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Merge pull request #248 from RonEld/stack_overflow_in_hmac_fix

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Fix a buffer overflow in hmac_setup_internal
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Jaeden Amero 2019-09-11 13:55:18 +01:00 committed by GitHub
parent 18c7b9fdaa 5a0f45b61b
commit cc5aeee278
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 1 deletions
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2
library/psa_crypto.c
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@ -2735,7 +2735,7 @@ static psa_status_t psa_hmac_setup_internal( psa_hmac_internal_data *hmac,
status = psa_hash_update( &hmac->hash_ctx, ipad, block_size );
cleanup:
mbedtls_platform_zeroize( ipad, key_length );
mbedtls_platform_zeroize( ipad, sizeof(ipad) );
return( status );
}

8
tests/suites/test_suite_psa_crypto.data
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@ -799,6 +799,14 @@ depends_on:MBEDTLS_CMAC_C
# Either INVALID_ARGUMENT or NOT_SUPPORTED would be reasonable here
mac_setup:PSA_KEY_TYPE_HMAC:"000102030405060708090a0b0c0d0e0f":PSA_ALG_CMAC:PSA_ERROR_NOT_SUPPORTED
PSA MAC setup: algorithm known but not supported, long key
depends_on:!MBEDTLS_MD5_C
mac_setup:PSA_KEY_TYPE_HMAC:"000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f":PSA_ALG_HMAC(PSA_ALG_MD5):PSA_ERROR_NOT_SUPPORTED
PSA MAC setup: algorithm known but not supported, short key
depends_on:!MBEDTLS_MD5_C
mac_setup:PSA_KEY_TYPE_HMAC:"000102030405060708":PSA_ALG_HMAC(PSA_ALG_MD5):PSA_ERROR_NOT_SUPPORTED
PSA MAC: bad order function calls
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
mac_bad_order: