sha1: Add new module

SHA1 hasher. Needed by websocket support that is coming soon.

Using either libmd or openssl to do the actual hashing.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/sha1_md.cc b/src/sha1_md.cc
new file mode 100644
index 0000000..274eb60
--- /dev/null
+++ b/src/sha1_md.cc
@@ -0,0 +1,16 @@
+#include "sha1.hh"
+
+#include <sha1.h>
+
+namespace sha1 {
+
+std::array<uint8_t, 20> hash(std::span<uint8_t const> input) {
+  std::array<uint8_t, 20> ret;
+  SHA1_CTX ctx;
+  SHA1Init(&ctx);
+  SHA1Update(&ctx, input.data(), input.size());
+  SHA1Final(ret.data(), &ctx);
+  return ret;
+}
+
+}  // namespace sha1