43 // This function is used by TPM2_ECC_Decrypt and TPM2_ECC_Encrypt.  It sets scheme
44 // either the input scheme or the key scheme. If they key scheme is not TPM_ALG_NULL
45 // then the input scheme must be TPM_ALG_NULL or the same as the key scheme. If
48 //      TRUE        'scheme' is set
49 //      FALSE       'scheme' is not valid (it may have been changed).
52     OBJECT              *key,           //IN: key containing default scheme  in CryptEccSelectScheme()
53     TPMT_KDF_SCHEME     *scheme         // IN: a decrypt scheme  in CryptEccSelectScheme()  argument
59     if(scheme->scheme == TPM_ALG_NULL)  in CryptEccSelectScheme()
60         *scheme = *keyScheme;  in CryptEccSelectScheme()
61     if(keyScheme->scheme == TPM_ALG_NULL)  in CryptEccSelectScheme()
62         keyScheme = scheme;  in CryptEccSelectScheme()
63     return (scheme->scheme != TPM_ALG_NULL &&  in CryptEccSelectScheme()
64                 (keyScheme->scheme == scheme->scheme  in CryptEccSelectScheme()
65             && keyScheme->details.anyKdf.hashAlg == scheme->details.anyKdf.hashAlg));  in CryptEccSelectScheme()
71 //This function performs ECC-based data obfuscation. The only scheme that is currently
76 //      TPM_RC_SCHEME           'scheme' is not supported
81     TPMT_KDF_SCHEME         *scheme,        // IN: scheme to use.  in CryptEccEncrypt()  argument
116     if (TPM_ALG_KDF2 != scheme->scheme)  in CryptEccEncrypt()
128     if (0 == CryptHashStart(&hashState, scheme->details.mgf1.hashAlg))  in CryptEccEncrypt()
139                            scheme->details.mgf1.hashAlg, z.t.size, z.t.buffer, 1);  in CryptEccEncrypt()
153 //      TPM_RC_SCHEME           'scheme' is not supported
159     TPMT_KDF_SCHEME         *scheme,        // IN: scheme to use.  in CryptEccDecrypt()  argument
180     if (TPM_ALG_KDF2 != scheme->scheme)  in CryptEccDecrypt()
187     if (0 == CryptHashStart(&hashState, scheme->details.mgf1.hashAlg))  in CryptEccDecrypt()
196                                   scheme->details.mgf1.hashAlg, z.t.size,  in CryptEccDecrypt()