73 lines
2.0 KiB
TypeScript
73 lines
2.0 KiB
TypeScript
export type WASM_ptr = number;
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export type WASM_NUMBER = "i8" | "i16" | "i32" | "i64" | "float" | "double";
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export declare interface WASMExportedRuntime {
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/**
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* Emscripten HEAP, use this for raw memory access.
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* @type {Uint8Array}
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*/
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HEAPU8: Uint8Array;
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/**
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* Allocate a block of {@link size} bytes of memory in Emscripten HEAP
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* @param size Size of the memory block, in bytes.
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* @returns {WASM_ptr} Returns a pointer to the beginning of the block.
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*/
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_malloc(size: number): WASM_ptr;
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/**
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* Free an allocated block of memory.
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* @param ptr Pointer to a memory block previously allocated with `malloc`.
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*/
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_free(ptr: WASM_ptr): void;
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/**
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* Write an uint8 array to the Emscripten HEAP.
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* @param data Data to be written inside the Emscripten HEAP.
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* @param bufferPointer Address pointer
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*/
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writeArrayToMemory(data: Uint8Array, bufferPointer: WASM_ptr): void;
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}
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export declare interface QmcCrypto extends WASMExportedRuntime {
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/**
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* Get error.
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*/
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getErr(): string;
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/**
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* Get song id.
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*/
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getSongId(): string;
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/**
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* Decryption preparations using the end-of-file buffer.
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* @param blob WASM ptr points to the beginning of the end-of-file buffer.
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* @param blobSize size of {@link blob}.
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* @param ext extension of the _original file_.
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*/
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preDec(
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blob: WASM_ptr,
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blobSize: number,
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ext: string
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): number;
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/**
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* Decrypt a block.
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* @param blob Pointer to buffer allocated using {@link _malloc}.
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* Data can be written here using {@link writeArrayToMemory}.
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* @param size Size of the provided buffer.
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* @param offset Offset of the buffer from _original file_.
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* This parameter is _required_ to derive correct key.
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*/
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decBlob(
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blob: WASM_ptr,
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blobSize: number,
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offset: number
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): number;
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}
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/**
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* Factory to initialise QmcCryptoModule.
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*/
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export default function QmcCryptoModule(): Promise<QmcCrypto>; |