ptls_fusion_quiclb

include/picotls/fusion.h

diff --git a/include/picotls/fusion.h b/include/picotls/fusion.h
index 10e58c6..8aa0712 100644
--- a/include/picotls/fusion.h
+++ b/include/picotls/fusion.h
@@ -103,6 +103,8 @@
 extern ptls_aead_algorithm_t ptls_fusion_aes128gcm, ptls_fusion_aes256gcm;
 extern ptls_aead_algorithm_t ptls_non_temporal_aes128gcm, ptls_non_temporal_aes256gcm;
 
+extern ptls_cipher_algorithm_t ptls_fusion_quiclb;
+
 /**
  * Returns a boolean indicating if fusion can be used.
  */

lib/fusion.c

diff --git a/lib/fusion.c b/lib/fusion.c
index 35fe579..370ce15 100644
--- a/lib/fusion.c
+++ b/lib/fusion.c
@@ -47,6 +47,7 @@
 #include <wmmintrin.h>
 #include "picotls.h"
 #include "picotls/fusion.h"
+#include "./quiclb-impl.h"
 
 #if defined(__clang__)
 #if __has_feature(address_sanitizer)
@@ -2178,6 +2179,57 @@
                                                      sizeof(struct aesgcm_context),
                                                      non_temporal_aes256gcm_setup};
 
+struct fusion_quiclb_context {
+    ptls_cipher_context_t super;
+    ptls_fusion_aesecb_context_t aesecb;
+};
+
+static void fusion_quiclb_dispose(ptls_cipher_context_t *_ctx)
+{
+    struct fusion_quiclb_context *ctx = (struct fusion_quiclb_context *)_ctx;
+    ptls_fusion_aesecb_dispose(&ctx->aesecb);
+}
+
+static inline void fusion_quiclb_aes(void *aesecb, union picotls_quiclb_block *block)
+{
+    block->m128 = aesecb_encrypt(aesecb, block->m128);
+}
+
+static void fusion_quiclb_encrypt(ptls_cipher_context_t *_ctx, void *output, const void *input, size_t len)
+{
+    struct fusion_quiclb_context *ctx = (struct fusion_quiclb_context *)_ctx;
+    return picotls_quiclb_transform(fusion_quiclb_aes, &ctx->aesecb, output, input, len, 1);
+}
+
+static void fusion_quiclb_decrypt(ptls_cipher_context_t *_ctx, void *output, const void *input, size_t len)
+{
+    struct fusion_quiclb_context *ctx = (struct fusion_quiclb_context *)_ctx;
+    return picotls_quiclb_transform(fusion_quiclb_aes, &ctx->aesecb, output, input, len, 0);
+}
+
+static int fusion_quiclb_setup_crypto(ptls_cipher_context_t *_ctx, int is_enc, const void *key)
+{
+    struct fusion_quiclb_context *ctx = (struct fusion_quiclb_context *)_ctx;
+
+    *ctx = (struct fusion_quiclb_context){
+        .super.do_dispose = fusion_quiclb_dispose,
+        .super.do_init = picotls_quiclb_do_init,
+        .super.do_transform = is_enc ? fusion_quiclb_encrypt : fusion_quiclb_decrypt,
+    };
+    ptls_fusion_aesecb_init(&ctx->aesecb, 1, key, PTLS_AES128_KEY_SIZE, 0);
+
+    return 0;
+}
+
+ptls_cipher_algorithm_t ptls_fusion_quiclb = {
+    .name = "QUICLB",
+    .key_size = PTLS_QUICLB_KEY_SIZE,
+    .block_size = 8,
+    .iv_size = 0,
+    .context_size = sizeof(struct fusion_quiclb_context),
+    .setup_crypto = fusion_quiclb_setup_crypto,
+};
+
 #ifdef _WINDOWS
 /**
  * ptls_fusion_is_supported_by_cpu: