lib/mbedtls
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Validate tag pointer in ccm function.

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Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk
2021-07-28 15:39:51 +02:00
parent 1bda9451ef
commit c8bdf36a72
2 changed files with 3 additions and 5 deletions
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3
library/ccm.c
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@ -478,7 +478,8 @@ int mbedtls_ccm_finish( mbedtls_ccm_context *ctx,
ret = mbedtls_ccm_crypt( ctx, 0, 16, ctx->y, ctx->y );
if( ret != 0 )
return ret;
memcpy( tag, ctx->y, tag_len );
if( tag != NULL )
memcpy( tag, ctx->y, tag_len );
mbedtls_ccm_clear_state(ctx);
return( 0 );