1 files changed, 58 insertions, 0 deletions

diff --git a/openbsd-compat/sha1.h b/openbsd-compat/sha1.h
new file mode 100644
index 000000000..327d94cd5
--- /dev/null
+++ b/openbsd-compat/sha1.h
@@ -0,0 +1,58 @@
+/*      $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $       */
+
+/*
+ * SHA-1 in C
+ * By Steve Reid <steve@edmweb.com>
+ * 100% Public Domain
+ */
+
+#ifndef _SHA1_H
+#define _SHA1_H
+
+#ifndef WITH_OPENSSL
+
+#define SHA1_BLOCK_LENGTH               64
+#define SHA1_DIGEST_LENGTH              20
+#define SHA1_DIGEST_STRING_LENGTH       (SHA1_DIGEST_LENGTH * 2 + 1)
+
+typedef struct {
+    u_int32_t state[5];
+    u_int64_t count;
+    u_int8_t buffer[SHA1_BLOCK_LENGTH];
+} SHA1_CTX;
+
+void SHA1Init(SHA1_CTX *);
+void SHA1Pad(SHA1_CTX *);
+void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH])
+        __attribute__((__bounded__(__minbytes__,1,5)))
+        __attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
+void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t)
+        __attribute__((__bounded__(__string__,2,3)));
+void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *)
+        __attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
+char *SHA1End(SHA1_CTX *, char *)
+        __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1File(const char *, char *)
+        __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1FileChunk(const char *, char *, off_t, off_t)
+        __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
+char *SHA1Data(const u_int8_t *, size_t, char *)
+        __attribute__((__bounded__(__string__,1,2)))
+        __attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH)));
+
+#define HTONDIGEST(x) do {                                              \
+        x[0] = htonl(x[0]);                                             \
+        x[1] = htonl(x[1]);                                             \
+        x[2] = htonl(x[2]);                                             \
+        x[3] = htonl(x[3]);                                             \
+        x[4] = htonl(x[4]); } while (0)
+
+#define NTOHDIGEST(x) do {                                              \
+        x[0] = ntohl(x[0]);                                             \
+        x[1] = ntohl(x[1]);                                             \
+        x[2] = ntohl(x[2]);                                             \
+        x[3] = ntohl(x[3]);                                             \
+        x[4] = ntohl(x[4]); } while (0)
+
+#endif /* !WITH_OPENSSL */
+#endif /* _SHA1_H */