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SecPkgContext_ConnectionInfo (Windows CE 5.0)

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This structure contains protocol and cipher information. It is used by the QueryContextAttributes function.

typedef struct _SecPkgContext_ConnectionInfo { DWORDdwProtocol;ALG_IDaiCipher;DWORDdwCipherStrength;ALG_IDaiHash;DWORDdwHashStrength;ALG_ID aiExch;DWORDdwExchStrength;} SecPkgContext_ConnectionInfo, *PSecPkgContext_ConnectionInfo;

Members

  • dwProtocol
    Specifies the protocol used to establish this connection. The following table shows valid constants for this member.
    Value Description
    SP_PROT_TLS1_CLIENT Transport Layer Security 1.0 client-side.
    SP_PROT_TLS1_SERVER Transport Layer Security 1.0 server-side.
    SP_PROT_SSL3_CLIENT Secure Sockets Layer 3.0 client-side.
    SP_PROT_SSL3_SERVER Secure Sockets Layer 3.0 server-side.
    SP_PROT_SSL2_CLIENT Secure Sockets Layer 2.0 client-side. Superseded by SP_PROT_TLS1_CLIENT.
    SP_PROT_SSL2_SERVER Secure Sockets Layer 2.0 server-side. Superseded by SP_PROT_TLS1_SERVER.
  • aiCipher
    Algorithm identifier (ALG_ID) for the bulk encryption cipher used by this connection. The following table shows the valid constants for this member.
    Value Description
    CALG_RC2 RC2 block encryption algorithm.
    CALG_RC4 RC4 stream encryption algorithm.
    CALG_DES DES encryption algorithm.
    CALG_SKIPJACK Skipjackblock encryption algorithm (FORTEZZA).
    0 (Zero) No encryption.
  • dwCipherStrength
    Specifies the strength of the bulk encryption cipher, in bits. Can be one of the following values: 0, 40, 56, 80, 128, or 168.
  • aiHash
    ALG_ID indicating the hash used for generating message authentication codes (MACs). The following table describes the valid constants for this member.
    Value Description
    CALG_MD5 MD5 hashing algorithm.
    CALG_SHA SHA hashing algorithm.
  • dwHashStrength
    Specifies the strength of the hash, in bits: 128 or 160.
  • aiExch
    ALG_ID indicating the key exchange algorithm used to generate the shared master secret. The following table describes the valid constants for this member.
    Value Description
    CALG_RSA_KEYX RSA key exchange.
    CALG_DH_EPHEM Diffie-Hellman (DH) key exchange.
    CALG_EXCH_KEA FORTEZZA.
  • dwExchStrength
    Specifies the strength of the key exchange, in bits. Typically, this member contains one of the following values: 512, 768, 1024, or 2048.

Requirements

OS Versions: Windows CE .NET 4.2 and later.
Header: Schnlsp.h.

See Also

QueryContextAttributes

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