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If hash is not undefined: Let normalizedHash be the results of normalize an algorithm with alg set to hash and op set to digest. If normalizedHash is not equal towards the hash member of normalizedAlgorithm, toss a DataError. If the "d" discipline of jwk is current:
As the wrapKey system correctly exports The true secret, only keys marked as extractable can be wrapped. Particularly, Because of this this API can not create a wrapped JWK crucial that is definitely marked as non-extractable using the ext JWK member. On the other hand, the unwrapKey system does
If the following measures or referenced treatments say to toss an error, reject assure Along with the returned error then terminate the algorithm. In case the name member of normalizedAlgorithm just isn't equivalent into the title attribute of your [[algorithm]] inner slot of wrappingKey then throw an InvalidAccessError. When the [[usages]] internal slot of wrappingKey would not have an entry that is definitely "wrapKey", then toss an InvalidAccessError. In case the algorithm identified because of the [[algorithm]] inside slot of crucial isn't going to guidance the export important operation, then toss a NotSupportedError. In the event the [[extractable]] internal slot of vital is false, then toss an InvalidAccessError.
Return assure and asynchronously complete the remaining actions. If the following steps or referenced processes say to toss an mistake, reject guarantee Along with the returned error then terminate the algorithm. When the identify member of normalizedAlgorithm just isn't equal towards the name attribute from the [[algorithm]] inner slot of important then toss an InvalidAccessError. In case the [[usages]] inner slot of vital does not comprise an entry which is "encrypt", then toss an InvalidAccessError. Allow ciphertext be the result of carrying out the encrypt Procedure specified by normalizedAlgorithm using algorithm and critical and with details as plaintext. Take care of promise with ciphertext. fourteen.3.two. The decrypt method
Every single cryptographic algorithm definition within this specification employs the subsequent specification conventions. A piece, titled "Registration"
If usages is made up of an entry which is not "deriveKey" or "deriveBits" then toss a SyntaxError. Allow privateKeyInfo be the result of running the parse a privateKeyInfo algorithm over keyData. If an mistake takes place though parsing, throw a DataError. If the algorithm object identifier field on the privateKeyAlgorithm PrivateKeyAlgorithm field of privateKeyInfo is just not equivalent to the id-ecPublicKey or id-ecDH object identifiers described in RFC 5480, toss a DataError. Should the parameters field on the privateKeyAlgorithm PrivateKeyAlgorithmIdentifier discipline of privateKeyInfo just isn't current, throw a DataError.
Assistance of "Uncooked" critical formats is inspired for interoperability. Internet developers need to talk to the check-suite for detailed info on implementations guidance of other critical formats. 14.four. Exceptions
Permit mac be the result of accomplishing the MAC Generation operation described in Segment four of [FIPS PUB 198-one] using the critical represented by [[manage]] interior slot of vital, the hash functionality identified because of the hash attribute of the [[algorithm]] inner slot of vital and information as being the enter info text. Return legitimate if mac is equal to signature and Fake or else. Crank out Crucial
The normalize an algorithm algorithm defines a process for coercing inputs to a targeted IDL dictionary style, following World-wide-web IDL conversion has happened. It truly is designed to be extensible, to allow long term requirements to outline supplemental algorithms, and also safe for use with Promises.
In case the iv member of normalizedAlgorithm does not have length 16 bytes, then toss an OperationError. Allow paddedPlaintext be the result of carrying out the CBC Decryption Procedure described in Area 6.2 of [NIST SP800-38A] making use of AES since the block cipher, the contents with the iv member of normalizedAlgorithm since the IV input parameter plus the contents of ciphertext as being the input ciphertext.
In case go to website the "ext" field of jwk is current and has the value Wrong and extractable is real, then throw a DataError. Enable hash become a be described as a string whose First value is undefined. Should the "alg" area of jwk is not really existing: Let hash be undefined. If your "alg" industry is equal to the string "RS1": Enable hash be the string "SHA-one". In case the "alg" area is equal towards the string "RS256": Enable hash be the string "SHA-256". In case the "alg" area is equivalent for the string "RS384": Let hash be the string "SHA-384". When the "alg" subject is equivalent to the string "RS512": Enable hash be the string "SHA-512". Otherwise:
Let result web certainly be a boolean with value true if the result of the Procedure was "valid signature" and the value Phony usually. Return final result.