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Add comment to non-obvious code guard
Ad and body lengths can only be too big on builds where size_t is bigger than 32 bits. This checking code therefore generates always true comparison warnings on 32 bit platforms, and thus had to be guarded. Signed-off-by: Paul Elliott <paul.elliott@arm.com>
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@ -447,6 +447,9 @@ psa_status_t mbedtls_psa_aead_set_lengths( mbedtls_psa_aead_operation_t
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
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if( operation->alg == PSA_ALG_GCM )
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{
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/* Lengths can only be too large for GCM if size_t is bigger than 32
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* bits. Without the guard this code will generate warnings on 32bit
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builds */
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#if SIZE_MAX > UINT32_MAX
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if( ( (uint64_t) ad_length ) >> 61 != 0 ||
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( (uint64_t) plaintext_length ) > 0xFFFFFFFE0ull )
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