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openSUSE:12.2:ARM
openssl-ibmca
ibmca-sw-fix.patch
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File ibmca-sw-fix.patch of Package openssl-ibmca
Index: openssl-ibmca-1.0.0-rc2/e_ibmca.c =================================================================== --- openssl-ibmca-1.0.0-rc2.orig/e_ibmca.c 2007-01-14 23:43:21.000000000 -0600 +++ openssl-ibmca-1.0.0-rc2/e_ibmca.c 2007-01-14 23:43:31.000000000 -0600 @@ -1711,95 +1711,78 @@ const BIGNUM * dmp1, const BIGNUM * dmq1, const BIGNUM * iqmp, BN_CTX * ctx) { - - BIGNUM *argument = NULL; - BIGNUM *result = NULL; - BIGNUM *key = NULL; - - int to_return = 0; /* expect failure */ - - char *pkey = NULL; - ICA_KEY_RSA_CRT *privKey = NULL; + char *argument; + char *result; + char *key; + unsigned char *pkey; + ICA_KEY_RSA_CRT *privkey; int inLen, outLen; - int rc; unsigned int offset, pSize, qSize; - /* SAB New variables */ unsigned int keyRecordSize; unsigned int pbytes = BN_num_bytes(p); unsigned int qbytes = BN_num_bytes(q); unsigned int dmp1bytes = BN_num_bytes(dmp1); unsigned int dmq1bytes = BN_num_bytes(dmq1); unsigned int iqmpbytes = BN_num_bytes(iqmp); + int to_return = 0; - /* Prepare the params */ - - BN_CTX_start(ctx); - argument = BN_CTX_get(ctx); - result = BN_CTX_get(ctx); - key = BN_CTX_get(ctx); - - if (!argument || !result || !key) { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_BN_CTX_FULL); - goto err; - } - - if (!bn_wexpand(argument, p->top + q->top) || - !bn_wexpand(result, p->top + q->top) || - !bn_wexpand(key, sizeof(*privKey) / BN_BYTES)) { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, - IBMCA_R_BN_EXPAND_FAIL); - goto err; - } - - - privKey = (ICA_KEY_RSA_CRT *) key->d; - /* SAB Add check for total size in bytes of the parms does not - * exceed the buffer space we have do this first - */ - keyRecordSize = - pbytes + qbytes + dmp1bytes + dmq1bytes + iqmpbytes; - if (keyRecordSize > sizeof(privKey->keyRecord)) { + argument = malloc((pbytes + qbytes)); + if (!argument) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_REQUEST_FAILED); + goto err; + } + result = malloc((pbytes + qbytes)); + if (!result) { + free(argument); + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_REQUEST_FAILED); + goto err; + } + key = malloc(sizeof(*privkey)); + if (!key) { + free(argument); + free(result); + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_REQUEST_FAILED); + goto err; + } + privkey = (ICA_KEY_RSA_CRT *)key; + keyRecordSize = (pbytes + qbytes + dmp1bytes + dmq1bytes + iqmpbytes); + if (keyRecordSize > sizeof(privkey->keyRecord)) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE); goto err; } - if ((qbytes + dmq1bytes) > 256) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE); goto err; } - if (pbytes + dmp1bytes > 256) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE); goto err; } - - /* end SAB additions */ - - memset(privKey, 0, sizeof(ICA_KEY_RSA_CRT)); - privKey->keyType = CORRECT_ENDIANNESS(CRT_KEY_TYPE); - privKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_CRT)); - privKey->modulusBitLength = - CORRECT_ENDIANNESS(BN_num_bytes(q) * 2 * 8); - - /* - * p,dp & qInv are 1 QWORD Larger - */ - privKey->pLength = CORRECT_ENDIANNESS(BN_num_bytes(p) + 8); - privKey->qLength = CORRECT_ENDIANNESS(BN_num_bytes(q)); - privKey->dpLength = CORRECT_ENDIANNESS(BN_num_bytes(dmp1) + 8); - privKey->dqLength = CORRECT_ENDIANNESS(BN_num_bytes(dmq1)); - privKey->qInvLength = CORRECT_ENDIANNESS(BN_num_bytes(iqmp) + 8); - - offset = (char *) privKey->keyRecord - (char *) privKey; - - qSize = BN_num_bytes(q); - pSize = qSize + 8; /* 1 QWORD larger */ - - + memset(privkey, 0, sizeof(*privkey)); + privkey->keyType = CORRECT_ENDIANNESS(CRT_KEY_TYPE); + privkey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_CRT)); + privkey->modulusBitLength = CORRECT_ENDIANNESS(qbytes * 2 * 8); + privkey->pLength = CORRECT_ENDIANNESS(pbytes + 8); + privkey->qLength = CORRECT_ENDIANNESS(qbytes); + privkey->dpLength = CORRECT_ENDIANNESS(dmp1bytes + 8); + privkey->dqLength = CORRECT_ENDIANNESS(dmq1bytes); + privkey->qInvLength = CORRECT_ENDIANNESS(iqmpbytes + 8); + offset = ((char *)privkey->keyRecord - (char *)privkey); + qSize = qbytes; + pSize = (qSize + 8); /* 1 QWORD larger */ /* SAB probably aittle redundant, but we'll verify that each * of the components which make up a key record sent ot the card * does not exceed the space that is allocated for it. this @@ -1808,105 +1791,96 @@ * could cause potential side affects on either the card or the * result */ - if ((pbytes > pSize) || (dmp1bytes > pSize) || (iqmpbytes > pSize) || (qbytes > qSize) || (dmq1bytes > qSize)) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE); goto err; - } - - - privKey->dpOffset = CORRECT_ENDIANNESS(offset); - + privkey->dpOffset = CORRECT_ENDIANNESS(offset); offset += pSize; - privKey->dqOffset = CORRECT_ENDIANNESS(offset); - + privkey->dqOffset = CORRECT_ENDIANNESS(offset); offset += qSize; - privKey->pOffset = CORRECT_ENDIANNESS(offset); - + privkey->pOffset = CORRECT_ENDIANNESS(offset); offset += pSize; - privKey->qOffset = CORRECT_ENDIANNESS(offset); - + privkey->qOffset = CORRECT_ENDIANNESS(offset); offset += qSize; - privKey->qInvOffset = CORRECT_ENDIANNESS(offset); - - pkey = (char *) privKey->keyRecord; - - - /* SAB first check that we don;t under flow the buffer */ + privkey->qInvOffset = CORRECT_ENDIANNESS(offset); + pkey = (char *)privkey->keyRecord; if (pSize < pbytes) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION); goto err; } - - /* pkey += pSize - BN_num_bytes(p); WROING this should be dmp1) */ - pkey += pSize - BN_num_bytes(dmp1); + pkey += pSize - dmp1bytes; BN_bn2bin(dmp1, pkey); - pkey += BN_num_bytes(dmp1); /* move the pointer */ - - BN_bn2bin(dmq1, pkey); /* Copy over dmq1 */ - - pkey += qSize; /* move pointer */ - pkey += pSize - BN_num_bytes(p); /* set up for zero padding of next field */ - + pkey += dmp1bytes; + BN_bn2bin(dmq1, pkey); + pkey += qSize; + pkey += pSize - pbytes; /* set up for zero padding of next field */ BN_bn2bin(p, pkey); - pkey += BN_num_bytes(p); /* increment pointer by number of bytes moved */ - + pkey += pbytes; BN_bn2bin(q, pkey); - pkey += qSize; /* move the pointer */ - pkey += pSize - BN_num_bytes(iqmp); /* Adjust for padding */ + pkey += qSize; + pkey += pSize - iqmpbytes; /* Adjust for padding */ BN_bn2bin(iqmp, pkey); - /* Prepare the argument and response */ - - outLen = CORRECT_ENDIANNESS(privKey->qLength) * 2; /* Correct endianess - is used because the - fields were converted + outLen = CORRECT_ENDIANNESS(privkey->qLength) * 2; /* Correct + endianess + is used + because + the + fields + were + converted above */ - if (outLen > 256) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OUTLEN_TO_LARGE); goto err; } - /* SAB check for underflow here on the argeument */ if (outLen < BN_num_bytes(a)) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION); goto err; } - - BN_bn2bin(a, (unsigned char *) argument->d + outLen - - BN_num_bytes(a)); + BN_bn2bin(a, ((unsigned char *)argument + + outLen + - BN_num_bytes(a))); inLen = outLen; - - memset(result->d, 0, outLen); - - /* Perform the operation */ - + memset(result, 0, outLen); if ((rc = p_icaRsaCrt(ibmca_handle, inLen, - (unsigned char *) argument->d, - privKey, &outLen, - (unsigned char *) result->d)) != 0) { + (unsigned char *)argument, + privkey, &outLen, + (unsigned char *)result)) != 0) { + free(argument); + free(result); + free(key); IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_REQUEST_FAILED); goto err; } - - /* Convert the response */ - - BN_bin2bn((unsigned char *) result->d, outLen, r); + BN_bin2bn((unsigned char *)result, outLen, r); to_return = 1; - + free(argument); + free(result); + free(key); err: - BN_CTX_end(ctx); return to_return; - } #ifndef OPENSSL_NO_DSA
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