erreur openssl au demarage d'un projet laravel

Bonjour,

Voila je rencontre un petit problème avec mon code.

je veux commencer un projet avec laravel

j'obtient un erreur quand j'essais de creer un projet laravel avec mon terminal.
j'utilise wamp 3.1.~
commande utiliser : composer create-project --prefer-dist laravel/laravel nomProjet

Ce que j'obtiens

C:\Users\USER>cd C:\Users\USER\Documents\projetLaravel

C:\Users\USER\Documents\projetLaravel>composer create-project --prefer-dist laravel/laravel myLaravel2
Installing laravel/laravel (v5.4.30)

• Installing laravel/laravel (v5.4.30): Loading from cache
  Created project in myLaravel2

  php -r "file_exists('.env') || copy('.env.example', '.env');"
  Loading composer repositories with package information
  Updating dependencies (including require-dev)
  Package operations: 61 installs, 0 updates, 0 removals

• Installing doctrine/inflector (v1.1.0): Loading from cache

• Installing symfony/polyfill-mbstring (v1.8.0): Loading from cache

• Installing symfony/var-dumper (v3.4.12): Loading from cache

• Installing psr/log (1.0.2): Loading from cache

• Installing symfony/debug (v3.4.12): Loading from cache

• Installing symfony/console (v3.4.12): Loading from cache

• Installing nikic/php-parser (v3.1.5): Loading from cache

• Installing jakub-onderka/php-console-color (0.1): Loading from cache

• Installing jakub-onderka/php-console-highlighter (v0.3.2): Loading from cache

• Installing dnoegel/php-xdg-base-dir (0.1): Loading from cache

• Installing psy/psysh (v0.9.6): Loading from cache

• Installing vlucas/phpdotenv (v2.5.0): Loading from cache

• Installing symfony/css-selector (v3.4.12): Loading from cache

• Installing tijsverkoyen/css-to-inline-styles (2.2.1): Loading from cache

• Installing symfony/routing (v3.4.12): Loading from cache

• Installing symfony/process (v3.4.12): Loading from cache

• Installing paragonie/random_compat (v2.0.17): Downloading (failed)
  Downloading (failed)
  Downloading (failed) Failed to download paragonie/random_compat from dist: The "https://api.github.com/repos/paragonie/random_compat/zipball/29af24f25bab834fcbb38ad2a69fa93b867e070d" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages:
  error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
  Failed to enable crypto
  failed to open stream: operation failed
  Now trying to download from source

• Installing paragonie/random_compat (v2.0.17): Cloning 29af24f25b

  [RuntimeException]
  Failed to clone <a href="https://github.com/paragonie/random_compat.git" target="_blank">https://github.com/paragonie/random_compat.git</a> via https, ssh protocols, aborting.

• <a href="https://github.com/paragonie/random_compat.git" target="_blank">https://github.com/paragonie/random_compat.git</a>
  Cloning into 'C:\Users\USER\Documents\projetLaravel\myLaravel2\vendor\paragonie\random_compat'...
  fatal: unable to access 'https://github.com/paragonie/random_compat.git/': SSL certificate problem: self signed c
  ertificate in certificate chain

• <a href="mailto:git@github.com:paragonie/random_compat.git">git@github.com:paragonie/random_compat.git</a>
  Cloning into 'C:\Users\USER\Documents\projetLaravel\myLaravel2\vendor\paragonie\random_compat'...
  Host key verification failed.
  fatal: Could not read from remote repository.

  Please make sure you have the correct access rights
  and the repository exists.

create-project [-s|--stability STABILITY] [--prefer-source] [--prefer-dist] [--repository REPOSITORY] [--repository-url REPOSITORY-URL] [--dev] [--no-dev] [--no-custom-installers] [--no-scripts] [--no-progress] [--no-secure-http] [--keep-vcs] [--remove-vcs] [--no-install] [--ignore-platform-reqs] [--] [<package>] [<directory>] [<version>]