Microsoft DSS and Diffie-Hellman Cryptographic Provider (Compact 2013)
3/28/2014
The Microsoft Base DSS and Diffie-Hellman Cryptographic Provider supports Diffie-Hellman (D-H) key exchange, SHA hashing, DSS data signing, and DSS signature verification. This cryptographic provider can be exported to other countries or regions.
Provider Type: PROV_DSS_DH
Provider Name: MS_ENH_DSS_DH_PROV
The following table shows the algorithms supported by the Microsoft DSS and Diffie-Hellman Cryptographic Provider.
Algorithm ID |
Description |
Comments |
|---|---|---|
CALG_RC4 |
RC4 stream encryption algorithm |
Default key length: 128 bits. Salt length: 88 bits. |
CALG_RC5 |
RC5 block encryption algorithm |
Key length: 128 bits. No salt allowed. |
CALG_DES |
DES encryption |
DES encryption key length: 56 bits. Default mode: cipher block chaining. Block size: 64 bits. No salt allowed. |
CALG_3DES |
Triple DES |
Key Length: 168 bits. Default mode: cipher block chaining. Block size: 64 bits. No salt allowed. |
CALG_MD5 |
MD5 hashing algorithm. |
Provided only for hashing. |
CALG_SHA |
SHA hashing algorithm. |
Must be used for DSS signatures. |
CALG_SHA1 |
Same as CALG_SHA. |
No comment. |
CALG_DSS_SIGN |
DSS public/private-key signature algorithm. |
Key length: can be set, 512 bits to 1,024 bits in 64 bit increments. Default key length: 1,024 bits. |
CALG_DH_SF |
Store and Forward D-H key exchange. |
Key length: can be set, 384 bits to 512 bits in 8 bit increments. Default key length: 512 bits. |
CALG_DH_EPHEM |
Ephemeral D-H key exchange. |
Key length: can be set, 384 bits to 512 bits in 8 bit increments. Default key length: 512 bits. |