IO Wallet SDK
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    Function extractEncryptionJwkFromJwks

    • Selects an encryption JWK from a JWKS.

      Selection prefers an explicit kid, then keys whose alg is supported, then keys marked for encryption or not explicitly marked for signatures.

      Parameters

      • jwks: {
            keys: {
                alg?: string;
                crv?: string;
                d?: string;
                dp?: string;
                dq?: string;
                e?: string;
                ext?: boolean;
                k?: string;
                key_ops?: string[];
                kid?: string;
                kty: string;
                n?: string;
                oth?: { d?: string; r?: string; t?: string; [key: string]: unknown }[];
                p?: string;
                q?: string;
                qi?: string;
                use?: string;
                x?: string;
                x5c?: string[];
                x5t?: string;
                "x5t#S256"?: string;
                x5u?: string;
                y?: string;
                [key: string]: unknown;
            }[];
            [key: string]: unknown;
        }

        JSON Web Key Set to search.

      • options: { kid?: string; supportedAlgValues?: string[] }

        Optional selection constraints.

        • Optionalkid?: string

          Key ID to select directly.

        • OptionalsupportedAlgValues?: string[]

          Encryption algorithms accepted by the caller.

      Returns
          | {
              alg?: string;
              crv?: string;
              d?: string;
              dp?: string;
              dq?: string;
              e?: string;
              ext?: boolean;
              k?: string;
              key_ops?: string[];
              kid?: string;
              kty: string;
              n?: string;
              oth?: { d?: string; r?: string; t?: string; [key: string]: unknown }[];
              p?: string;
              q?: string;
              qi?: string;
              use?: string;
              x?: string;
              x5c?: string[];
              x5t?: string;
              "x5t#S256"?: string;
              x5u?: string;
              y?: string;
              [key: string]: unknown;
          }
          | undefined

      Matching encryption JWK, or the first available key when no better match exists.

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