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The Microsoft Enhanced Cryptographic Provider supports the following algorithms.
| Algorithm ID | Description | Comments |
|---|---|---|
| CALG_3DES | Triple DES. | Key length: 168 bits.Default mode: Cipher block chaining. Block size: 64 bits. No salt allowed. |
| CALG_3DES_112 | Two-key triple DES encryption. | Key length: 112 bits.Default mode: Cipher block chaining. Block size: 64 bits. No salt allowed. |
| CALG_DES | DES encryption. | Key length: 56 bits.Default mode: Cipher block chaining. Block size: 64 bits. No salt allowed. |
| CALG_HMAC | MAC keyed-hash algorithm. | HMAC computation. |
| CALG_MAC | Message Authentication Code (MAC) keyed hash algorithm. | Block cipher MAC. |
| CALG_MD2 | MD2 hashing algorithm. | For more information, see MD2 algorithm. |
| CALG_MD5 | MD5 hashing algorithm. | For more information, see MD5 algorithm. |
| CALG_RC2 | RC2 block encryption algorithm. | Key length: 128 bits.Default mode: Cipher block chaining. Block size: 64 bits. Salt length: Can be set. |
| CALG_RC4 | RC4 stream encryption algorithm. | Key length: 128 bits.Salt length: Can be set. |
| CALG_RSA_KEYX | RSA public key exchange algorithm. | Key length: Can be set, 384 bits to 16,384 bits in 8-bit increments. Default key length: 1,024 bits. |
| CALG_RSA_SIGN | RSA public key signature algorithm. | Key length: Can be set, 384 bits to 16,384 bits in 8-bit increments. Default key length: 1,024 bits. Signature conforms to PKCS #6. |
| CALG_SHA | SHA hashing algorithm. | For more information, see Secure Hash Algorithm. |
| CALG_SHA1 | Same as CALG_SHA. | For more information, see Secure Hash Algorithm. |
| CALG_SSL3_SHAMD5 | SSL3 client authentication algorithm. | For more information, see Creating a CALG_SSL3_SHAMD5 Hash. |