src/vs/platform/extensionManagement/node/extensionDownloader.ts/ExtensionsDownloader/checkForVerification
class ExtensionsDownloader:	private async checkForVerification(extension: IGalleryExtension): Promise<boolean> {
		if (!extension.isSigned) {
			return false;
		}
		const targetPlatform = await this.targetPlatform;
		// Signing module has issue in this platform - https://github.com/microsoft/vscode/issues/164726
		if (targetPlatform === TargetPlatform.LINUX_ARMHF) {
			return false;
		}
		const value = this.configurationService.getValue('extensions.verifySignature');
		if (isBoolean(value)) {
			return value;
		}
		return this.productService.quality !== 'stable';
	}