1 files changed, 40 insertions, 0 deletions
diff --git a/src/lib/crypto/yarrow/yhash.h b/src/lib/crypto/yarrow/yhash.h
new file mode 100644
index 0000000000..9ad6ed7fac
--- /dev/null
+++ b/src/lib/crypto/yarrow/yhash.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C; c-file-style: "bsd" -*- */
+
+#ifndef YHASH_H
+#define YHASH_H
+
+/* hash function interface */
+
+/* default to SHA1 for yarrow 160 */
+
+#if !defined(YARROW_HASH_SHA1) && !defined(YARROW_HASH_MD5)
+#   define YARROW_HASH_SHA1
+#endif
+
+#if defined(YARROW_HASH_SHA1)
+
+/* For yarrow160 use SHA1 */
+
+#include "openssl/sha.h"
+
+#define HASH_CTX SHA_CTX
+#define HASH_Init(x) SHA1_Init(x)
+#define HASH_Update(x, buf, sz) SHA1_Update(x, (void*)buf, sz)
+#define HASH_Final(x, digest) SHA1_Final(digest, x)
+
+#define HASH_DIGEST_SIZE SHA_DIGEST_LENGTH
+
+#elif defined(YARROW_HASH_MD5)
+
+#include "openssl/md5.h"
+
+#define HASH_CTX MD5_CTX
+#define HASH_Init(x) MD5_Init(x)
+#define HASH_Update(x, buf, sz) MD5_Update(x, (void*)buf, sz)
+#define HASH_Final(x, digest) MD5_Final(digest, x)
+
+#define HASH_DIGEST_SIZE MD5_DIGEST_LENGTH
+
+#endif
+
+#endif /* YHASH_H */