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Base Provider Algorithms

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The Microsoft Base Cryptographic Provider supports the following algorithms.

Algorithm ID Description Comments
CALG_MD2
 MD2 hashing algorithm
 For more information, see MD2 algorithm.
CALG_MD5
 MD5 hashing algorithm
 For more information, see MD5 algorithm.
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_MAC
 Message Authentication Code (MAC) keyed-hash algorithm
 Block cipher MAC.
CALG_HMAC
 MAC keyed-hash algorithm
 HMAC computation.
CALG_SSL3_SHAMD5
 SLL3 client authentication algorithm
 For more information, see Creating a CALG_SSL3_SHAMD5 Hash.
CALG_RSA_SIGN
 RSA public key signature algorithm
 Key length: can be set from 384 bits to 16,384 bits in 8-bit increments.
Default key length: 512 bits.
Signature conforms to PKCS #6.
CALG_RSA_KEYX
 RSA public key exchange algorithm
 Key length: can be set from 384 bits to 1024 bits in 8-bit increments.
Default key length: 512 bits.
CALG_RC2
 RC2 block encryption algorithm
 Key length: 40 bits.
Default mode: Cipher block chaining.
Block size: 64 bits.
Salt length: 88 bits.
CALG_RC4
 RC4 stream encryption algorithm
 Key length: 40 bits.
Salt length: 88 bits.
CALG_DES
 DES encryption
 For more information, see Data Encryption Standard (DES).