S/MIMEv3 Algorithm Support
Content encryption algorithms
- Senders and receivers MUST support Triple DES
- Receivers SHOULD support RC2 and RC4
Key encryption algorithms
- Senders and receivers MUST support Diffie-Hellman
- Receivers SHOULD support RSA
Hash algorithms
- Senders and receivers MUST support SHA-1
- Receivers SHOULD support MD5
Signature Algorithms
- Senders and receivers MUST support DSA
- Receivers SHOULD support RSA