snarkvm_circuit_program/data/ciphertext/
from_fields.rs

1// Copyright (c) 2019-2025 Provable Inc.
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use super::*;
17
18impl<A: Aleo> From<Vec<Field<A>>> for Ciphertext<A> {
19    /// Initializes a ciphertext from a list of base field elements.
20    fn from(fields: Vec<Field<A>>) -> Self {
21        // Ensure the number of field elements does not exceed the maximum allowed size.
22        match fields.len() <= A::MAX_DATA_SIZE_IN_FIELDS as usize {
23            true => Self(fields),
24            false => A::halt("Ciphertext exceeds maximum allowed size"),
25        }
26    }
27}
28
29impl<A: Aleo> From<&[Field<A>]> for Ciphertext<A> {
30    /// Initializes a ciphertext from a list of base field elements.
31    fn from(fields: &[Field<A>]) -> Self {
32        Self::from_fields(fields)
33    }
34}
35
36impl<A: Aleo> FromFields for Ciphertext<A> {
37    type Field = Field<A>;
38
39    /// Initializes a ciphertext from a list of base field elements.
40    fn from_fields(fields: &[Self::Field]) -> Self {
41        Self::from(fields.to_vec())
42    }
43}
snarkvm_circuit_program/data/ciphertext/from_fields.rs

snarkvm_circuit_program/data/ciphertext/
from_fields.rs
