diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h b/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
index 9de3fb617..7d88d8ae5 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
@@ -42,7 +42,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Blake2s_make_new(const mp_obj_type_t *type, siz
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Blake2s.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.blake2s.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -57,7 +57,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Blake2s_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Blake2s_update_obj, mod_TrezorCrypto_Blake2s_update);
 
-/// def trezor.crypto.hashlib.Blake2s.digest(self) -> bytes:
+/// def trezor.crypto.hashlib.blake2s.digest(self) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-pbkdf2.h b/extmod/modtrezorcrypto/modtrezorcrypto-pbkdf2.h
index fbf383b71..676276f75 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-pbkdf2.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-pbkdf2.h
@@ -62,7 +62,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Pbkdf2_make_new(const mp_obj_type_t *type, size
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.pbkdf2.Pbkdf2.update(self, iterations: int) -> None:
+/// def trezor.crypto.pbkdf2.update(self, iterations: int) -> None:
 ///     '''
 ///     Update a PBKDF2 context
 ///     '''
@@ -79,7 +79,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Pbkdf2_update(mp_obj_t self, mp_obj_t iteration
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Pbkdf2_update_obj, mod_TrezorCrypto_Pbkdf2_update);
 
-/// def trezor.crypto.pbkdf2.Pbkdf2.key(self) -> bytes:
+/// def trezor.crypto.pbkdf2.key(self) -> bytes:
 ///     '''
 ///     Retreive derived key
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h b/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
index 6b495fd9f..38ded686a 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
@@ -35,7 +35,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_make_new(const mp_obj_type_t *type, s
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Ripemd160.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.ripemd160.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -50,7 +50,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_update(mp_obj_t self, mp_obj_t data)
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Ripemd160_update_obj, mod_TrezorCrypto_Ripemd160_update);
 
-/// def trezor.crypto.hashlib.Ripemd160.digest(self) -> bytes:
+/// def trezor.crypto.hashlib.ripemd160.digest(self) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha1.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha1.h
index a462d5921..0003853bf 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha1.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha1.h
@@ -35,7 +35,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha1_make_new(const mp_obj_type_t *type, size_t
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Sha1.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.sha1.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -50,7 +50,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha1_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha1_update_obj, mod_TrezorCrypto_Sha1_update);
 
-/// def trezor.crypto.hashlib.Sha1.digest(self) -> bytes:
+/// def trezor.crypto.hashlib.sha1.digest(self) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
index 38cc3c4b6..25ba25620 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
@@ -35,7 +35,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha256_make_new(const mp_obj_type_t *type, size
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Sha256.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.sha256.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -50,7 +50,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha256_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha256_update_obj, mod_TrezorCrypto_Sha256_update);
 
-/// def trezor.crypto.hashlib.Sha256.digest(self) -> bytes:
+/// def trezor.crypto.hashlib.sha256.digest(self) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
index 0b22e62e6..14431b3c8 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
@@ -35,7 +35,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha3_256_make_new(const mp_obj_type_t *type, si
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Sha3_256.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.sha3_256.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -50,7 +50,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha3_256_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha3_256_update_obj, mod_TrezorCrypto_Sha3_256_update);
 
-/// def trezor.crypto.hashlib.Sha3_256.digest(self, keccak: bool=False) -> bytes:
+/// def trezor.crypto.hashlib.sha3_256.digest(self, keccak: bool=False) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
index d89a86a8d..77ea52855 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
@@ -35,7 +35,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha3_512_make_new(const mp_obj_type_t *type, si
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Sha3_512.update(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.sha3_512.update(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -50,7 +50,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha3_512_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha3_512_update_obj, mod_TrezorCrypto_Sha3_512_update);
 
-/// def trezor.crypto.hashlib.Sha3_512.digest(self, keccak: bool=False) -> bytes:
+/// def trezor.crypto.hashlib.sha3_512.digest(self, keccak: bool=False) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h b/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
index e8b24ff47..5813483fc 100644
--- a/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
+++ b/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
@@ -34,7 +34,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha512_make_new(const mp_obj_type_t *type, size
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.crypto.hashlib.Sha512.hash(self, data: bytes) -> None:
+/// def trezor.crypto.hashlib.sha512.hash(self, data: bytes) -> None:
 ///     '''
 ///     Update the hash context with hashed data.
 ///     '''
@@ -49,7 +49,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Sha512_update(mp_obj_t self, mp_obj_t data) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha512_update_obj, mod_TrezorCrypto_Sha512_update);
 
