use std::convert::TryInto;
use crate::error::*;
use crate::types as guest_types;
use crate::WasiCryptoCtx;
impl crate::wasi_ephemeral_crypto_symmetric::WasiEphemeralCryptoSymmetric for WasiCryptoCtx {
fn symmetric_key_generate_managed(
&self,
key_manager_handle: guest_types::KeyManager,
alg_str: &wiggle::GuestPtr<'_, str>,
options_handle: &guest_types::OptOptions,
) -> Result<guest_types::SymmetricKey, guest_types::CryptoErrno> {
let alg_str = &*alg_str.as_str()?;
let options_handle = match *options_handle {
guest_types::OptOptions::Some(options_handle) => Some(options_handle),
guest_types::OptOptions::None => None,
};
Ok(self
.ctx
.symmetric_key_generate_managed(
key_manager_handle.into(),
alg_str,
options_handle.map(Into::into),
)?
.into())
}
fn symmetric_key_replace_managed(
&self,
key_manager_handle: guest_types::KeyManager,
symmetric_key_old_handle: guest_types::SymmetricKey,
symmetric_key_new_handle: guest_types::SymmetricKey,
) -> Result<guest_types::Version, guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_key_replace_managed(
key_manager_handle.into(),
symmetric_key_old_handle.into(),
symmetric_key_new_handle.into(),
)?
.into())
}
fn symmetric_key_from_id(
&self,
key_manager_handle: guest_types::KeyManager,
symmetric_key_id_ptr: &wiggle::GuestPtr<'_, u8>,
symmetric_key_id_len: guest_types::Size,
symmetric_key_version: guest_types::Version,
) -> Result<guest_types::SymmetricKey, guest_types::CryptoErrno> {
let symmetric_key_id = &*symmetric_key_id_ptr
.as_array(symmetric_key_id_len)
.as_slice()?;
Ok(self
.ctx
.symmetric_key_from_id(
key_manager_handle.into(),
symmetric_key_id,
symmetric_key_version.into(),
)?
.into())
}
fn symmetric_key_generate(
&self,
alg_str: &wiggle::GuestPtr<'_, str>,
options_handle: &guest_types::OptOptions,
) -> Result<guest_types::SymmetricKey, guest_types::CryptoErrno> {
let alg_str = &*alg_str.as_str()?;
let options_handle = match *options_handle {
guest_types::OptOptions::Some(options_handle) => Some(options_handle),
guest_types::OptOptions::None => None,
};
Ok(self
.ctx
.symmetric_key_generate(alg_str, options_handle.map(Into::into))?
.into())
}
fn symmetric_key_import(
&self,
alg_str: &wiggle::GuestPtr<'_, str>,
raw_ptr: &wiggle::GuestPtr<'_, u8>,
raw_len: guest_types::Size,
) -> Result<guest_types::SymmetricKey, guest_types::CryptoErrno> {
let alg_str = &*alg_str.as_str()?;
let raw = &*raw_ptr.as_array(raw_len).as_slice()?;
Ok(self.ctx.symmetric_key_import(alg_str, raw)?.into())
}
fn symmetric_key_export(
&self,
symmetric_key_handle: guest_types::SymmetricKey,
) -> Result<guest_types::ArrayOutput, guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_key_export(symmetric_key_handle.into())?
