1 files changed, 70 insertions, 0 deletions
diff --git a/src/util/hash/sha.h b/src/util/hash/sha.h
new file mode 100644
index 000000000..4f596234c
--- /dev/null
+++ b/src/util/hash/sha.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#ifndef INCLUDE_hash_sha_h__
+#define INCLUDE_hash_sha_h__
+
+#include "git2_util.h"
+
+typedef struct git_hash_sha1_ctx git_hash_sha1_ctx;
+typedef struct git_hash_sha256_ctx git_hash_sha256_ctx;
+
+#if defined(GIT_SHA1_COMMON_CRYPTO) || defined(GIT_SHA256_COMMON_CRYPTO)
+# include "common_crypto.h"
+#endif
+
+#if defined(GIT_SHA1_OPENSSL) || defined(GIT_SHA256_OPENSSL)
+# include "openssl.h"
+#endif
+
+#if defined(GIT_SHA1_WIN32) || defined(GIT_SHA256_WIN32)
+# include "win32.h"
+#endif
+
+#if defined(GIT_SHA1_MBEDTLS) || defined(GIT_SHA256_MBEDTLS)
+# include "mbedtls.h"
+#endif
+
+#if defined(GIT_SHA1_COLLISIONDETECT)
+# include "collisiondetect.h"
+#endif
+
+#if defined(GIT_SHA256_BUILTIN)
+# include "builtin.h"
+#endif
+
+/*
+ * SHA1
+ */
+
+#define GIT_HASH_SHA1_SIZE 20
+
+int git_hash_sha1_global_init(void);
+
+int git_hash_sha1_ctx_init(git_hash_sha1_ctx *ctx);
+void git_hash_sha1_ctx_cleanup(git_hash_sha1_ctx *ctx);
+
+int git_hash_sha1_init(git_hash_sha1_ctx *c);
+int git_hash_sha1_update(git_hash_sha1_ctx *c, const void *data, size_t len);
+int git_hash_sha1_final(unsigned char *out, git_hash_sha1_ctx *c);
+
+/*
+ * SHA256
+ */
+
+#define GIT_HASH_SHA256_SIZE 32
+
+int git_hash_sha256_global_init(void);
+
+int git_hash_sha256_ctx_init(git_hash_sha256_ctx *ctx);
+void git_hash_sha256_ctx_cleanup(git_hash_sha256_ctx *ctx);
+
+int git_hash_sha256_init(git_hash_sha256_ctx *c);
+int git_hash_sha256_update(git_hash_sha256_ctx *c, const void *data, size_t len);
+int git_hash_sha256_final(unsigned char *out, git_hash_sha256_ctx *c);
+
+#endif