature", sig,
 		"verification_key", vk,
 		"domain_hint", "example.com",
diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index 77f2e5b..18255a1 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -63,7 +63,7 @@ func (i *Instance) leafRequestFromHTTP(ctx context.Context, r *http.Request) (*r
 	}
 	stmt := types.Statement{
 		ShardHint: req.ShardHint,
-		Checksum:  *types.HashFn(req.Preimage[:]),
+		Checksum:  *types.HashFn(req.Message[:]),
 	}
 	if !stmt.Verify(&req.VerificationKey, &req.Signature) {
 		return nil, fmt.Errorf("invalid signature")