diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h b/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
new file mode 100644
index 000000000..427ae3749
--- /dev/null
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) Pavol Rusnak, SatoshiLabs
+ *
+ * Licensed under TREZOR License
+ * see LICENSE file for details
+ */
+
+#include "py/objstr.h"
+
+#include "trezor-crypto/blake2s.h"
+
+#define HASH_BLAKE2S_BLOCK_SIZE   BLAKE2S_BLOCKBYTES
+#define HASH_BLAKE2S_DIGEST_SIZE  BLAKE2S_OUTBYTES
+
+typedef struct _mp_obj_Blake2s_t {
+    mp_obj_base_t base;
+    BLAKE2S_CTX ctx;
+} mp_obj_Blake2s_t;
+
+STATIC mp_obj_t mod_TrezorCrypto_Blake2s_update(mp_obj_t self, mp_obj_t data);
+
+/// def trezor.crypto.hashlib.blake2s(data: bytes=None) -> Blake2s:
+///     '''
+///     Creates a hash context object.
+///     '''
+STATIC mp_obj_t mod_TrezorCrypto_Blake2s_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
+    mp_arg_check_num(n_args, n_kw, 0, 1, false);
+    mp_obj_Blake2s_t *o = m_new_obj(mp_obj_Blake2s_t);
+    o->base.type = type;
+    blake2s_Init(&(o->ctx), BLAKE2S_OUTBYTES);
+    // constructor called with bytes/str as first parameter
+    if (n_args == 1) {
+        mod_TrezorCrypto_Blake2s_update(MP_OBJ_FROM_PTR(o), args[0]);
+    }
+    return MP_OBJ_FROM_PTR(o);
+}
+
+/// def trezor.crypto.hashlib.Blake2s.update(self, data: bytes) -> None:
+///     '''
+///     Update the hash context with hashed data.
+///     '''
+STATIC mp_obj_t mod_TrezorCrypto_Blake2s_update(mp_obj_t self, mp_obj_t data) {
+    mp_obj_Blake2s_t *o = MP_OBJ_TO_PTR(self);
+    mp_buffer_info_t msg;
+    mp_get_buffer_raise(data, &msg, MP_BUFFER_READ);
+    if (msg.len > 0) {
+        blake2s_Update(&(o->ctx), msg.buf, msg.len);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Blake2s_update_obj, mod_TrezorCrypto_Blake2s_update);
+
+/// def trezor.crypto.hashlib.Blake2s.digest(self) -> bytes:
+///     '''
+///     Returns the digest of hashed data.
+///     '''
+STATIC mp_obj_t mod_TrezorCrypto_Blake2s_digest(mp_obj_t self) {
+    mp_obj_Blake2s_t *o = MP_OBJ_TO_PTR(self);
+    vstr_t vstr;
+    vstr_init_len(&vstr, HASH_BLAKE2S_DIGEST_SIZE);
+    BLAKE2S_CTX ctx;
+    memcpy(&ctx, &(o->ctx), sizeof(BLAKE2S_CTX));
+    blake2s_Final(&ctx, (uint8_t *)vstr.buf, BLAKE2S_OUTBYTES);
+    memset(&ctx, 0, sizeof(BLAKE2S_CTX));
+    return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Blake2s_digest_obj, mod_TrezorCrypto_Blake2s_digest);
+
+STATIC mp_obj_t mod_TrezorCrypto_Blake2s___del__(mp_obj_t self) {
+    mp_obj_Blake2s_t *o = MP_OBJ_TO_PTR(self);
+    memset(&(o->ctx), 0, sizeof(BLAKE2S_CTX));
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Blake2s___del___obj, mod_TrezorCrypto_Blake2s___del__);
+
+STATIC const mp_rom_map_elem_t mod_TrezorCrypto_Blake2s_locals_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&mod_TrezorCrypto_Blake2s_update_obj) },
+    { MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_TrezorCrypto_Blake2s_digest_obj) },
+    { MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mod_TrezorCrypto_Blake2s___del___obj) },
+    { MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(HASH_BLAKE2S_BLOCK_SIZE) },
+    { MP_ROM_QSTR(MP_QSTR_digest_size), MP_OBJ_NEW_SMALL_INT(HASH_BLAKE2S_DIGEST_SIZE) },
+};
+STATIC MP_DEFINE_CONST_DICT(mod_TrezorCrypto_Blake2s_locals_dict, mod_TrezorCrypto_Blake2s_locals_dict_table);
+
+STATIC const mp_obj_type_t mod_TrezorCrypto_Blake2s_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_Blake2s,
+    .make_new = mod_TrezorCrypto_Blake2s_make_new,
+    .locals_dict = (void*)&mod_TrezorCrypto_Blake2s_locals_dict,
+};
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h b/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
index 5f88a0c85..6b495fd9f 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
@@ -9,8 +9,8 @@
 
 #include "trezor-crypto/ripemd160.h"
 
