diff --git a/build/external/patches/quicly_0.0.6-vpp/0001-Add-function-ptr-in-ptls-ctx-for-aead_encrypt.patch b/build/external/patches/quicly_0.0.6-vpp/0001-Add-function-ptr-in-ptls-ctx-for-aead_encrypt.patch
new file mode 100644
index 0000000..80f3bcb
--- /dev/null
+++ b/build/external/patches/quicly_0.0.6-vpp/0001-Add-function-ptr-in-ptls-ctx-for-aead_encrypt.patch
@@ -0,0 +1,33 @@
+diff --git a/deps/picotls/include/picotls.h b/deps/picotls/include/picotls.h
+index 06d62f9..de33b86 100644
+--- a/deps/picotls/include/picotls.h
++++ b/deps/picotls/include/picotls.h
+@@ -276,6 +276,8 @@ typedef struct st_ptls_aead_context_t {
+     size_t (*do_encrypt_final)(struct st_ptls_aead_context_t *ctx, void *output);
+     size_t (*do_decrypt)(struct st_ptls_aead_context_t *ctx, void *output, const void *input, size_t inlen, const void *iv,
+                          const void *aad, size_t aadlen);
++    size_t (*do_encrypt)(struct st_ptls_aead_context_t *ctx, void *output, const void *input, size_t inlen, uint64_t seq,
++                         const void *iv, const void *aad, size_t aadlen);
+ } ptls_aead_context_t;
+ 
+ /**
+diff --git a/deps/picotls/lib/picotls.c b/deps/picotls/lib/picotls.c
+index 70d2fef..f98f7b4 100644
+--- a/deps/picotls/lib/picotls.c
++++ b/deps/picotls/lib/picotls.c
+@@ -4890,6 +4890,13 @@ size_t ptls_aead_encrypt(ptls_aead_context_t *ctx, void *output, const void *inp
+ {
+     size_t off = 0;
+ 
++    if(ctx->do_encrypt)
++    {
++        uint8_t iv[PTLS_MAX_IV_SIZE];
++        ptls_aead__build_iv(ctx, iv, seq);
++        return ctx->do_encrypt(ctx, output, input, inlen, seq, iv, aad, aadlen);
++    }
++
+     ptls_aead_encrypt_init(ctx, seq, aad, aadlen);
+     off += ptls_aead_encrypt_update(ctx, ((uint8_t *)output) + off, input, inlen);
+     off += ptls_aead_encrypt_final(ctx, ((uint8_t *)output) + off);
+
+
diff --git a/build/external/patches/quicly_0.0.6-vpp/0001-cmake-install.patch b/build/external/patches/quicly_0.0.6-vpp/0001-cmake-install.patch
new file mode 100644
index 0000000..0ca7d29
--- /dev/null
+++ b/build/external/patches/quicly_0.0.6-vpp/0001-cmake-install.patch
@@ -0,0 +1,60 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f5478d3..156df4c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -65,6 +65,8 @@ IF (WITH_DTRACE)
+     ENDIF ()
+ ENDIF ()
+ 
++SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
++
+ ADD_LIBRARY(quicly ${QUICLY_LIBRARY_FILES})
+ 
+ ADD_CUSTOM_COMMAND(
+@@ -84,6 +86,16 @@ TARGET_LINK_LIBRARIES(examples-echo quicly ${OPENSSL_LIBRARIES} ${CMAKE_DL_LIBS}
+ 
+ ADD_EXECUTABLE(udpfw t/udpfw.c)
+ 
++INSTALL (
++    DIRECTORY ${CMAKE_SOURCE_DIR}/include/
++    DESTINATION include
++    FILES_MATCHING PATTERN "*.h")
++
++INSTALL(TARGETS quicly
++        RUNTIME DESTINATION bin
++        LIBRARY DESTINATION lib
++        ARCHIVE DESTINATION lib)
++
+ ADD_CUSTOM_TARGET(check env BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} WITH_DTRACE=${WITH_DTRACE} prove --exec "sh -c" -v ${CMAKE_CURRENT_BINARY_DIR}/*.t t/*.t
+     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+     DEPENDS cli test.t)
+Submodule deps/picotls contains untracked content
+Submodule deps/picotls contains modified content
+diff --git a/deps/picotls/CMakeLists.txt b/deps/picotls/CMakeLists.txt
+index 874b9be..14411e2 100644
+--- a/deps/picotls/CMakeLists.txt
++++ b/deps/picotls/CMakeLists.txt
+@@ -12,6 +12,7 @@ IF (WITH_DTRACE)
+     MESSAGE(STATUS "Enabling USDT support")
+ ENDIF ()
+ 
++SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
+ SET(CMAKE_C_FLAGS "-std=c99 -Wall -O2 -g ${CC_WARNING_FLAGS} ${CMAKE_C_FLAGS}")
+ INCLUDE_DIRECTORIES(
+     deps/cifra/src/ext
+@@ -131,6 +132,15 @@ ELSE ()
+     MESSAGE(WARNING "Disabling OpenSSL support (requires 1.0.1 or newer)")
+ ENDIF ()
+ 
++INSTALL (DIRECTORY ${CMAKE_SOURCE_DIR}/include/
++    DESTINATION include
++    FILES_MATCHING PATTERN "*.h")
++
++INSTALL(TARGETS picotls-core picotls-openssl
++        RUNTIME DESTINATION bin
++        LIBRARY DESTINATION lib
++        ARCHIVE DESTINATION lib)
++
+ ADD_CUSTOM_TARGET(check env BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} prove --exec '' -v ${CMAKE_CURRENT_BINARY_DIR}/*.t t/*.t WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DEPENDS ${TEST_EXES} cli)
+ 
+ IF (CMAKE_SYSTEM_NAME STREQUAL "Linux")