build: separate compiler and libs

compiler/internal/lib/crypto/md5/md5.go

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package md5
+
+// llgo:skipall
+import (
+	"crypto"
+	"hash"
+	"unsafe"
+
+	"github.com/goplus/llgo/c"
+	"github.com/goplus/llgo/c/openssl"
+)
+
+func init() {
+	crypto.RegisterHash(crypto.MD5, New)
+}
+
+// The blocksize of MD5 in bytes.
+const BlockSize = 64
+
+// The size of an MD5 checksum in bytes.
+const Size = 16
+
+type digest struct {
+	ctx openssl.MD5_CTX
+}
+
+func (d *digest) Size() int { return Size }
+
+func (d *digest) BlockSize() int { return BlockSize }
+
+func (d *digest) Reset() {
+	d.ctx.Init()
+}
+
+func (d *digest) Write(p []byte) (nn int, err error) {
+	d.ctx.UpdateBytes(p)
+	return len(p), nil
+}
+
+func (d *digest) Sum(in []byte) []byte {
+	hash := (*[Size]byte)(c.Alloca(Size))
+	d.ctx.Final((*byte)(unsafe.Pointer(hash)))
+	return append(in, hash[:]...)
+}
+
+func New() hash.Hash {
+	d := new(digest)
+	d.ctx.Init()
+	return d
+}
+
+func Sum(data []byte) (ret [Size]byte) {
+	openssl.MD5Bytes(data, &ret[0])
+	return
+}