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Clear temporary buffer after block crypt operation.
Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
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a9cbdfbb34
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@ -127,13 +127,15 @@ static int mbedtls_ccm_crypt( mbedtls_ccm_context *ctx,
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if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctx->ctr, 16, tmp_buf,
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&olen ) ) != 0 )
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{
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ctx->state |= CCM_STATE__ERROR; \
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ctx->state |= CCM_STATE__ERROR;
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mbedtls_platform_zeroize(tmp_buf, sizeof(tmp_buf));
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return ret;
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}
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for( i = 0; i < use_len; i++ )
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output[i] = input[i] ^ tmp_buf[offset + i];
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mbedtls_platform_zeroize(tmp_buf, sizeof(tmp_buf));
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return ret;
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}
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