-/// def trezor.crypto.hashlib.Sha512.digest(self) -> bytes:
+/// def trezor.crypto.hashlib.sha512.digest(self) -> bytes:
 ///     '''
 ///     Returns the digest of hashed data.
 ///     '''
diff --git a/mocks/trezor/crypto/hashlib/Blake2s.py b/mocks/trezor/crypto/hashlib/blake2s.py
similarity index 100%
rename from mocks/trezor/crypto/hashlib/Blake2s.py
rename to mocks/trezor/crypto/hashlib/blake2s.py
diff --git a/mocks/trezor/crypto/hashlib/Ripemd160.py b/mocks/trezor/crypto/hashlib/ripemd160.py
similarity index 100%
rename from mocks/trezor/crypto/hashlib/Ripemd160.py
rename to mocks/trezor/crypto/hashlib/ripemd160.py
diff --git a/mocks/trezor/crypto/hashlib/Sha1.py b/mocks/trezor/crypto/hashlib/sha1.py
similarity index 100%
rename from mocks/trezor/crypto/hashlib/Sha1.py
rename to mocks/trezor/crypto/hashlib/sha1.py
diff --git a/mocks/trezor/crypto/hashlib/Sha256.py b/mocks/trezor/crypto/hashlib/sha256.py
similarity index 100%
rename from mocks/trezor/crypto/hashlib/Sha256.py
rename to mocks/trezor/crypto/hashlib/sha256.py
diff --git a/mocks/trezor/crypto/hashlib/Sha3_256.py b/mocks/trezor/crypto/hashlib/sha3_256.py
similarity index 85%
rename from mocks/trezor/crypto/hashlib/Sha3_256.py
rename to mocks/trezor/crypto/hashlib/sha3_256.py
index fef5ce667..b09a5bd2c 100644
--- a/mocks/trezor/crypto/hashlib/Sha3_256.py
+++ b/mocks/trezor/crypto/hashlib/sha3_256.py
@@ -6,7 +6,7 @@ def update(self, data: bytes) -> None:
     '''
 
 # ../extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
-def digest(self) -> bytes:
+def digest(self, keccak: bool=False) -> bytes:
     '''
     Returns the digest of hashed data.
     '''
diff --git a/mocks/trezor/crypto/hashlib/Sha3_512.py b/mocks/trezor/crypto/hashlib/sha3_512.py
similarity index 85%
rename from mocks/trezor/crypto/hashlib/Sha3_512.py
rename to mocks/trezor/crypto/hashlib/sha3_512.py
index ba592a9be..aa6f048ee 100644
--- a/mocks/trezor/crypto/hashlib/Sha3_512.py
+++ b/mocks/trezor/crypto/hashlib/sha3_512.py
@@ -6,7 +6,7 @@ def update(self, data: bytes) -> None:
     '''
 
 # ../extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
-def digest(self) -> bytes:
+def digest(self, keccak: bool=False) -> bytes:
     '''
     Returns the digest of hashed data.
     '''
diff --git a/mocks/trezor/crypto/hashlib/Sha512.py b/mocks/trezor/crypto/hashlib/sha512.py
similarity index 100%
rename from mocks/trezor/crypto/hashlib/Sha512.py
rename to mocks/trezor/crypto/hashlib/sha512.py
diff --git a/mocks/trezor/crypto/pbkdf2/Pbkdf2.py b/mocks/trezor/crypto/pbkdf2.py
similarity index 100%
rename from mocks/trezor/crypto/pbkdf2/Pbkdf2.py
rename to mocks/trezor/crypto/pbkdf2.py
diff --git a/mocks/trezor/crypto/pbkdf2/.mock-generated b/mocks/trezor/crypto/pbkdf2/.mock-generated
deleted file mode 100644
index e69de29bb..000000000
diff --git a/mocks/trezor/crypto/pbkdf2/__init__.py b/mocks/trezor/crypto/pbkdf2/__init__.py
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/tests/check_coverage.sh b/src/tests/check_coverage.sh
new file mode 100755
index 000000000..9964fe541
--- /dev/null
+++ b/src/tests/check_coverage.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+find ../../mocks -name '*.py' | sort | while read module; do
+    module=$(echo $module | sed 's:^\.\./\.\./mocks/::')
+    base=$(basename $module)
+    # skip __init__.py
+    if [[ $base == "__init__.py" ]]; then
+        continue
+    fi
+    # skip everything outside of trezor
+    if [[ $module != trezor* ]]; then
+        continue
+    fi
+    # skip classes (uppercase modules)
+    if [[ $base == [ABCDEFGHIJKLMNOPQRSTUVWXYZ]* ]]; then
+        continue
+    fi
+    module=$(echo $module | sed -e 's:\.py$::' -e 's:/:.:g')
+
+    if [ -r test_$module.py ]; then
+        echo "OK   $module"
+    else
+        echo "MISS $module"
+        missing=$(expr $missing + 1)
+    fi
+
+done