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      1 
      2 /*
      3  * Licensed Materials - Property of IBM
      4  *
      5  * trousers - An open source TCG Software Stack
      6  *
      7  * (C) Copyright International Business Machines Corp. 2006
      8  *
      9  */
     10 
     11 #ifndef DAA_PARAMETER_H_
     12 #define DAA_PARAMETER_H_
     13 
     14 // for message digest
     15 //#include <openssl/evp.h>
     16 #include "trousers/tss.h"
     17 //#include "spi_internal_types.h"
     18 #include "spi_utils.h"
     19 
     20 #define DAA_PARAM_TSS_VERSION_LENGTH (4)
     21 static const BYTE DAA_PARAM_TSS_VERSION[] =  { 1, 2, 0, 0 };
     22 
     23 #define DAA_PARAM_DEFAULT_CRYPTO_PROVIDER_NAME "BC"
     24 
     25 // Name of default hash function
     26 #define DAA_PARAM_MESSAGE_DIGEST_ALGORITHM "SHA1"
     27 
     28 //  Name of hash function used independently in TSS
     29 #define DAA_PARAM_MESSAGE_DIGEST_ALGORITHM_TSS "SHA1"
     30 
     31 // l_n (bits)
     32 #define DAA_PARAM_SIZE_RSA_MODULUS (2048)
     33 
     34 // l_f (bits)
     35 #define DAA_PARAM_SIZE_F_I (104)
     36 
     37 // l_q  (2 * SIZE_F_I)
     38 #define DAA_PARAM_SIZE_RHO (208)
     39 
     40 // l_e
     41 #define DAA_PARAM_SIZE_EXPONENT_CERTIFICATE (368)
     42 
     43 // lPrime_e
     44 #define DAA_PARAM_SIZE_INTERVAL_EXPONENT_CERTIFICATE (120)
     45 
     46 // l_zero
     47 #define DAA_PARAM_SAFETY_MARGIN (80)
     48 
     49 //  Byte length of TPM message digest (sha-1)
     50 #define DAA_PARAM_LENGTH_MESSAGE_DIGEST (20)
     51 
     52 //  Byte length of TSS message digest (sha-256)
     53 #define DAA_PARAM_LENGTH_MESSAGE_DIGEST_TSS (32)
     54 
     55 //  l_H depends on the message digest algo
     56 #define DAA_PARAM_SIZE_MESSAGE_DIGEST (160)
     57 // 8 * LENGTH_MESSAGE_DIGEST;
     58 
     59 //   l_GAMMA
     60 #define DAA_PARAM_SIZE_MODULUS_GAMMA (1632)
     61 
     62 #define DAA_PARAM_SIZE_SPLIT_EXPONENT (1024)
     63 
     64 // TPM asym key size (bits)
     65 #define DAA_PARAM_KEY_SIZE (2048)
     66 
     67 //  Default RSA public key exponent (Fermat 4)
     68 #define DAA_PARAM_LENGTH_MFG1_ANONYMITY_REVOCATION (25)
     69 // (SIZE_RHO-1)/8;
     70 
     71 #define DAA_PARAM_LENGTH_MFG1_GAMMA (214)
     72 // (SIZE_MODULUS_GAMMA + SIZE_SAFETY_MARGIN)/8;
     73 
     74 #define DAA_PARAM_SIZE_RND_VALUE_CERTIFICATE (2536)
     75 
     76 // (bits)
     77 #define DAA_PARAM_SIZE_RANDOMIZED_ATTRIBUTES (DAA_PARAM_SIZE_F_I+DAA_PARAM_SAFETY_MARGIN+DAA_PARAM_SIZE_MESSAGE_DIGEST)
     78 
     79 #define TSS_FLAG_DAA_SIGN_IDENTITY_KEY 0
     80 #define TSS_FLAG_DAA_SIGN_MESSAGE_HASH 1
     81 
     82 
     83 extern EVP_MD *DAA_PARAM_get_message_digest(void);
     84 
     85 extern char *err_string(TSS_RESULT r);
     86 
     87 #endif /*DAA_PARAMETER_H_*/
     88