From 3833e32b70f10e54bba47c89f4aea78e828ea5b0 Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Tue, 5 Sep 2023 11:34:21 +0530
Subject: Adding Blake2 Hashing with /hasher endpoint

---
 hasher/blake2-hash_generator.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 hasher/blake2-hash_generator.go

(limited to 'hasher')

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
+}
-- 
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