7a1b7cdf92
Implement Wasmtime's new API as designed by RFC 11. This is quite a large commit which has had lots of discussion externally, so for more information it's best to read the RFC thread and the PR thread.
40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
use super::{guest_types, WasiCryptoCtx};
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impl super::wasi_ephemeral_crypto_kx::WasiEphemeralCryptoKx for WasiCryptoCtx {
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// --- key exchange
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fn kx_dh(
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&mut self,
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pk_handle: guest_types::Publickey,
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sk_handle: guest_types::Secretkey,
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) -> Result<guest_types::ArrayOutput, guest_types::CryptoErrno> {
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Ok((&*self).kx_dh(pk_handle.into(), sk_handle.into())?.into())
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}
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// --- Key encapsulation
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fn kx_encapsulate(
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&mut self,
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pk_handle: guest_types::Publickey,
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) -> Result<(guest_types::ArrayOutput, guest_types::ArrayOutput), guest_types::CryptoErrno>
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{
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let (secret_handle, encapsulated_secret_handle) =
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(&*self).kx_encapsulate(pk_handle.into())?;
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Ok((secret_handle.into(), encapsulated_secret_handle.into()))
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}
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fn kx_decapsulate(
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&mut self,
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sk_handle: guest_types::Secretkey,
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encapsulated_secret_ptr: &wiggle::GuestPtr<'_, u8>,
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encapsulated_secret_len: guest_types::Size,
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) -> Result<guest_types::ArrayOutput, guest_types::CryptoErrno> {
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let encapsulated_secret = &*encapsulated_secret_ptr
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.as_array(encapsulated_secret_len)
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.as_slice()?;
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Ok((&*self)
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.kx_decapsulate(sk_handle.into(), encapsulated_secret)?
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.into())
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}
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}
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