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Replace AeadCipher::seal with AeadCipher::seal_to

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This commit is contained in:
Jack Grigg 2019-06-05 13:55:17 +01:00
parent edf7bc144d
commit 6d03b5c1db
No known key found for this signature in database
GPG Key ID: 9E8255172BBF9898
1 changed files with 7 additions and 11 deletions
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18
zcash_primitives/src/note_encryption.rs
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@ -326,26 +326,22 @@ impl SaplingNoteEncryption {
) -> [u8; OUT_CIPHERTEXT_SIZE] {
let key = prf_ock(&self.ovk, &cv, &cmu, &self.epk);
let mut buf = [0u8; OUT_CIPHERTEXT_SIZE];
self.note.pk_d.write(&mut buf[0..32]).unwrap();
let mut input = [0u8; OUT_PLAINTEXT_SIZE];
self.note.pk_d.write(&mut input[0..32]).unwrap();
self.esk
.into_repr()
.write_le(&mut buf[32..OUT_PLAINTEXT_SIZE])
.write_le(&mut input[32..OUT_PLAINTEXT_SIZE])
.unwrap();
let mut output = [0u8; OUT_CIPHERTEXT_SIZE];
assert_eq!(
ChachaPolyIetf::aead_cipher()
.seal(
&mut buf,
OUT_PLAINTEXT_SIZE,
&[],
key.as_bytes(),
&[0u8; 12]
)
.seal_to(&mut output, &input, &[], key.as_bytes(), &[0u8; 12])
.unwrap(),
OUT_CIPHERTEXT_SIZE
);
buf
output
}
}