lib/mbedtls
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Zeroising of plaintext buffers to erase unused application data from memory

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Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
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gabor-mezei-arm
2020-07-15 10:55:00 +02:00
parent 8ed8694199
commit a321413807
2 changed files with 8 additions and 0 deletions
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4
library/ssl_msg.c
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@ -5581,6 +5581,10 @@ int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
memcpy( buf, ssl->in_offt, n );
ssl->in_msglen -= n;
/* Zeroising the plaintext buffer to erase unused application data
from the memory. */
mbedtls_platform_zeroize( ssl->in_offt, n );
if( ssl->in_msglen == 0 )
{
/* all bytes consumed */