1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstdcrypto/sha1_final.c b/src/libstdcrypto/sha1_final.c
new file mode 100644
index 0000000..4af2efb
--- /dev/null
+++ b/src/libstdcrypto/sha1_final.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/uint32.h>
+#include <skalibs/sha1.h>
+#include "sha1-internal.h"
+
+void sha1_final (SHA1Schedule_ref ctx, char *digest)
+{
+  char pack[8] ;
+  register unsigned int i = 0 ;
+  uint32_pack_big(pack, ctx->bits[1]) ;
+  uint32_pack_big(pack+4, ctx->bits[0]) ;
+  sha1_feed(ctx, 0x80) ;
+  while (ctx->b != 56) sha1_feed(ctx, 0) ;
+  sha1_update(ctx, pack, 8) ;
+  for (; i < 5 ; i++)
+    uint32_pack_big(digest + (i<<2), ctx->buf[i]) ;
+}