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/********************************************************************************************
* KEY PAIR WITH PROOF
********************************************************************************************/
int
save_KEY_PAIR_WITH_PROOF(FILE *file,
KEY_PAIR_WITH_PROOF_internal *key_pair_with_proof)
{
save_DAA_PK_internal( file, key_pair_with_proof->pk);
save_DAA_PRIVATE_KEY( file, key_pair_with_proof->private_key);
save_DAA_PK_PROOF_internal( file, key_pair_with_proof->proof);
return 0;
}
KEY_PAIR_WITH_PROOF_internal *
load_KEY_PAIR_WITH_PROOF(FILE *file)
{
KEY_PAIR_WITH_PROOF_internal *key_pair_with_proof =
(KEY_PAIR_WITH_PROOF_internal *)malloc(sizeof(KEY_PAIR_WITH_PROOF_internal));
key_pair_with_proof->pk = load_DAA_PK_internal(file);
key_pair_with_proof->private_key = load_DAA_PRIVATE_KEY(file);
key_pair_with_proof->proof = load_DAA_PK_PROOF_internal(file);
return key_pair_with_proof;
}
int
save_DAA_PK_internal(FILE *file, const TSS_DAA_PK_internal *pk_internal)
{
char *buffer;
LogDebug("-> save_DAA_PK_internal");
BI_SAVE( pk_internal->modulus, file);
BI_SAVE( pk_internal->capitalS, file);
BI_SAVE( pk_internal->capitalZ, file);
BI_SAVE( pk_internal->capitalR0, file);
BI_SAVE( pk_internal->capitalR1, file);
BI_SAVE( pk_internal->gamma, file);
BI_SAVE( pk_internal->capitalGamma, file);
BI_SAVE( pk_internal->rho, file);
BI_SAVE_ARRAY( pk_internal->capitalRReceiver, file);
BI_SAVE_ARRAY( pk_internal->capitalRIssuer, file);
fprintf( file, "%d\n", pk_internal->issuerBaseNameLength);
buffer = (char *)malloc( pk_internal->issuerBaseNameLength + 1);
memcpy( buffer, pk_internal->issuerBaseName, pk_internal->issuerBaseNameLength);
buffer[ pk_internal->issuerBaseNameLength] = 0;
fprintf( file, "%s\n", buffer);
free( buffer);
LogDebug("<- save_DAA_PK_internal");
return 0;
}
TSS_DAA_PK_internal *
load_DAA_PK_internal(FILE *file)
{
TSS_DAA_PK_internal *pk_internal =
(TSS_DAA_PK_internal *)malloc(sizeof(TSS_DAA_PK_internal));
char *read_buffer;
pk_internal->modulus = bi_new_ptr();
BI_LOAD( pk_internal->modulus, file);
pk_internal->capitalS = bi_new_ptr();
BI_LOAD( pk_internal->capitalS, file);
pk_internal->capitalZ = bi_new_ptr();
BI_LOAD( pk_internal->capitalZ, file);
pk_internal->capitalR0 = bi_new_ptr();
BI_LOAD( pk_internal->capitalR0, file);
pk_internal->capitalR1 = bi_new_ptr();
BI_LOAD( pk_internal->capitalR1, file);
pk_internal->gamma = bi_new_ptr();
BI_LOAD( pk_internal->gamma, file);
pk_internal->capitalGamma = bi_new_ptr();
BI_LOAD( pk_internal->capitalGamma, file);
pk_internal->rho = bi_new_ptr();
BI_LOAD( pk_internal->rho, file);
pk_internal->capitalRReceiver = ALLOC_BI_ARRAY();
BI_LOAD_ARRAY( pk_internal->capitalRReceiver, file);
pk_internal->capitalRIssuer = ALLOC_BI_ARRAY();
BI_LOAD_ARRAY( pk_internal->capitalRIssuer, file);
pk_internal->capitalY = ALLOC_BI_ARRAY();
populate_capitalY( pk_internal);
pk_internal->issuerBaseNameLength = read_int( file);
read_buffer = read_str( file);
pk_internal->issuerBaseName = malloc( pk_internal->issuerBaseNameLength);
memcpy( pk_internal->issuerBaseName, read_buffer, pk_internal->issuerBaseNameLength);
compute_capitalSprime( pk_internal);
return pk_internal;
}
int
save_DAA_PK_PROOF_internal(FILE *file, TSS_DAA_PK_PROOF_internal *proof)
{
int i;
#ifdef DAA_DEBUG
printf("save_DAA_PK_PROOF_internal");
#endif
fprintf(file, "%d # %s.length\n", proof->length_challenge, "challenge");
