1 files changed, 61 insertions, 0 deletions
diff --git a/include/git2/transport.h b/include/git2/transport.h
index 7090698ac..39df479c7 100644
--- a/include/git2/transport.h
+++ b/include/git2/transport.h
@@ -20,6 +20,67 @@
  */
 GIT_BEGIN_DECL
 
+/**
+ * Type of SSH host fingerprint
+ */
+typedef enum {
+	/** MD5 is available */
+	GIT_CERT_SSH_MD5 = (1 << 0),
+	/** SHA-1 is available */
+	GIT_CERT_SSH_SHA1 = (1 << 1),
+} git_cert_ssh_t;
+
+/**
+ * Hostkey information taken from libssh2
+ */
+typedef struct {
+	/**
+	 * Type of certificate. Here to share the header with
+	 * `git_cert`.
+	 */
+	git_cert_t cert_type;
+        /**
+         * A hostkey type from libssh2, either
+         * `GIT_CERT_SSH_MD5` or `GIT_CERT_SSH_SHA1`
+         */
+	git_cert_ssh_t type;
+
+        /**
+         * Hostkey hash. If type has `GIT_CERT_SSH_MD5` set, this will
+         * have the MD5 hash of the hostkey.
+         */
+	unsigned char hash_md5[16];
+
+        /**
+         * Hostkey hash. If type has `GIT_CERT_SSH_SHA1` set, this will
+         * have the SHA-1 hash of the hostkey.
+         */
+        unsigned char hash_sha1[20];
+} git_cert_hostkey;
+
+/**
+ * X.509 certificate information
+ */
+typedef struct {
+	/**
+	 * Type of certificate. Here to share the header with
+	 * `git_cert`.
+	 */
+	git_cert_t cert_type;
+	/**
+	 * Pointer to the X.509 certificate data
+	 */
+	void *data;
+	/**
+	 * Length of the memory block pointed to by `data`.
+	 */
+	size_t len;
+} git_cert_x509;
+
+/*
+ *** Begin interface for credentials acquisition ***
+ */
+
 /** Authentication type requested */
 typedef enum {
 	/* git_cred_userpass_plaintext */