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tpm2: Add missing EC Curve cases in Unmarshal function

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Add missing EC Curve cases in Unmarshal function.
Also, don't accept curves that are not usable during runtime because OpenSSL
may not support them.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2020-05-09 10:40:42 -04:00 committed by Stefan Berger
parent f13a6396b4
commit dae596cb3c
1 changed files with 20 additions and 0 deletions
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20
src/tpm2/Unmarshal.c
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@ -41,7 +41,9 @@
#include <string.h>
#include "Tpm.h" // libtpms added
#include "Unmarshal_fp.h"
#include "CryptEccMain_fp.h" // libtpms added
TPM_RC
UINT8_Unmarshal(UINT8 *target, BYTE **buffer, INT32 *size)
@ -3522,12 +3524,30 @@ TPMI_ECC_CURVE_Unmarshal(TPMI_ECC_CURVE *target, BYTE **buffer, INT32 *size)
#if ECC_BN_P256
case TPM_ECC_BN_P256:
#endif
#if ECC_BN_P638 // libtpms added begin
case TPM_ECC_BN_P638:
#endif
#if ECC_NIST_P192
case TPM_ECC_NIST_P192:
#endif
#if ECC_NIST_P224
case TPM_ECC_NIST_P224:
#endif // libtpms added end
#if ECC_NIST_P256
case TPM_ECC_NIST_P256:
#endif
#if ECC_NIST_P384
case TPM_ECC_NIST_P384:
#endif
#if ECC_NIST_P521 // libtpms added begin
case TPM_ECC_NIST_P521:
#endif
#if ECC_SM2_P256
case TPM_ECC_SM2_P256:
#endif
if (!CryptEccIsCurveRuntimeUsable(*target))
rc = TPM_RC_CURVE;
// libtpms added end
break;
default:
rc = TPM_RC_CURVE;