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Zeroise stack buffer containing private key

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2022-03-14 14:24:48 +01:00
parent e4edcf761d
commit 3aca61fdfc
1 changed files with 1 additions and 0 deletions
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library/pk_wrap.c
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@ -917,6 +917,7 @@ static int ecdsa_sign_wrap( void *ctx_arg, mbedtls_md_type_t md_alg,
ret = pk_ecdsa_sig_asn1_from_psa( sig, sig_len, sig_size ); ret = pk_ecdsa_sig_asn1_from_psa( sig, sig_len, sig_size );
cleanup: cleanup:
mbedtls_platform_zeroize( buf, sizeof( buf ) );
status = psa_destroy_key( key_id ); status = psa_destroy_key( key_id );
if( ret == 0 && status != PSA_SUCCESS ) if( ret == 0 && status != PSA_SUCCESS )
ret = mbedtls_pk_error_from_psa( status ); ret = mbedtls_pk_error_from_psa( status );