diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac07159..97c80fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
-## [0.0.1] - TODO: Add release date.
+## [0.1.0+1]
+
+* Fix loading of shared library.
+
+## [0.0.1]
+
+* Initial release
 
-* TODO: Describe initial release.
diff --git a/analysis_options.yaml b/analysis_options.yaml
new file mode 100644
index 0000000..24e7ae2
--- /dev/null
+++ b/analysis_options.yaml
@@ -0,0 +1,173 @@
+# Defines a default set of lint rules enforced for
+# projects at Google. For details and rationale,
+# see https://github.com/dart-lang/pedantic#enabled-lints.
+include: package:pedantic/analysis_options.yaml
+
+analyzer:
+  strong-mode:
+    implicit-casts: false
+    implicit-dynamic: false
+  errors:
+    # treat missing required parameters as a warning (not a hint)
+    missing_required_param: warning
+    # treat missing returns as a warning (not a hint)
+    missing_return: warning
+    # allow having TODOs in the code
+    todo: ignore
+
+linter:
+  rules:
+    # these rules are documented on and in the same order as
+    # the Dart Lint rules page to make maintenance easier
+    # http://dart-lang.github.io/linter/lints/
+
+    # HP mostly in sync with https://github.com/flutter/flutter/blob/master/analysis_options.yaml
+
+    - always_declare_return_types
+    - always_put_control_body_on_new_line
+    # - always_put_required_named_parameters_first # we prefer having parameters in the same order as fields https://github.com/flutter/flutter/issues/10219
+    - always_require_non_null_named_parameters
+    # - always_specify_types
+    - annotate_overrides
+    # - avoid_annotating_with_dynamic # not yet tested
+    # - avoid_as
+    - avoid_bool_literals_in_conditional_expressions
+    # - avoid_catches_without_on_clauses # not yet tested
+    # - avoid_catching_errors # not yet tested
+    # - avoid_classes_with_only_static_members # not yet tested
+    # - avoid_double_and_int_checks # only useful when targeting JS runtime
+    - avoid_empty_else
+    - avoid_field_initializers_in_const_classes
+    - avoid_function_literals_in_foreach_calls
+    # - avoid_implementing_value_types # not yet tested
+    - avoid_init_to_null
+    # - avoid_js_rounded_ints # only useful when targeting JS runtime
+    - avoid_null_checks_in_equality_operators
+    # - avoid_positional_boolean_parameters # not yet tested
+    # - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356)
+    - avoid_relative_lib_imports
+    - avoid_renaming_method_parameters
+    - avoid_return_types_on_setters
+    # - avoid_returning_null # not yet tested
+    # - avoid_returning_null_for_future # not yet tested
+    - avoid_returning_null_for_void
+    # - avoid_returning_this # not yet tested
+    # - avoid_setters_without_getters # not yet tested
+    # - avoid_shadowing_type_parameters # not yet tested
+    # - avoid_single_cascade_in_expression_statements # not yet tested
+    - avoid_slow_async_io
+    - avoid_types_as_parameter_names
+    # - avoid_types_on_closure_parameters # not yet tested
+    - avoid_unused_constructor_parameters
+    - avoid_void_async
+    - await_only_futures
+    - camel_case_extensions
+    - camel_case_types
+    - cancel_subscriptions
+    # - cascade_invocations # not yet tested
+    # - close_sinks # not reliable enough
+    # - comment_references # blocked on https://github.com/flutter/flutter/issues/20765
+    # - constant_identifier_names # https://github.com/dart-lang/linter/issues/204
+    - control_flow_in_finally
+    - curly_braces_in_flow_control_structures
+    # - diagnostic_describe_all_properties # not yet tested
+    - directives_ordering
+    - empty_catches
+    - empty_constructor_bodies
+    - empty_statements
+    # - file_names # not yet tested
+    # - flutter_style_todos TODO(HP)
+    - hash_and_equals
+    - implementation_imports
+    # - invariant_booleans # too many false positives: https://github.com/dart-lang/linter/issues/811
+    - iterable_contains_unrelated_type
+    # - join_return_with_assignment # not yet tested
+    - library_names
+    - library_prefixes
+    # - lines_longer_than_80_chars # not yet tested
+    - list_remove_unrelated_type
+    # - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181
+    - no_adjacent_strings_in_list
+    - no_duplicate_case_values
+    - non_constant_identifier_names
+    # - null_closures  # not yet tested
+    # - omit_local_variable_types # opposite of always_specify_types
+    # - one_member_abstracts # too many false positives
+    # - only_throw_errors # https://github.com/flutter/flutter/issues/5792
+    - overridden_fields
+    - package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    # - parameter_assignments # we do this commonly
+    - prefer_adjacent_string_concatenation
+    - prefer_asserts_in_initializer_lists
+    # - prefer_asserts_with_message # not yet tested
+    - prefer_collection_literals
+    - prefer_conditional_assignment
+    - prefer_const_constructors
+    - prefer_const_constructors_in_immutables
+    - prefer_const_declarations
+    - prefer_const_literals_to_create_immutables
+    # - prefer_constructors_over_static_methods # not yet tested
+    - prefer_contains
+    # - prefer_double_quotes # opposite of prefer_single_quotes
+    - prefer_equal_for_default_values
+    # - prefer_expression_function_bodies # conflicts with https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#consider-using--for-short-functions-and-methods
+    - prefer_final_fields
+    - prefer_final_in_for_each
+    - prefer_final_locals
+    - prefer_for_elements_to_map_fromIterable
+    - prefer_foreach
+    # - prefer_function_declarations_over_variables # not yet tested
+    - prefer_generic_function_type_aliases
+    # - prefer_if_elements_to_conditional_expressions # not yet tested
+    - prefer_if_null_operators
+    - prefer_initializing_formals
+    - prefer_inlined_adds
+    # - prefer_int_literals # not yet tested
+    # - prefer_interpolation_to_compose_strings # not yet tested
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_iterable_whereType
+    # - prefer_mixin # https://github.com/dart-lang/language/issues/32
+    # - prefer_null_aware_operators # disable until NNBD, see https://github.com/flutter/flutter/pull/32711#issuecomment-492930932
+    - prefer_single_quotes
+    - prefer_spread_collections
+    - prefer_typing_uninitialized_variables
+    - prefer_void_to_null
+    # - provide_deprecation_message # not yet tested
+    # - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml
+    - recursive_getters
+    - slash_for_doc_comments
+    # - sort_child_properties_last # not yet tested
+    - sort_constructors_first
+    - sort_pub_dependencies
+    - sort_unnamed_constructors_first
+    - test_types_in_equals
+    - throw_in_finally
+    # - type_annotate_public_apis # subset of always_specify_types
+    - type_init_formals
+    # - unawaited_futures # https://github.com/flutter/flutter/issues/5793
+    # - unnecessary_await_in_return # not yet tested
+    - unnecessary_brace_in_string_interps
+    - unnecessary_const
+    - unnecessary_getters_setters
+    # - unnecessary_lambdas # https://github.com/dart-lang/linter/issues/498
+    - unnecessary_new
+    - unnecessary_null_aware_assignments
+    - unnecessary_null_in_if_null_operators
+    - unnecessary_overrides
+    #- unnecessary_parenthesis HP: I like parenthesis :-)
+    - unnecessary_statements
+    - unnecessary_this
+    - unrelated_type_equality_checks
+    # - unsafe_html # not yet tested
+    - use_full_hex_values_for_flutter_colors
+    # - use_function_type_syntax_for_parameters # not yet tested
+    - use_rethrow_when_possible
+    # - use_setters_to_change_properties # not yet tested
+    # - use_string_buffers # https://github.com/dart-lang/linter/pull/664
+    # - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review
+    - valid_regexps
+    - void_checks
+
diff --git a/lib/argon2_ffi_base.dart b/lib/argon2_ffi_base.dart
index d62ec40..c45a440 100644
--- a/lib/argon2_ffi_base.dart
+++ b/lib/argon2_ffi_base.dart
@@ -9,6 +9,8 @@ import 'dart:typed_data';
 import 'package:ffi/ffi.dart';
 import 'package:ffi_helper/ffi_helper.dart';
 
