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// Copyright 2021 Contributors to the Parsec project.
// SPDX-License-Identifier: Apache-2.0
use super::convert_psa_algorithm;
use super::generated_ops::psa_cipher_decrypt::{
Operation as OperationProto, Result as ResultProto,
};
use crate::operations::psa_cipher_decrypt::{Operation, Result};
use crate::requests::ResponseStatus;
use std::convert::TryFrom;
impl TryFrom<OperationProto> for Operation {
type Error = ResponseStatus;
fn try_from(proto_op: OperationProto) -> std::result::Result<Self, Self::Error> {
Ok(Operation {
key_name: proto_op.key_name,
alg: convert_psa_algorithm::i32_to_cipher(proto_op.alg)?,
ciphertext: proto_op.ciphertext.into(),
})
}
}
impl TryFrom<Operation> for OperationProto {
type Error = ResponseStatus;
fn try_from(op: Operation) -> std::result::Result<Self, Self::Error> {
Ok(OperationProto {
key_name: op.key_name,
alg: convert_psa_algorithm::cipher_to_i32(op.alg),
ciphertext: op.ciphertext.to_vec(),
})
}
}
impl TryFrom<ResultProto> for Result {
type Error = ResponseStatus;
fn try_from(proto_result: ResultProto) -> std::result::Result<Self, Self::Error> {
Ok(Result {
plaintext: proto_result.plaintext.into(),
})
}
}
impl TryFrom<Result> for ResultProto {
type Error = ResponseStatus;
fn try_from(result: Result) -> std::result::Result<Self, Self::Error> {
Ok(ResultProto {
plaintext: result.plaintext.to_vec(),
})
}
}
#[cfg(test)]
mod test {
use super::super::generated_ops::psa_cipher_decrypt::{
Operation as OperationProto, Result as ResultProto,
};
use super::super::{Convert, ProtobufConverter};
use super::convert_psa_algorithm;
use crate::operations::psa_algorithm::Cipher;
use crate::operations::psa_cipher_decrypt::{Operation, Result};
use std::convert::TryInto;
static CONVERTER: ProtobufConverter = ProtobufConverter {};
use crate::operations::{NativeOperation, NativeResult};
use crate::requests::{request::RequestBody, response::ResponseBody, Opcode};
use zeroize::Zeroizing;
#[test]
fn cipher_proto_to_op() {
let mut proto: OperationProto = Default::default();
let message = vec![0x11, 0x22, 0x33];
let key_name = "test name".to_string();
let proto_alg = Cipher::StreamCipher;
proto.ciphertext = message.clone();
proto.alg = convert_psa_algorithm::cipher_to_i32(proto_alg);
proto.key_name = key_name.clone();
let op: Operation = proto.try_into().expect("Failed to convert");
assert_eq!(op.ciphertext.to_vec(), message);
assert_eq!(op.key_name, key_name);
}
#[test]
fn cipher_op_to_proto() {
let message = vec![0x11, 0x22, 0x33];
let key_name = "test name".to_string();
let op = Operation {
ciphertext: Zeroizing::new(message.clone()),
alg: Cipher::StreamCipher,
key_name: key_name.clone(),
};
let proto: OperationProto = op.try_into().expect("Failed to convert");
assert_eq!(proto.ciphertext, message);
assert_eq!(proto.key_name, key_name);
}
#[test]
fn cipher_proto_to_resp() {
let mut proto: ResultProto = Default::default();
let plaintext: Vec<u8> = vec![0x11, 0x22, 0x33];
proto.plaintext = plaintext.clone();
let result: Result = proto.try_into().expect("Failed to convert");
assert_eq!(*result.plaintext, plaintext);
}
#[test]
fn cipher_resp_to_proto() {
let plaintext = vec![0x11, 0x22, 0x33];
let result = Result {
plaintext: plaintext.clone().into(),
};
let proto: ResultProto = result.try_into().expect("Failed to convert");
assert_eq!(proto.plaintext, plaintext);
}
#[test]
fn psa_decrypt_message_op_e2e() {
let name = "test name".to_string();
let op = Operation {
key_name: name,
alg: Cipher::StreamCipher,
ciphertext: Zeroizing::new(vec![0x11, 0x22, 0x33]),
};
let body = CONVERTER
.operation_to_body(NativeOperation::PsaCipherDecrypt(op))
.expect("Failed to convert to body");
let _ = CONVERTER
.body_to_operation(body, Opcode::PsaCipherDecrypt)
.expect("Failed to convert to operation");
}
#[test]
fn resp_cipher_decrypt_e2e() {
let result = Result {
plaintext: vec![0x11, 0x22, 0x33].into(),
};
let body = CONVERTER
.result_to_body(NativeResult::PsaCipherDecrypt(result))
.expect("Failed to convert request");
assert!(CONVERTER
.body_to_result(body, Opcode::PsaCipherDecrypt)
.is_ok());
}
#[test]
fn result_from_mangled_resp_body() {
let resp_body =
ResponseBody::from_bytes(vec![0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88]);
assert!(CONVERTER
.body_to_result(resp_body, Opcode::PsaCipherDecrypt)
.is_err());
}
#[test]
fn op_from_mangled_req_body() {
let req_body =
RequestBody::from_bytes(vec![0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88]);
assert!(CONVERTER
.body_to_operation(req_body, Opcode::PsaCipherDecrypt)
.is_err());
}
}
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