.into())
}
fn symmetric_key_id(
&self,
symmetric_key_handle: guest_types::SymmetricKey,
symmetric_key_id_ptr: &wiggle::GuestPtr<'_, u8>,
symmetric_key_id_max_len: guest_types::Size,
) -> Result<(guest_types::Size, guest_types::Version), guest_types::CryptoErrno> {
let key_id_buf = &mut *symmetric_key_id_ptr
.as_array(symmetric_key_id_max_len)
.as_slice()?;
let (key_id, version) = self.ctx.symmetric_key_id(symmetric_key_handle.into())?;
ensure!(
key_id.len() <= key_id_buf.len(),
CryptoError::Overflow.into()
);
key_id_buf.copy_from_slice(&key_id);
Ok((key_id.len().try_into()?, version.into()))
}
fn symmetric_key_close(
&self,
key_handle: guest_types::SymmetricKey,
) -> Result<(), guest_types::CryptoErrno> {
Ok(self.ctx.symmetric_key_close(key_handle.into())?.into())
}
fn symmetric_state_open(
&self,
alg_str: &wiggle::GuestPtr<'_, str>,
key_handle: &guest_types::OptSymmetricKey,
options_handle: &guest_types::OptOptions,
) -> Result<guest_types::SymmetricState, guest_types::CryptoErrno> {
let alg_str = &*alg_str.as_str()?;
let key_handle = match *key_handle {
guest_types::OptSymmetricKey::Some(key_handle) => Some(key_handle),
guest_types::OptSymmetricKey::None => None,
};
let options_handle = match *options_handle {
guest_types::OptOptions::Some(options_handle) => Some(options_handle),
guest_types::OptOptions::None => None,
};
Ok(self
.ctx
.symmetric_state_open(
alg_str,
key_handle.map(Into::into),
options_handle.map(Into::into),
)?
.into())
}
fn symmetric_state_options_get(
&self,
symmetric_state_handle: guest_types::SymmetricState,
name_str: &wiggle::GuestPtr<'_, str>,
value_ptr: &wiggle::GuestPtr<'_, u8>,
value_max_len: guest_types::Size,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
let name_str: &str = &*name_str.as_str()?;
let value = &mut *value_ptr.as_array(value_max_len).as_slice()?;
Ok(self
.ctx
.options_get(symmetric_state_handle.into(), name_str, value)?
.try_into()?)
}
fn symmetric_state_options_get_u64(
&self,
symmetric_state_handle: guest_types::SymmetricState,
name_str: &wiggle::GuestPtr<'_, str>,
) -> Result<u64, guest_types::CryptoErrno> {
let name_str: &str = &*name_str.as_str()?;
Ok(self
.ctx
.options_get_u64(symmetric_state_handle.into(), name_str)?
.into())
}
fn symmetric_state_close(
&self,
symmetric_state_handle: guest_types::SymmetricState,
) -> Result<(), guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_state_close(symmetric_state_handle.into())?)
}
fn symmetric_state_absorb(
&self,
symmetric_state_handle: guest_types::SymmetricState,
data_ptr: &wiggle::GuestPtr<'_, u8>,
data_len: guest_types::Size,
) -> Result<(), guest_types::CryptoErrno> {
let data = &*data_ptr.as_array(data_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_absorb(symmetric_state_handle.into(), data)?
.into())
}
fn symmetric_state_squeeze(
&self,
symmetric_state_handle: guest_types::SymmetricState,
out_ptr: &wiggle::GuestPtr<'_, u8>,
out_len: guest_types::Size,
) -> Result<(), guest_types::CryptoErrno> {
let out = &mut *out_ptr.as_array(out_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_squeeze(symmetric_state_handle.into(), out)?
.into())
}
fn symmetric_state_squeeze_tag(
&self,
symmetric_state_handle: guest_types::SymmetricState,
) -> Result<guest_types::SymmetricTag, guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_state_squeeze_tag(symmetric_state_handle.into())?
.into())
}
fn symmetric_state_squeeze_key(
&self,
symmetric_state_handle: guest_types::SymmetricState,
alg_str: &wiggle::GuestPtr<'_, str>,
) -> Result<guest_types::SymmetricKey, guest_types::CryptoErrno> {
let alg_str = &*alg_str.as_str()?;
Ok(self
.ctx
.symmetric_state_squeeze_key(symmetric_state_handle.into(), alg_str)?
.into())
}
fn symmetric_state_max_tag_len(
&self,
symmetric_state_handle: guest_types::SymmetricState,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_state_max_tag_len(symmetric_state_handle.into())?
.try_into()?)
