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57f8e9116e
Although the library documentation does not guarantee that calling mbedtls_entropy_free() twice works, it's a plausible assumption and it's natural to write code that frees an object twice. While this is uncommon for an entropy context, which is usually a global variable, it came up in our own unit tests (random_twice tests in test_suite_random in the development branch). Announce this in the same changelog entry as for RSA because it's the same bug in the two modules. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
14 lines
671 B
Plaintext
14 lines
671 B
Plaintext
Bugfix
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* Ensure that calling mbedtls_rsa_free() or mbedtls_entropy_free()
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twice is safe. This happens for RSA when some Mbed TLS library functions
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fail. Such a double-free was not safe when MBEDTLS_THREADING_C was
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enabled on platforms where freeing a mutex twice is not safe.
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* Fix a resource leak in a bad-arguments case of mbedtls_rsa_gen_key()
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when MBEDTLS_THREADING_C is enabled on platforms where initializing
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a mutex allocates resources.
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Default behavior changes
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* In mbedtls_rsa_context objects, the ver field was formerly documented
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as always 0. It is now reserved for internal purposes and may take
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different values.
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