Adding Blake2 Hashing with /hasher endpoint

1 files changed, 30 insertions, 0 deletions

diff --git a/hasher/blake2-hash_generator.go b/hasher/blake2-hash_generator.go
new file mode 100644
index 0000000..4d85a58
--- /dev/null
+++ b/hasher/blake2-hash_generator.go
@@ -0,0 +1,30 @@
+package hasher
+
+import (
+    "fmt"
+    "golang.org/x/crypto/blake2b"
+    "io"
+    "os"
+)
+
+func CalculateBLAKE2Hash(filePath string) (string, error) {
+    file, err := os.Open(filePath)
+    if err != nil {
+        return "", err
+    }
+    defer file.Close()
+
+    hash, err := blake2b.New256(nil)
+    if err != nil {
+        return "", err
+    }
+
+    _, err = io.Copy(hash, file)
+    if err != nil {
+        return "", err
+    }
+
+    hashBytes := hash.Sum(nil)
+    hashString := fmt.Sprintf("%x", hashBytes)
+    return hashString, nil
+}