cerc-io/sodium-javascript
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add null check on ad param

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This commit is contained in:
Christophe Diederichs 2020-06-17 13:00:52 +02:00
parent 68bd4b4a68
commit 6a0e8e7236
1 changed files with 8 additions and 0 deletions
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8
crypto_aead.js
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@ -12,6 +12,8 @@ const crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX = Number.MAX_SAFE_INTEG
const _pad0 = Buffer.alloc(16) const _pad0 = Buffer.alloc(16)
function crypto_aead_chacha20poly1305_ietf_encrypt (c, m, ad, nsec, npub, k) { function crypto_aead_chacha20poly1305_ietf_encrypt (c, m, ad, nsec, npub, k) {
if (ad === null) return crypto_aead_chacha20poly1305_ietf_encrypt(c, m, Buffer.alloc(0), nsec, npub, k)
assert(c.length === m.length + crypto_aead_chacha20poly1305_ietf_ABYTES, assert(c.length === m.length + crypto_aead_chacha20poly1305_ietf_ABYTES,
"ciphertext should be 'crypto_aead_chacha20poly1305_ietf_ABYTES' longer than message") "ciphertext should be 'crypto_aead_chacha20poly1305_ietf_ABYTES' longer than message")
assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES, assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,
@ -30,6 +32,8 @@ function crypto_aead_chacha20poly1305_ietf_encrypt (c, m, ad, nsec, npub, k) {
} }
function crypto_aead_chacha20poly1305_ietf_encrypt_detached (c, mac, m, ad, nsec, npub, k) { function crypto_aead_chacha20poly1305_ietf_encrypt_detached (c, mac, m, ad, nsec, npub, k) {
if (ad === null) return crypto_aead_chacha20poly1305_ietf_encrypt(c, mac, m, Buffer.alloc(0), nsec, npub, k)
assert(c.length === m.length, 'ciphertext should be same length than message') assert(c.length === m.length, 'ciphertext should be same length than message')
assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES, assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,
"npub should be 'crypto_aead_chacha20poly1305_ietf_NPUBBYTES' long") "npub should be 'crypto_aead_chacha20poly1305_ietf_NPUBBYTES' long")
@ -67,6 +71,8 @@ function crypto_aead_chacha20poly1305_ietf_encrypt_detached (c, mac, m, ad, nsec
} }
function crypto_aead_chacha20poly1305_ietf_decrypt (m, nsec, c, ad, npub, k) { function crypto_aead_chacha20poly1305_ietf_decrypt (m, nsec, c, ad, npub, k) {
if (ad === null) return crypto_aead_chacha20poly1305_ietf_decrypt(m, nsec, c, Buffer.alloc(0), npub, k)
assert(m.length === c.length - crypto_aead_chacha20poly1305_ietf_ABYTES, assert(m.length === c.length - crypto_aead_chacha20poly1305_ietf_ABYTES,
"message should be 'crypto_aead_chacha20poly1305_ietf_ABYTES' shorter than ciphertext") "message should be 'crypto_aead_chacha20poly1305_ietf_ABYTES' shorter than ciphertext")
assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES, assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,
@ -93,6 +99,8 @@ function crypto_aead_chacha20poly1305_ietf_decrypt (m, nsec, c, ad, npub, k) {
} }
function crypto_aead_chacha20poly1305_ietf_decrypt_detached (m, nsec, c, mac, ad, npub, k) { function crypto_aead_chacha20poly1305_ietf_decrypt_detached (m, nsec, c, mac, ad, npub, k) {
if (ad === null) return crypto_aead_chacha20poly1305_ietf_decrypt(m, nsec, c, mac, Buffer.alloc(0), npub, k)
assert(c.length === m.length, 'message should be same length than ciphertext') assert(c.length === m.length, 'message should be same length than ciphertext')
assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES, assert(npub.length === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,
"npub should be 'crypto_aead_chacha20poly1305_ietf_NPUBBYTES' long") "npub should be 'crypto_aead_chacha20poly1305_ietf_NPUBBYTES' long")