Add BLAKE2X

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 25 insertions, 0 deletions

diff --git a/libblake_blake2xs_init.c b/libblake_blake2xs_init.c
new file mode 100644
index 0000000..d2d5834
--- /dev/null
+++ b/libblake_blake2xs_init.c
@@ -0,0 +1,25 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+void
+libblake_blake2xs_init(struct libblake_blake2xs_state *state, const struct libblake_blake2xs_params *params, const unsigned char *key)
+{
+	libblake_internal_blake2xs_init0(state, params);
+
+	memcpy(&state->xof_params, params, sizeof(state->xof_params));
+	state->xof_params.digest_len = 32;
+	state->xof_params.key_len = 0;
+	state->xof_params.fanout = 0;
+	state->xof_params.depth = 0;
+	state->xof_params.leaf_len = 32;
+	state->xof_params.xof_len = params->xof_len;
+	state->xof_params.node_depth = 0;
+	state->xof_params.inner_len = 32;
+
+	memset(&state->intermediate, 0, sizeof(state->intermediate));
+
+	if (params->key_len) {
+		state->b2s.t[0] = 32;
+		libblake_internal_blake2s_compress(&state->b2s, key);
+	}
+}