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Merge pull request #3850 from AndrzejKurek/ccm-clean-temp-data

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ccm - clean temp data
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Andrzej Kurek 2020-11-25 11:14:05 -05:00 committed by GitHub
parent 549a35690c 142f09fb96
commit 9b92865bcd
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1 changed files with 8 additions and 0 deletions
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8
library/ccm.c
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@ -246,6 +246,10 @@ static int ccm_auth_crypt( mbedtls_ccm_context *ctx, int mode, size_t length,
if( add_len > 0xFF00 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
mbedtls_platform_zeroize( b, 16 );
mbedtls_platform_zeroize( y, 16 );
mbedtls_platform_zeroize( ctr, 16 );
q = (uint_fast8_t) (16 - 1 - iv_len);
/*
@ -390,6 +394,10 @@ static int ccm_auth_crypt( mbedtls_ccm_context *ctx, int mode, size_t length,
CTR_CRYPT( y, y, 16 );
mbedtls_platform_memcpy( tag, y, tag_len );
mbedtls_platform_zeroize( b, 16 );
mbedtls_platform_zeroize( y, 16 );
mbedtls_platform_zeroize( ctr, 16 );
return( ret );
}