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Fix zeroization at NULL pointer

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2022-11-01 16:08:14 +00:00
parent 55fd0b9fc1
commit 29b9b2b699
1 changed files with 3 additions and 1 deletions
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4
library/ssl_tls.c
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@ -5635,7 +5635,9 @@ static int tls_prf_generic( mbedtls_md_type_t md_type,
exit:
mbedtls_md_free( &md_ctx );
mbedtls_platform_zeroize( tmp, tmp_len );
if ( tmp != NULL )
mbedtls_platform_zeroize( tmp, tmp_len );
mbedtls_platform_zeroize( h_i, sizeof( h_i ) );
mbedtls_free( tmp );