Move SHA1 computation from render/glyph.c to os/

Signed-off-by: Julien Cristau <jcristau@debian.org>
Reviewed-by: Rémi Cardona <remi@gentoo.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/include/xsha1.h b/include/xsha1.h
new file mode 100644
index 000000000..aab71067a
--- /dev/null
+++ b/include/xsha1.h
@@ -0,0 +1,19 @@
+#ifndef XSHA1_H
+#define XSHA1_H
+
+/* Initialize SHA1 computation.  Returns NULL on error. */
+void *x_sha1_init(void);
+
+/*
+ * Add some data to be hashed.  ctx is the value returned by x_sha1_init()
+ * Returns 0 on error, 1 on success.
+ */
+int x_sha1_update(void *ctx, void *data, int size);
+
+/*
+ * Place the hash in result, and free ctx.
+ * Returns 0 on error, 1 on success. 
+ */
+int x_sha1_final(void *ctx, unsigned char result[20]);
+
+#endif