Updated comments and fixed a bug in the BLAKE2 algorithm.

algorithms/argon2/Hash.go

@@ -19,6 +19,6 @@ func (algorithm Algorithm) Hash(data []byte) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	// Hash
+	// Return Hash
 	return fmt.Sprintf("$argon2id$v=%d$m=%d,t=%d,p=%d$%s$%s", argon2.Version, algorithm.memory, algorithm.time, algorithm.threads, base64.RawStdEncoding.EncodeToString(salt), base64.RawStdEncoding.EncodeToString(argon2.IDKey(data, salt, algorithm.time, algorithm.memory, algorithm.threads, algorithm.keyLen))), err
 }

algorithms/blake2/Algorithm.go

@@ -9,6 +9,6 @@ type Algorithm struct {
 func New(size int) Algorithm {
 	// Return Algorithm
 	return Algorithm{
-		size: size,
+		size: size / 2,
 	}
 }

algorithms/sha256/CheckHash.go

@@ -23,6 +23,6 @@ func (Algorithm) CheckHash(data []byte, hashToCheck string) (bool, error) {
 	if err != nil {
 		return false, err
 	}
-	// Return Hash
+	// Return Match
 	return subtle.ConstantTimeCompare(hasher.Sum(nil), decodedHashToCheck) == 1, err
 }

algorithms/sha512/CheckHash.go

@@ -23,6 +23,6 @@ func (Algorithm) CheckHash(data []byte, hashToCheck string) (bool, error) {
 	if err != nil {
 		return false, err
 	}
-	// Return Hash
+	// Return Match
 	return subtle.ConstantTimeCompare(hasher.Sum(nil), decodedHashToCheck) == 1, err
 }