c48f43b44d
Move GCM's update output buffer length verification from PSA AEAD to the built-in implementation of the GCM. Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
16 lines
859 B
Text
16 lines
859 B
Text
Bugfix
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* Remove PSA'a AEAD finish/verify output buffer limitation for GCM.
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The requirement of minimum 15 bytes for output buffer in
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psa_aead_finish() and psa_aead_verify() does not apply to the built-in
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implementation of GCM.
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* Move GCM's update output buffer length verification from PSA AEAD to
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the built-in implementation of the GCM.
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The requirement for output buffer size to be equal or greater then
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input buffer size is valid only for the built-in implementation of GCM.
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Alternative GCM implementations can process whole blocks only.
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API changes
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* New error code for GCM: MBEDTLS_ERR_GCM_BUFFER_TOO_SMALL.
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Alternative GCM implementations are expected to verify
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the length of the provided output buffers and to return the
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MBEDTLS_ERR_GCM_BUFFER_TOO_SMALL in case the buffer length is too small.
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