diff options
Diffstat (limited to 'src/crypto/mode/gcm.js')
| -rw-r--r-- | src/crypto/mode/gcm.js | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/src/crypto/mode/gcm.js b/src/crypto/mode/gcm.js index 1155cfe1..5751ad67 100644 --- a/src/crypto/mode/gcm.js +++ b/src/crypto/mode/gcm.js @@ -52,13 +52,7 @@ async function GCM(cipher, key) { return { encrypt: async function(pt, iv, adata = new Uint8Array()) { - if ( - !pt.length || - // iOS does not support GCM-en/decrypting empty messages - // Also, synchronous en/decryption might be faster in this case. - (!adata.length && navigator.userAgent && navigator.userAgent.indexOf('Edge') !== -1) - // Edge does not support GCM-en/decrypting without ADATA - ) { + if (!pt.length) { // iOS does not support GCM-en/decrypting empty messages return AES_GCM.encrypt(pt, key, iv, adata); } const ct = await webCrypto.encrypt({ name: ALGO, iv, additionalData: adata, tagLength: tagLength * 8 }, _key, pt); @@ -66,13 +60,7 @@ async function GCM(cipher, key) { }, decrypt: async function(ct, iv, adata = new Uint8Array()) { - if ( - ct.length === tagLength || - // iOS does not support GCM-en/decrypting empty messages - // Also, synchronous en/decryption might be faster in this case. - (!adata.length && navigator.userAgent && navigator.userAgent.indexOf('Edge') !== -1) - // Edge does not support GCM-en/decrypting without ADATA - ) { + if (ct.length === tagLength) { // iOS does not support GCM-en/decrypting empty messages return AES_GCM.decrypt(ct, key, iv, adata); } const pt = await webCrypto.decrypt({ name: ALGO, iv, additionalData: adata, tagLength: tagLength * 8 }, _key, ct); |