crypto: validate RSA-PSS saltLength in subtle.sign and subtle.verify #52262
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panva
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lpinca
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| validateInt32(saltLength, 'algorithm.saltLength', -2); | ||
| } | ||
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| async function rsaSignVerify(key, data, { saltLength }, signature) { | ||
| const mode = signature === undefined ? kSignJobModeSign : kSignJobModeVerify; | ||
| const type = mode === kSignJobModeSign ? 'private' : 'public'; | ||
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| if (key.type !== type) | ||
| throw lazyDOMException(`Key must be a ${type} key`, 'InvalidAccessError'); |
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The error is not sync anymore. Does this make this semver-major change?
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It does not. The entire API surface of webcrypto is async functions.
| case 'SHA-1': return 20; | ||
| case 'SHA-256': return 32; | ||
| case 'SHA-384': return 48; | ||
| case 'SHA-512': return 64; |
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Can you add a default with unreachable (like throw error)
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It's done the same way as the method above. I don't feel it's necessary. Used hashes are verified far before this is ever invoked.
tniessen
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anonrig
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Landed in 2241e8c |
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Resolves a TODO from @jasnell to validate RSA-PSS saltLength in SubtleCrypto.sign and SubtleCrypto.verify
fixes: #52188