}
fn symmetric_state_encrypt(
&self,
symmetric_state_handle: guest_types::SymmetricState,
out_ptr: &wiggle::GuestPtr<'_, u8>,
out_len: guest_types::Size,
data_ptr: &wiggle::GuestPtr<'_, u8>,
data_len: guest_types::Size,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
let out = &mut *out_ptr.as_array(out_len).as_slice()?;
let data = &*data_ptr.as_array(data_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_encrypt(symmetric_state_handle.into(), out, data)?
.try_into()?)
}
fn symmetric_state_encrypt_detached(
&self,
symmetric_state_handle: guest_types::SymmetricState,
out_ptr: &wiggle::GuestPtr<'_, u8>,
out_len: guest_types::Size,
data_ptr: &wiggle::GuestPtr<'_, u8>,
data_len: guest_types::Size,
) -> Result<guest_types::SymmetricTag, guest_types::CryptoErrno> {
let out = &mut *out_ptr.as_array(out_len).as_slice()?;
let data = &*data_ptr.as_array(data_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_encrypt_detached(symmetric_state_handle.into(), out, data)?
.into())
}
fn symmetric_state_decrypt(
&self,
symmetric_state_handle: guest_types::SymmetricState,
out_ptr: &wiggle::GuestPtr<'_, u8>,
out_len: guest_types::Size,
data_ptr: &wiggle::GuestPtr<'_, u8>,
data_len: guest_types::Size,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
let out = &mut *out_ptr.as_array(out_len).as_slice()?;
let data = &*data_ptr.as_array(data_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_decrypt(symmetric_state_handle.into(), out, data)?
.try_into()?)
}
fn symmetric_state_decrypt_detached(
&self,
symmetric_state_handle: guest_types::SymmetricState,
out_ptr: &wiggle::GuestPtr<'_, u8>,
out_len: guest_types::Size,
data_ptr: &wiggle::GuestPtr<'_, u8>,
data_len: guest_types::Size,
raw_tag_ptr: &wiggle::GuestPtr<'_, u8>,
raw_tag_len: guest_types::Size,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
let out = &mut *out_ptr.as_array(out_len).as_slice()?;
let data = &*data_ptr.as_array(data_len).as_slice()?;
let raw_tag: &[u8] = &*raw_tag_ptr.as_array(raw_tag_len).as_slice()?;
Ok(self
.ctx
.symmetric_state_decrypt_detached(symmetric_state_handle.into(), out, data, raw_tag)?
.try_into()?)
}
fn symmetric_state_ratchet(
&self,
symmetric_state_handle: guest_types::SymmetricState,
) -> Result<(), guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_state_ratchet(symmetric_state_handle.into())?)
}
fn symmetric_tag_len(
&self,
symmetric_tag_handle: guest_types::SymmetricTag,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_tag_len(symmetric_tag_handle.into())?
.try_into()?)
}
fn symmetric_tag_pull(
&self,
symmetric_tag_handle: guest_types::SymmetricTag,
buf_ptr: &wiggle::GuestPtr<'_, u8>,
buf_len: guest_types::Size,
) -> Result<guest_types::Size, guest_types::CryptoErrno> {
let buf = &mut *buf_ptr.as_array(buf_len).as_slice()?;
Ok(self
.ctx
.symmetric_tag_pull(symmetric_tag_handle.into(), buf)?
.try_into()?)
}
fn symmetric_tag_verify(
&self,
symmetric_tag_handle: guest_types::SymmetricTag,
expected_raw_ptr: &wiggle::GuestPtr<'_, u8>,
expected_raw_len: guest_types::Size,
) -> Result<(), guest_types::CryptoErrno> {
let expected_raw = &*expected_raw_ptr.as_array(expected_raw_len).as_slice()?;
Ok(self
.ctx
.symmetric_tag_verify(symmetric_tag_handle.into(), expected_raw)?
.into())
}
fn symmetric_tag_close(
&self,
symmetric_tag_handle: guest_types::SymmetricTag,
) -> Result<(), guest_types::CryptoErrno> {
Ok(self
.ctx
.symmetric_tag_close(symmetric_tag_handle.into())?
.into())
}
}