fix: solve various import issues, ensure CI also tests rustcrypto wit…

…h no_std

.github/workflows/check.yml

@@ -59,7 +59,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustc, cargo
-      - run: cargo test --no-default-features --features openssl
+      - run: cargo test --no-default-features --features openssl,rustcrypto
 
   fmt:
     name: Rustfmt

build.rs

@@ -15,7 +15,9 @@ fn main() {
     cfg_aliases! {
         rustcrypto_encrypt_base: {
             any(
-                feature = "rustcrypto-aes-gcm"
+                feature = "rustcrypto-aes-gcm",
+                feature = "rustcrypto-aes-ccm",
+                feature = "rustcrypto-chacha20-poly1305"
             )
         },
         rustcrypto_sign_base: {

src/token/cose/crypto_impl/rustcrypto/encrypt/aes_ccm.rs

@@ -19,6 +19,7 @@ use crate::error::CoseCipherError;
 use crate::token::cose::{CoseSymmetricKey, CryptoBackend};
 
 use super::RustCryptoContext;
+use alloc::vec::Vec;
 
 impl<RNG: RngCore + CryptoRng> RustCryptoContext<RNG> {
     /// Perform an AES-CCM encryption operation on `plaintext` and the additional authenticated

src/token/cose/crypto_impl/rustcrypto/encrypt/aes_gcm.rs

@@ -19,6 +19,7 @@ use crate::error::CoseCipherError;
 use crate::token::cose::{CoseSymmetricKey, CryptoBackend};
 
 use super::RustCryptoContext;
+use alloc::vec::Vec;
 
 impl<RNG: RngCore + CryptoRng> RustCryptoContext<RNG> {
     /// Perform an AES-GCM encryption operation on `plaintext` and the additional authenticated

src/token/cose/crypto_impl/rustcrypto/key_distribution/aes_key_wrap.rs

@@ -20,6 +20,7 @@ use crate::error::CoseCipherError;
 use crate::token::cose::{CoseSymmetricKey, CryptoBackend};
 
 use super::RustCryptoContext;
+use alloc::vec::Vec;
 
 impl<RNG: RngCore + CryptoRng> RustCryptoContext<RNG> {
     /// Perform an AES key wrap operation on the key contained in `plaintext` which is wrapped

src/token/cose/crypto_impl/rustcrypto/key_distribution/mod.rs

@@ -14,6 +14,7 @@ use rand::{CryptoRng, RngCore};
 use crate::error::CoseCipherError;
 use crate::token::cose::crypto_impl::rustcrypto::RustCryptoContext;
 use crate::token::cose::{CoseSymmetricKey, KeyDistributionCryptoBackend};
+use alloc::vec::Vec;
 
 #[cfg(feature = "rustcrypto-aes-kw")]
 mod aes_key_wrap;

src/token/cose/crypto_impl/rustcrypto/mod.rs

@@ -92,7 +92,11 @@ impl From<digest::MacError> for CoseCipherError<CoseRustCryptoCipherError> {
     }
 }
 
-#[cfg(feature = "rustcrypto-aes-gcm")]
+#[cfg(any(
+    feature = "rustcrypto-aes-gcm",
+    feature = "rustcrypto-aes-ccm",
+    feature = "rustcrypto-chacha20-poly1305"
+))]
 impl From<aead::Error> for CoseCipherError<CoseRustCryptoCipherError> {
     fn from(_value: aead::Error) -> Self {
         CoseCipherError::VerificationFailure

src/token/cose/crypto_impl/rustcrypto/sign/ecdsa.rs

@@ -33,6 +33,7 @@ use crate::error::CoseCipherError;
 use crate::token::cose::crypto_impl::rustcrypto::CoseRustCryptoCipherError;
 use crate::token::cose::crypto_impl::rustcrypto::RustCryptoContext;
 use crate::token::cose::{CoseEc2Key, CryptoBackend, EllipticCurve};
+use alloc::vec::Vec;
 
 impl<RNG: RngCore + CryptoRng> RustCryptoContext<RNG> {
     /// Perform an ECDSA signature operation with the ECDSA variant given in `algorithm` for the

src/token/cose/crypto_impl/rustcrypto/sign/mod.rs

@@ -15,6 +15,7 @@ use rand::{CryptoRng, RngCore};
 
 use crate::token::cose::crypto_impl::rustcrypto::RustCryptoContext;
 use crate::token::SignCryptoBackend;
+use alloc::vec::Vec;
 
 #[cfg(feature = "rustcrypto-ecdsa")]
 mod ecdsa;