Make use of HashFromBytes everywhere

It feels a bit silly to have a function and to not make use of it.

internal/crypto/crypto.go

@@ -17,8 +17,7 @@ import (
 
 // HashFromBytes returns a SHA-256 checksum of the input.
 func HashFromBytes(value []byte) string {
-	sum := sha256.Sum256(value)
-	return fmt.Sprintf("%x", sum)
+	return fmt.Sprintf("%x", sha256.Sum256(value))
 }
 
 // Hash returns a SHA-256 checksum of a string.

internal/ui/static/static.go

@@ -5,10 +5,11 @@ package static // import "miniflux.app/v2/internal/ui/static"
 
 import (
 	"bytes"
-	"crypto/sha256"
 	"embed"
 	"fmt"
 
+	"miniflux.app/v2/internal/crypto"
+
 	"github.com/tdewolff/minify/v2"
 	"github.com/tdewolff/minify/v2/css"
 	"github.com/tdewolff/minify/v2/js"
@@ -48,7 +49,7 @@ func CalculateBinaryFileChecksums() error {
 			return err
 		}
 
-		binaryFileChecksums[dirEntry.Name()] = fmt.Sprintf("%x", sha256.Sum256(data))
+		binaryFileChecksums[dirEntry.Name()] = crypto.HashFromBytes(data)
 	}
 
 	return nil
@@ -102,7 +103,7 @@ func GenerateStylesheetsBundles() error {
 		}
 
 		StylesheetBundles[bundle] = minifiedData
-		StylesheetBundleChecksums[bundle] = fmt.Sprintf("%x", sha256.Sum256(minifiedData))
+		StylesheetBundleChecksums[bundle] = crypto.HashFromBytes(minifiedData)
 	}
 
 	return nil
@@ -166,7 +167,7 @@ func GenerateJavascriptBundles() error {
 		}
 
 		JavascriptBundles[bundle] = minifiedData
-		JavascriptBundleChecksums[bundle] = fmt.Sprintf("%x", sha256.Sum256(minifiedData))
+		JavascriptBundleChecksums[bundle] = crypto.HashFromBytes(minifiedData)
 	}
 
 	return nil