fprintf(file, "%s\n", dump_byte_array( proof->length_challenge,
proof->challenge));
fprintf(file, "%d # %s.length\n", proof->length_response, "response");
for (i = 0; i < proof->length_response; i++) {
BI_SAVE_ARRAY( proof->response[i], file);
}
return 0;
}
/* load <proof> using <filename> */
/* allocation of: */
/* proof->challenge (BYTE*) */
/* response (bi_array_ptr) */
TSS_DAA_PK_PROOF_internal *
load_DAA_PK_PROOF_internal(FILE *file)
{
TSS_DAA_PK_PROOF_internal *proof =
(TSS_DAA_PK_PROOF_internal *)malloc(sizeof(TSS_DAA_PK_PROOF_internal));
char *read_buffer;
int i;
#ifdef DAA_DEBUG
printf("load_DAA_PK_PROOF_internal");
#endif
proof->length_challenge = read_int( file);
read_buffer = read_str( file);
proof->challenge = retrieve_byte_array( &(proof->length_challenge),read_buffer);
proof->length_response = read_int( file);
proof->response = (bi_array_ptr *)malloc( sizeof(bi_array_ptr) * proof->length_response);
for (i = 0; i < proof->length_response; i++) {
proof->response[i] = ALLOC_BI_ARRAY();
BI_LOAD_ARRAY( proof->response[i], file);
}
return proof;
}
TSS_DAA_CRED_ISSUER *
load_TSS_DAA_CRED_ISSUER(FILE *file)
{
TSS_DAA_CRED_ISSUER *credential =
(TSS_DAA_CRED_ISSUER *)malloc(sizeof(TSS_DAA_CRED_ISSUER));
char *read_buffer;
int i, len;
init_tss_version( credential);
credential->capitalALength = read_int( file);
read_buffer = read_str( file);
credential->capitalA = retrieve_byte_array( &(credential->capitalALength),
read_buffer);
credential->eLength = read_int( file);
read_buffer = read_str( file);
credential->e = retrieve_byte_array( &(credential->eLength),read_buffer);
credential->vPrimePrimeLength = read_int( file);
read_buffer = read_str( file);
credential->vPrimePrime = retrieve_byte_array(&(credential->vPrimePrimeLength),
read_buffer);
// attributes issuer
credential->attributesIssuerLength = read_int( file);
credential->attributesIssuer = malloc(credential->attributesIssuerLength*sizeof(BYTE*));
for( i=0; i < (int)credential->attributesIssuerLength; i++) {
credential->attributesIssuer[i] = retrieve_byte_array( &len, read_buffer);
}
credential->cPrimeLength = read_int( file);
read_buffer = read_str( file);
credential->cPrime = retrieve_byte_array( &(credential->cPrimeLength),read_buffer);
credential->sELength = read_int( file);
read_buffer = read_str( file);
credential->sE = retrieve_byte_array( &(credential->sELength),read_buffer);
return credential;
}
int
save_TSS_DAA_CRED_ISSUER(FILE *file, TSS_DAA_CRED_ISSUER *credential)
{
int i;
fprintf(file, "%d # %s.length\n", credential->capitalALength, "capitalA");
fprintf(file, "%s\n", dump_byte_array( credential->capitalALength,
credential->capitalA));
fprintf(file, "%d # %s.length\n", credential->eLength, "e");
fprintf(file, "%s\n", dump_byte_array( credential->eLength,
credential->e));
fprintf(file, "%d # %s.length\n", credential->vPrimePrimeLength, "vPrimePrime");
fprintf(file, "%s\n", dump_byte_array( credential->vPrimePrimeLength,
credential->vPrimePrime));
fprintf(file, "%d # %s\n", credential->attributesIssuerLength, "attributesIssuerLength");
for( i=0; i < (int)credential->attributesIssuerLength; i++) {
fprintf(file, "%s\n", dump_byte_array( DAA_PARAM_SIZE_F_I / 8,
credential->attributesIssuer[i]));
}
fprintf(file, "%d # %s.length\n", credential->cPrimeLength, "cPrime");
fprintf(file, "%s\n", dump_byte_array( credential->cPrimeLength,
credential->cPrime));
fprintf(file, "%d # %s.length\n", credential->sELength, "sE");
