export declare function getSubtle(): Promise<SubtleCrypto>;
export declare function subtleCryptoProxy(): Promise<SubtleCrypto>;
export declare function importKey(keytype: string, scheme: string, key: string): Promise<CryptoKey>;
export declare function verifySignature(key: CryptoKey, signed: Uint8Array, sig: Uint8Array, hash?: string): Promise<boolean>;
export declare function verifySignatureOverDigest(key: CryptoKey, digest: Uint8Array, sig: Uint8Array): Promise<boolean>;
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