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Add scenario to test case hash_bad_paths
Tests where the verification hash digest is prefixed with the expected digest but also has extra bytes appended at the end of it.
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@ -1577,6 +1577,15 @@ void hash_bad_paths( )
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psa_hash_operation_t operation;
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psa_hash_operation_t operation;
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size_t hash_len;
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size_t hash_len;
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/* SHA-256 hash digest of the string 'input' with 2 extra bytes appended at
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* the end */
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unsigned char extra_length_digest[] =
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{
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0x3a, 0x28, 0x92, 0x32, 0x39, 0x9a, 0x20, 0x75, 0x09, 0xf4, 0xfa, 0x9d,
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0x70, 0xfa, 0x6f, 0x68, 0x81, 0x7c, 0xe6, 0xa6, 0x6f, 0x21, 0x50, 0xff,
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0x08, 0x23, 0x36, 0x31, 0x1f, 0x4e, 0x55, 0xfe, 0xaa, 0xbb
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};
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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/* psa_hash_update without calling psa_hash_setup beforehand */
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/* psa_hash_update without calling psa_hash_setup beforehand */
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@ -1618,6 +1627,18 @@ void hash_bad_paths( )
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hash, expected_size ) ==
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hash, expected_size ) ==
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PSA_ERROR_INVALID_SIGNATURE );
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PSA_ERROR_INVALID_SIGNATURE );
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/* psa_hash_verify with a hash digest longer than expected, where the first
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* 32 bytes match the expected digest but 2 extra bytes are appended at the
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* end of the digest */
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memset( hash, 0, sizeof( hash ) );
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TEST_ASSERT( psa_hash_setup( &operation, alg ) == PSA_SUCCESS );
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TEST_ASSERT( psa_hash_update( &operation,
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input, sizeof( input ) ) == PSA_SUCCESS );
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TEST_ASSERT( psa_hash_verify( &operation,
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extra_length_digest,
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sizeof( extra_length_digest ) ) ==
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PSA_ERROR_INVALID_SIGNATURE );
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exit:
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exit:
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mbedtls_psa_crypto_free( );
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mbedtls_psa_crypto_free( );
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}
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}
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