fprintf(file, "%s\n", dump_byte_array( credential->sELength,
credential->sE));
return 0;
}
TSS_DAA_CREDENTIAL *
load_TSS_DAA_CREDENTIAL(FILE *file)
{
TSS_DAA_CREDENTIAL *credential =
(TSS_DAA_CREDENTIAL *)malloc(sizeof(TSS_DAA_CREDENTIAL));
char *read_buffer;
int i, len;
TSS_DAA_PK_internal *pk_internal;
TSS_DAA_PK *pk;
init_tss_version( credential);
credential->capitalALength = read_int( file);
read_buffer = read_str( file);
credential->capitalA = retrieve_byte_array( &(credential->capitalALength),
read_buffer);
credential->exponentLength = read_int( file);
read_buffer = read_str( file);
credential->exponent = retrieve_byte_array( &(credential->exponentLength),
read_buffer);
credential->vBar0Length = read_int( file);
read_buffer = read_str( file);
credential->vBar0 = retrieve_byte_array(&(credential->vBar0Length),
read_buffer);
credential->vBar1Length = read_int( file);
read_buffer = read_str( file);
credential->vBar1 = retrieve_byte_array(&(credential->vBar1Length),
read_buffer);
// attributes issuer
credential->attributesLength = read_int( file);
printf("attributesLength=%d\n", credential->attributesLength);
credential->attributes = malloc(credential->attributesLength * sizeof( BYTE *));
for( i=0; i < (int)credential->attributesLength; i++) {
read_buffer = read_str( file);
credential->attributes[i] = retrieve_byte_array( &len, read_buffer);
if( len != DAA_PARAM_SIZE_F_I / 8) {
LogError("Error when parsing attributes");
LogError("\tattribute length:%d", len);
LogError("\texpected length:%d", DAA_PARAM_SIZE_F_I / 8);
return NULL;
}
}
pk_internal = load_DAA_PK_internal( file);
pk = i_2_e_TSS_DAA_PK( pk_internal, &normal_malloc, (TSS_HOBJECT)NULL);
memcpy( &(credential->issuerPK), pk, sizeof(TSS_DAA_PK));
free( pk);
free_TSS_DAA_PK_internal( pk_internal);
credential->tpmSpecificEncLength = read_int( file);
read_buffer = read_str( file);
credential->tpmSpecificEnc = retrieve_byte_array( &(credential->tpmSpecificEncLength),
read_buffer);
credential->daaCounter = read_int( file);
return credential;
}
int
save_TSS_DAA_CREDENTIAL(FILE *file,
TSS_DAA_CREDENTIAL *credential)
{
int i;
TSS_DAA_PK_internal *pk_internal;
fprintf(file, "%d # %s.length\n", credential->capitalALength, "capitalA");
fprintf(file, "%s\n", dump_byte_array( credential->capitalALength,
credential->capitalA));
fprintf(file, "%d # %s.length\n", credential->exponentLength, "exponent");
fprintf(file, "%s\n", dump_byte_array( credential->exponentLength,
credential->exponent));
fprintf(file, "%d # %s.length\n", credential->vBar0Length, "vBar0");
fprintf(file, "%s\n", dump_byte_array( credential->vBar0Length,
credential->vBar0));
fprintf(file, "%d # %s.length\n", credential->vBar1Length, "vBar1");
fprintf(file, "%s\n", dump_byte_array( credential->vBar1Length,
credential->vBar1));
fprintf(file, "%d # %s\n", credential->attributesLength, "attributesLength");
for( i=0; i < (int)credential->attributesLength; i++) {
fprintf(file, "%s\n", dump_byte_array( DAA_PARAM_SIZE_F_I / 8,
credential->attributes[i]));
}
pk_internal = e_2_i_TSS_DAA_PK( &(credential->issuerPK) );
save_DAA_PK_internal( file, pk_internal);
free_TSS_DAA_PK_internal( pk_internal);
fprintf(file, "%d # %s.length\n", credential->tpmSpecificEncLength, "tpmSpecificEnc");
fprintf(file, "%s\n", dump_byte_array( credential->tpmSpecificEncLength,
credential->tpmSpecificEnc));
fprintf(file, "%d # daaCounter\n", credential->daaCounter);
return 0;
}
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