1 files changed, 24 insertions, 0 deletions
diff --git a/algorithm_output_size.c b/algorithm_output_size.c
new file mode 100644
index 0000000..9089aa4
--- /dev/null
+++ b/algorithm_output_size.c
@@ -0,0 +1,24 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+/**
+ * Get the output size of an algorithm
+ * 
+ * @parma   algorithm  The hashing algorithm
+ * @return             The number of bytes in the output, zero on error
+ */
+size_t
+libsha2_algorithm_output_size(enum libsha2_algorithm algorithm)
+{
+	switch (algorithm) {
+	case LIBSHA2_224:     return 28;
+	case LIBSHA2_256:     return 32;
+	case LIBSHA2_384:     return 48;
+	case LIBSHA2_512:     return 64;
+	case LIBSHA2_512_224: return 28;
+	case LIBSHA2_512_256: return 32;
+	default:
+		return errno = EINVAL, 0;
+	}
+}