diff options
Diffstat (limited to 'back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs')
| -rw-r--r-- | back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs b/back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs index f5327df..9931698 100644 --- a/back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs +++ b/back-end/libs/NVault.Crypto.Secp256k1/src/ContextExtensions.cs @@ -254,7 +254,7 @@ namespace NVault.Crypto.Secp256k1 { if (secretKey.Length != SecretKeySize) { - throw new ArgumentException($"Your public key buffer must be exactly {SecretKeySize} bytes long"); + throw new ArgumentException($"Your secret key buffer must be exactly {SecretKeySize} bytes long"); } //Init callback state struct @@ -265,17 +265,28 @@ namespace NVault.Crypto.Secp256k1 OutLen = data.Length }; + context.Lib.SafeLibHandle.ThrowIfClosed(); + //Stack allocated keypair and x-only public key - Secp256k1PublicKey pubKeyStruct = new(); - //Recover the x-only public key structure - MemoryUtil.CopyStruct(xOnlyPubKey, &pubKeyStruct); + Secp256k1PublicKey peerPubKey = new(); - context.Lib.SafeLibHandle.ThrowIfClosed(); + //Parse the public key from the buffer + fixed (byte* pubkeyPtr = &MemoryMarshal.GetReference(xOnlyPubKey)) + { + context.Lib._xOnlyPubkeyParse(context.Context, &peerPubKey, pubkeyPtr); + } fixed (byte* dataPtr = &MemoryMarshal.GetReference(data), secKeyPtr = &MemoryMarshal.GetReference(secretKey)) { - return context.Lib._ecdh.Invoke(context.Context, dataPtr, &pubKeyStruct, secKeyPtr, UmanagedEcdhHashFuncCallback, &state) == 1; + return context.Lib._ecdh.Invoke( + context.Context, + dataPtr, + &peerPubKey, + secKeyPtr, + UmanagedEcdhHashFuncCallback, + &state + ) == 1; } /* |