Check len against buffers size upper bound in PSA tests
#259
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gilles-peskine-arm
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Sep 13, 2019
k-stachowiak
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Patater
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Oct 9, 2019
Patater
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The test failures are unrelated and don't obscure coverage of the changes in this PR. Good to merge. |
gilles-peskine-arm
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Nov 15, 2019
* ARMmbed#292: Make psa_close_key(0) and psa_destroy_key(0) succeed * ARMmbed#299: Allow xxx_drbg_set_entropy_len before xxx_drbg_seed * ARMmbed#259: Check `len` against buffers size upper bound in PSA tests * ARMmbed#288: Add ECDSA tests with hash and key of different lengths * ARMmbed#305: CTR_DRBG: grab a nonce from the entropy source if needed * ARMmbed#316: Stop transactions from being reentrant * ARMmbed#317: getting_started: Make it clear that keys are passed in * ARMmbed#314: Fix pk_write with EC key to use a constant size for the private value * ARMmbed#298: Test a build without any asymmetric cryptography * ARMmbed#284: Fix some possibly-undefined variable warnings * ARMmbed#315: Define MBEDTLS_PK_SIGNATURE_MAX_SIZE * ARMmbed#318: Finish side-porting commits from mbedtls-restricted that missed the split
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In
asn1_skip_integer(), intest_suite_psa_crypto.functionsuite, a buffer is accessed at an index based onlen- taken from itself. There is a lower bound check done on thelenvalue, but none for the upper bound.This PR adds the upper bound check for the value used for the lookup.