crypto: hisilicon - adjust hpre_crt_para_get (92f0726d) · Commits · 戴 / test

drivers/crypto/hisilicon/hpre/hpre_crypto.c

+14 −14

Original line number	Diff line number	Diff line
		@@ -827,17 +827,17 @@ static int hpre_rsa_set_d(struct hpre_ctx ctx, const char value,
		return 0;
		}

		static int hpre_crt_para_get(char para, const char raw,
		unsigned int raw_sz, unsigned int para_size)
		static int hpre_crt_para_get(char *para, size_t para_sz,
		const char *raw, size_t raw_sz)
		{
		const char *ptr = raw;
		size_t len = raw_sz;

		hpre_rsa_drop_leading_zeros(&ptr, &len);
		if (!len \|\| len > para_size)
		if (!len \|\| len > para_sz)
		return -EINVAL;

		memcpy(para + para_size - len, ptr, len);
		memcpy(para + para_sz - len, ptr, len);

		return 0;
		}
		@@ -855,32 +855,32 @@ static int hpre_rsa_setkey_crt(struct hpre_ctx ctx, struct rsa_key rsa_key)
		if (!ctx->rsa.crt_prikey)
		return -ENOMEM;

		ret = hpre_crt_para_get(ctx->rsa.crt_prikey, rsa_key->dq,
		rsa_key->dq_sz, hlf_ksz);
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey, hlf_ksz,
		rsa_key->dq, rsa_key->dq_sz);
		if (ret)
		goto free_key;

		offset = hlf_ksz;
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset, rsa_key->dp,
		rsa_key->dp_sz, hlf_ksz);
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset, hlf_ksz,
		rsa_key->dp, rsa_key->dp_sz);
		if (ret)
		goto free_key;

		offset = hlf_ksz * HPRE_CRT_Q;
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset,
		rsa_key->q, rsa_key->q_sz, hlf_ksz);
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset, hlf_ksz,
		rsa_key->q, rsa_key->q_sz);
		if (ret)
		goto free_key;

		offset = hlf_ksz * HPRE_CRT_P;
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset,
		rsa_key->p, rsa_key->p_sz, hlf_ksz);
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset, hlf_ksz,
		rsa_key->p, rsa_key->p_sz);
		if (ret)
		goto free_key;

		offset = hlf_ksz * HPRE_CRT_INV;
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset,
		rsa_key->qinv, rsa_key->qinv_sz, hlf_ksz);
		ret = hpre_crt_para_get(ctx->rsa.crt_prikey + offset, hlf_ksz,
		rsa_key->qinv, rsa_key->qinv_sz);
		if (ret)
		goto free_key;

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