The following table details the encryption types used in Safeguard Authentication Services.
| Encryption types | Specification | Active Directory version | Safeguard Authentication Services version |
|---|---|---|---|
| KERB_ENCTYPE_DES_CBC_CRC | |||
| CRC32 | RFC 3961 | All | All |
| KERB_ENCTYPE_DES_CBC_MD5 | |||
| RSA-MD5 | RFC 3961 | All | All |
| KERB_ENCTYPE_RC4_HMAC_MD5 | |||
| RC4-HMAC-MD5 | RFC 4757 | All | All |
| KERB_ENCTYPE_AES128_CTS_HMAC_SHA1_96 | |||
| HMAC-SHA1-96-AES128 | RFC 3961 | Windows Server 2008 + | 3.3.2+ |
| KERB_ENCTYPE_AES256_CTS_HMAC_SHA1_96 | |||
| HMAC-SHA1-96-AES256 | RFC 3961 | Windows Server 2008 + | 3.3.2+ |