android_keyring/
cipher.rs

1use crate::{
2    keystore::Key,
3    methods::{
4        ClassDecl, Constructible, FromValue, JResult, Method, NoParam, SignatureComp, StaticMethod,
5        ToValue,
6    },
7};
8use jni::{
9    JNIEnv,
10    objects::{GlobalRef, JObject, JValueGen},
11};
12use std::marker::PhantomData;
13
14pub struct Cipher {
15    self_: GlobalRef,
16}
17impl FromValue for Cipher {
18    fn signature() -> SignatureComp {
19        Self::class().into()
20    }
21
22    fn from_object(self_: GlobalRef, _env: &mut JNIEnv) -> JResult<Self> {
23        Ok(Self { self_ })
24    }
25}
26impl Cipher {
27    fn class() -> ClassDecl {
28        ClassDecl("Ljavax/crypto/Cipher;")
29    }
30
31    pub fn get_instance(env: &mut JNIEnv, transformation: &str) -> JResult<Self> {
32        struct ThisMethod<'a>(PhantomData<&'a ()>);
33        impl<'a> StaticMethod for ThisMethod<'a> {
34            type Param = &'a str;
35            type Return = Cipher;
36
37            const NAME: &'static str = "getInstance";
38        }
39        ThisMethod::call(Self::class(), env, transformation)
40    }
41
42    pub fn init(&self, env: &mut JNIEnv, mode: i32, key: &Key) -> JResult<()> {
43        struct ThisMethod<'a>(PhantomData<&'a ()>);
44        impl<'a> Method for ThisMethod<'a> {
45            type Param = (i32, &'a Key);
46            type Return = ();
47
48            const NAME: &'static str = "init";
49        }
50
51        ThisMethod::call(&self.self_, env, (mode, key))
52    }
53
54    pub fn init2(
55        &self,
56        env: &mut JNIEnv,
57        mode: i32,
58        key: &Key,
59        spec: AlgorithmParameterSpec,
60    ) -> JResult<()> {
61        struct ThisMethod<'a>(PhantomData<&'a ()>);
62        impl<'a> Method for ThisMethod<'a> {
63            type Param = (i32, &'a Key, AlgorithmParameterSpec);
64            type Return = ();
65
66            const NAME: &'static str = "init";
67        }
68        ThisMethod::call(&self.self_, env, (mode, key, spec))
69    }
70
71    pub fn get_iv(&self, env: &mut JNIEnv) -> JResult<Vec<u8>> {
72        struct ThisMethod;
73        impl Method for ThisMethod {
74            type Param = NoParam;
75            type Return = Vec<u8>;
76
77            const NAME: &str = "getIV";
78        }
79        ThisMethod::call(&self.self_, env, NoParam)
80    }
81
82    pub fn do_final(&self, env: &mut JNIEnv, input: &[u8]) -> JResult<Vec<u8>> {
83        struct ThisMethod<'a>(PhantomData<&'a ()>);
84        impl<'a> Method for ThisMethod<'a> {
85            type Param = &'a [u8];
86            type Return = Vec<u8>;
87
88            const NAME: &'static str = "doFinal";
89        }
90        ThisMethod::call(&self.self_, env, input)
91    }
92}
93
94pub struct AlgorithmParameterSpec {
95    self_: GlobalRef,
96}
97impl ToValue for AlgorithmParameterSpec {
98    fn signature() -> SignatureComp {
99        Self::class().into()
100    }
101
102    fn to_value<'a>(&self, env: &mut JNIEnv<'a>) -> JResult<JValueGen<JObject<'a>>> {
103        Ok(env.new_local_ref(self.self_.as_obj())?.into())
104    }
105}
106impl AlgorithmParameterSpec {
107    fn class() -> ClassDecl {
108        ClassDecl("Ljava/security/spec/AlgorithmParameterSpec;")
109    }
110}
111
112pub struct GCMParameterSpec {
113    self_: GlobalRef,
114}
115impl FromValue for GCMParameterSpec {
116    fn signature() -> SignatureComp {
117        Self::class().into()
118    }
119
120    fn from_object(self_: GlobalRef, _env: &mut JNIEnv) -> JResult<Self> {
121        Ok(Self { self_ })
122    }
123}
124impl ToValue for GCMParameterSpec {
125    fn signature() -> SignatureComp {
126        Self::class().into()
127    }
128
129    fn to_value<'a>(&self, env: &mut JNIEnv<'a>) -> JResult<JValueGen<JObject<'a>>> {
130        Ok(env.new_local_ref(self.self_.as_obj())?.into())
131    }
132}
133impl GCMParameterSpec {
134    fn class() -> ClassDecl {
135        ClassDecl("Ljavax/crypto/spec/GCMParameterSpec;")
136    }
137
138    pub fn new(env: &mut JNIEnv, tag_len: i32, iv: &[u8]) -> JResult<GCMParameterSpec> {
139        struct ThisMethod<'a>(PhantomData<&'a ()>);
140        impl<'a> Constructible for ThisMethod<'a> {
141            type Param = (i32, &'a [u8]);
142            type Return = GCMParameterSpec;
143        }
144        ThisMethod::call_new(Self::class(), env, (tag_len, iv))
145    }
146}
147impl From<GCMParameterSpec> for AlgorithmParameterSpec {
148    fn from(value: GCMParameterSpec) -> Self {
149        Self { self_: value.self_ }
150    }
151}
android_keyring/cipher.rs

android_keyring/
cipher.rs
