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including default value for ADD argument in webcrypto aes-gcm algorithm #34

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merged 2 commits into from
Apr 29, 2024
Merged

including default value for ADD argument in webcrypto aes-gcm algorithm #34

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3dd2734
including default value for ADD argument in webcrypto aes-gcm algorithm
antonioconselheiro Apr 28, 2024
f805739
removing additionalData for AES-GCM when undefined
antonioconselheiro Apr 29, 2024
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6 changes: 5 additions & 1 deletion src/webcrypto.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,11 @@ type BlockMode = (typeof mode)[keyof typeof mode];
function getCryptParams(algo: BlockMode, nonce: Uint8Array, AAD?: Uint8Array) {
if (algo === mode.CBC) return { name: mode.CBC, iv: nonce };
if (algo === mode.CTR) return { name: mode.CTR, counter: nonce, length: 64 };
if (algo === mode.GCM) return { name: mode.GCM, iv: nonce, additionalData: AAD };
if (algo === mode.GCM) {
if (AAD) return { name: mode.GCM, iv: nonce, additionalData: AAD };
else return { name: mode.GCM, iv: nonce };
}

throw new Error('unknown aes block mode');
}

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