[HTTPS] protonmail.ch (Sun, 01 Dec 2019 20:07:21 +0000)

protonmail.ch - 185.70.40.181 : 443

Scores A+
Protocol
100 / 100
Key exchange
100 / 100
Cipher
90 / 100
Overall
96.0 / 100
Protocols TLSv1_2
Keys

Certificats: RSA 4096 bits

Diffie Hellman : ECC 256 bits DH 3072 bits

Good practices PFS HSTS HSTS_LONG
Name Key exchange Authentication Encryption MAC PFS
Type Key size Type Key size Type Key size Block size Mode Type Size
TLSv1_2
  DHE-RSA-AES256-GCM-SHA384 DH 3072 RSA 4096 AES 256 128 GCM SHA384 384 PFS
  ECDHE-RSA-AES256-GCM-SHA384 ECDH 256 RSA 4096 AES 256 128 GCM SHA384 384 PFS
  ECDHE-RSA-CHACHA20-POLY1305 ECDH 256 RSA 4096 CHACHA20 256 POLY1305 128 PFS
  DHE-RSA-AES128-GCM-SHA256 DH 3072 RSA 4096 AES 128 128 GCM SHA256 256 PFS
  ECDHE-RSA-AES128-GCM-SHA256 ECDH 256 RSA 4096 AES 128 128 GCM SHA256 256 PFS