npm install @siva7170/inw-secure-random-generator

import { SecureRandomGenerator } from '@siva7170/secure-random-generator/ngx';

 providers: [{ provide: RouteReuseStrategy, useClass: IonicRouteStrategy }, ... ,SecureRandomGenerator],

 constructor(
    private secureRandGenerator:SecureRandomGenerator,
    ...
    ...
    ...
  ) { ... }

// RAND_NUMBER, RAND_ALPHA, RAND_ALPHANUMERIC, RAND_ALPHANUMERICSYMBOL

this.secureRandGenerator.generateSecureRandom(10,'RAND_ALPHANUMERIC').then((res)=>{
      console.log('myRand',res);
},(err)=>{
      console.log('myRand [err]: ',err);
});

ionic cordova plugin add @siva7170/icp-secure-random-generator