-#define HASH_RIPEMD160_BLOCK_SIZE   64
-#define HASH_RIPEMD160_DIGEST_SIZE  20
+#define HASH_RIPEMD160_BLOCK_SIZE   RIPEMD160_BLOCK_LENGTH
+#define HASH_RIPEMD160_DIGEST_SIZE  RIPEMD160_DIGEST_LENGTH
 
 typedef struct _mp_obj_Ripemd160_t {
     mp_obj_base_t base;
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
index 4a5a4b52c..38cc3c4b6 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
@@ -9,8 +9,8 @@
 
 #include "trezor-crypto/sha2.h"
 
-#define HASH_SHA256_BLOCK_SIZE   64
-#define HASH_SHA256_DIGEST_SIZE  32
+#define HASH_SHA256_BLOCK_SIZE   SHA256_BLOCK_LENGTH
+#define HASH_SHA256_DIGEST_SIZE  SHA256_DIGEST_LENGTH
 
 typedef struct _mp_obj_Sha256_t {
     mp_obj_base_t base;
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
index 2a4026cbb..87ea285c9 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
@@ -10,7 +10,7 @@
 #include "trezor-crypto/sha3.h"
 
 #define HASH_SHA3_256_BLOCK_SIZE   64
-#define HASH_SHA3_256_DIGEST_SIZE  32
+#define HASH_SHA3_256_DIGEST_SIZE  sha3_256_hash_size
 
 typedef struct _mp_obj_Sha3_256_t {
     mp_obj_base_t base;
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
index 0a66705a3..4074e0210 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
@@ -10,7 +10,7 @@
 #include "trezor-crypto/sha3.h"
 
 #define HASH_SHA3_512_BLOCK_SIZE   128
-#define HASH_SHA3_512_DIGEST_SIZE  64
+#define HASH_SHA3_512_DIGEST_SIZE  sha3_512_hash_size
 
 typedef struct _mp_obj_Sha3_512_t {
     mp_obj_base_t base;
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
index 8de24f471..e8b24ff47 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
@@ -9,8 +9,8 @@
 
 #include "trezor-crypto/sha2.h"
 
-#define HASH_SHA512_BLOCK_SIZE   128
-#define HASH_SHA512_DIGEST_SIZE  64
+#define HASH_SHA512_BLOCK_SIZE   SHA512_BLOCK_LENGTH
+#define HASH_SHA512_DIGEST_SIZE  SHA512_DIGEST_LENGTH
 
 typedef struct _mp_obj_Sha512_t {
     mp_obj_base_t base;
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto.c b/extmod/modtrezorcrypto/modtrezorcrypto.c
index b17962aa0..5187cbebe 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto.c
+++ b/extmod/modtrezorcrypto/modtrezorcrypto.c
@@ -18,6 +18,7 @@
 #include "modtrezorcrypto-aes.h"
 #include "modtrezorcrypto-bip32.h"
 #include "modtrezorcrypto-bip39.h"
+#include "modtrezorcrypto-blake2s.h"
 #include "modtrezorcrypto-curve25519.h"
 #include "modtrezorcrypto-ed25519.h"
 #include "modtrezorcrypto-pbkdf2.h"
@@ -36,6 +37,7 @@ STATIC const mp_rom_map_elem_t mp_module_TrezorCrypto_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_AES), MP_ROM_PTR(&mod_TrezorCrypto_AES_type) },
     { MP_ROM_QSTR(MP_QSTR_Bip32), MP_ROM_PTR(&mod_TrezorCrypto_Bip32_type) },
     { MP_ROM_QSTR(MP_QSTR_Bip39), MP_ROM_PTR(&mod_TrezorCrypto_Bip39_type) },
+    { MP_ROM_QSTR(MP_QSTR_Blake2s), MP_ROM_PTR(&mod_TrezorCrypto_Blake2s_type) },
     { MP_ROM_QSTR(MP_QSTR_Curve25519), MP_ROM_PTR(&mod_TrezorCrypto_Curve25519_type) },
     { MP_ROM_QSTR(MP_QSTR_Ed25519), MP_ROM_PTR(&mod_TrezorCrypto_Ed25519_type) },
     { MP_ROM_QSTR(MP_QSTR_Nist256p1), MP_ROM_PTR(&mod_TrezorCrypto_Nist256p1_type) },
diff --git a/vendor/micropython b/vendor/micropython
index 26553fefd..a90137694 160000
--- a/vendor/micropython
+++ b/vendor/micropython
@@ -1 +1 @@
-Subproject commit 26553fefd87651e80bf6610f61101977a0d1c5a8
+Subproject commit a9013769469e58ce84456c703f0eea0e2f7e6a57
diff --git a/vendor/trezor-crypto b/vendor/trezor-crypto
index fa8772dfe..a91e00563 160000
--- a/vendor/trezor-crypto
+++ b/vendor/trezor-crypto
@@ -1 +1 @@
-Subproject commit fa8772dfee59f426fda238553f4613bcb7d30636
+Subproject commit a91e005633fa6950a95beae58f49561a29cc0053