Add test

soroban-sdk/src/crypto.rs

@@ -11,6 +11,13 @@ use crate::{
 /// by a secure cryptographic function is required.
 pub struct Digest(BytesN<32>);
 
+impl Digest {
+    /// Constructs a new `Digest` from a fixed-length bytes array.
+    pub fn from_bytes(bytes: BytesN<32>) -> Self {
+        Self(bytes)
+    }
+}
+
 impl IntoVal<Env, Val> for Digest {
     fn into_val(&self, e: &Env) -> Val {
         self.0.into_val(e)

soroban-sdk/src/tests.rs

@@ -24,6 +24,7 @@ mod contractimport_with_error;
 mod crypto_ed25519;
 mod crypto_keccak256;
 mod crypto_secp256k1;
+mod crypto_secp256r1;
 mod crypto_sha256;
 mod env;
 mod max_ttl;

soroban-sdk/src/tests/crypto_secp256k1.rs

@@ -1,14 +1,14 @@
-use crate::{bytesn, Env};
+use crate::{bytesn, crypto::Digest, Env};
 
 #[test]
 fn test_recover_key_ecdsa_secp256k1() {
     let env = Env::default();
 
     // From: https://github.com/ethereum/go-ethereum/blob/90d5bd85bcf2919ac2735a47fde675213348a0a6/crypto/secp256k1/secp256_test.go#L204-L217
-    let message_digest = bytesn!(
+    let message_digest = Digest::from_bytes(bytesn!(
         &env,
         0xce0677bb30baa8cf067c88db9811f4333d131bf8bcf12fe7065d211dce971008
-    );
+    ));
     let signature = bytesn!(
         &env,
         0x90f27b8b488db00b00606796d2987f6a5f59ae62ea05effe84fef5b8b0e549984a691139ad57a3f0b906637673aa2f63d1f55cb1a69199d4009eea23ceaddc93
@@ -19,7 +19,7 @@ fn test_recover_key_ecdsa_secp256k1() {
         0x04e32df42865e97135acfb65f3bae71bdc86f4d49150ad6a440b6f15878109880a0a2b2667f7e725ceea70c673093bf67663e0312623c8e091b13cf2c0f11ef652
     );
     assert_eq!(
-        env.crypto_hazmat()
+        env.crypto()
             .secp256k1_recover(&message_digest, &signature, recovery_id),
         expected_public_key
     );

soroban-sdk/src/tests/crypto_secp256r1.rs

@@ -0,0 +1,25 @@
+use crate::{bytesn, crypto::Digest, Env};
+
+#[test]
+fn test_recover_key_ecdsa_secp256r1() {
+    let env = Env::default();
+
+    // Test vector copied and adapted from
+    // https://csrc.nist.gov/groups/STM/cavp/documents/dss/186-3ecdsatestvectors.zip
+    // `SigVer.rsp` section [P-256,SHA-256]
+    let message_digest = Digest::from_bytes(bytesn!(
+        &env,
+        0xd1b8ef21eb4182ee270638061063a3f3c16c114e33937f69fb232cc833965a94
+    ));
+    let signature = bytesn!(
+        &env,
+        0xbf96b99aa49c705c910be33142017c642ff540c76349b9dab72f981fd9347f4f17c55095819089c2e03b9cd415abdf12444e323075d98f31920b9e0f57ec871c
+    );
+    let public_key = bytesn!(
+        &env,
+        0x04e424dc61d4bb3cb7ef4344a7f8957a0c5134e16f7a67c074f82e6e12f49abf3c970eed7aa2bc48651545949de1dddaf0127e5965ac85d1243d6f60e7dfaee927
+    );
+
+    env.crypto()
+        .secp256r1_verify(&public_key, &message_digest, &signature)
+}