1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/src/github.com/spacemonkeygo/openssl/digest.go b/vendor/src/github.com/spacemonkeygo/openssl/digest.go
new file mode 100644
index 00000000000..44d4d001b13
--- /dev/null
+++ b/vendor/src/github.com/spacemonkeygo/openssl/digest.go
@@ -0,0 +1,53 @@
+// Copyright (C) 2015 Space Monkey, Inc.
+//
+// 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.
+
+// +build cgo
+
+package openssl
+
+// #include <openssl/evp.h>
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+// Digest represents and openssl message digest.
+type Digest struct {
+	ptr *C.EVP_MD
+}
+
+// GetDigestByName returns the Digest with the name or nil and an error if the
+// digest was not found.
+func GetDigestByName(name string) (*Digest, error) {
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+	p := C.EVP_get_digestbyname(cname)
+	if p == nil {
+		return nil, fmt.Errorf("Digest %v not found", name)
+	}
+	// we can consider digests to use static mem; don't need to free
+	return &Digest{ptr: p}, nil
+}
+
+// GetDigestByName returns the Digest with the NID or nil and an error if the
+// digest was not found.
+func GetDigestByNid(nid NID) (*Digest, error) {
+	sn, err := Nid2ShortName(nid)
+	if err != nil {
+		return nil, err
+	}
+	return GetDigestByName(sn)
+}