+// ignore_for_file: non_constant_identifier_names,
+
 typedef Argon2HashNative = Pointer<Utf8> Function(
   Pointer<Uint8> key,
   Uint32 keyLen,
@@ -36,10 +38,7 @@ typedef Argon2Hash = Pointer<Utf8> Function(
 );
 
 class Argon2FfiFlutter extends Argon2Base {
-  int Function(int x, int y) _nativeAdd;
-  Argon2Hash argon2hash;
-
-  Argon2Ffi() {
+  Argon2FfiFlutter() {
     final argon2lib = Platform.isAndroid
         ? DynamicLibrary.open('libargon2_ffi.so')
         : Platform.isLinux
@@ -48,8 +47,15 @@ class Argon2FfiFlutter extends Argon2Base {
     _nativeAdd = argon2lib
         .lookup<NativeFunction<Int32 Function(Int32, Int32)>>('native_add')
         .asFunction();
+    argon2hash = argon2lib
+        .lookup<NativeFunction<Argon2HashNative>>('hp_argon2_hash')
+        .asFunction();
   }
 
+  int Function(int x, int y) _nativeAdd;
+  @override
+  Argon2Hash argon2hash;
+
   int addIt(int x, int y) => _nativeAdd(x, y);
 }
 
diff --git a/pubspec.lock b/pubspec.lock
index a4ab656..914432e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -36,5 +36,12 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  pedantic:
+    dependency: "direct dev"
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.0"
 sdks:
   dart: ">=2.7.0 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index cb38bb1..de9b404 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,8 +1,7 @@
 name: argon2_ffi_base
-description: A new Flutter package project.
-version: 0.0.1
-author:
-homepage:
+description: Base package defining the interface for an Argon2 implementation.
+version: 0.1.0+1
+homepage: https://github.com/authpass/argon2_ffi_base
 
 environment:
   sdk: ">=2.7.0 <3.0.0"
@@ -12,3 +11,4 @@ dependencies:
   ffi_helper: ^1.4.0
 
 dev_dependencies:
+  pedantic: ^1.9.0