23 lines
764 B
Rust
23 lines
764 B
Rust
use encoding::all::UTF_16LE;
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use encoding::{EncoderTrap, Encoding};
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pub fn encrypt_config(content: &str, key: &str) -> Vec<u8> {
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let mut content_bytes = UTF_16LE.encode(content, EncoderTrap::Strict).unwrap();
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let key_bytes = UTF_16LE.encode(key, EncoderTrap::Strict).unwrap();
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for i in 0..content_bytes.len() {
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content_bytes[i] ^= key_bytes[i % key_bytes.len()];
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}
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let k = key.as_bytes();
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let mut out = Vec::with_capacity(4 + k.len() + 8 + content_bytes.len());
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leb128::write::unsigned(&mut out, u64::try_from(k.len()).unwrap()).unwrap();
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out.extend_from_slice(k);
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out.extend(0_u32.to_le_bytes());
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out.extend(u32::try_from(content_bytes.len()).unwrap().to_le_bytes());
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out.extend(content_bytes);
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out
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}
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