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path: root/drivers/crypto/qat/qat_common/qat_asym_algs.c
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Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_asym_algs.c')
-rw-r--r--drivers/crypto/qat/qat_common/qat_asym_algs.c49
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c
index 05f49d4f94b2..04b0ef8cfaa1 100644
--- a/drivers/crypto/qat/qat_common/qat_asym_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c
@@ -52,8 +52,6 @@
#include <linux/dma-mapping.h>
#include <linux/fips.h>
#include <crypto/scatterwalk.h>
-#include "qat_rsapubkey-asn1.h"
-#include "qat_rsaprivkey-asn1.h"
#include "icp_qat_fw_pke.h"
#include "adf_accel_devices.h"
#include "adf_transport.h"
@@ -502,10 +500,8 @@ unmap_src:
return ret;
}
-int qat_rsa_get_n(void *context, size_t hdrlen, unsigned char tag,
- const void *value, size_t vlen)
+int qat_rsa_set_n(struct qat_rsa_ctx *ctx, const char *value, size_t vlen)
{
- struct qat_rsa_ctx *ctx = context;
struct qat_crypto_instance *inst = ctx->inst;
struct device *dev = &GET_DEV(inst->accel_dev);
const char *ptr = value;
@@ -518,11 +514,6 @@ int qat_rsa_get_n(void *context, size_t hdrlen, unsigned char tag,
ctx->key_sz = vlen;
ret = -EINVAL;
- /* In FIPS mode only allow key size 2K & 3K */
- if (fips_enabled && (ctx->key_sz != 256 && ctx->key_sz != 384)) {
- pr_err("QAT: RSA: key size not allowed in FIPS mode\n");
- goto err;
- }
/* invalid key size provided */
if (!qat_rsa_enc_fn_id(ctx->key_sz))
goto err;
@@ -540,10 +531,8 @@ err:
return ret;
}
-int qat_rsa_get_e(void *context, size_t hdrlen, unsigned char tag,
- const void *value, size_t vlen)
+int qat_rsa_set_e(struct qat_rsa_ctx *ctx, const char *value, size_t vlen)
{
- struct qat_rsa_ctx *ctx = context;
struct qat_crypto_instance *inst = ctx->inst;
struct device *dev = &GET_DEV(inst->accel_dev);
const char *ptr = value;
@@ -559,18 +548,15 @@ int qat_rsa_get_e(void *context, size_t hdrlen, unsigned char tag,
}
ctx->e = dma_zalloc_coherent(dev, ctx->key_sz, &ctx->dma_e, GFP_KERNEL);
- if (!ctx->e) {
- ctx->e = NULL;
+ if (!ctx->e)
return -ENOMEM;
- }
+
memcpy(ctx->e + (ctx->key_sz - vlen), ptr, vlen);
return 0;
}
-int qat_rsa_get_d(void *context, size_t hdrlen, unsigned char tag,
- const void *value, size_t vlen)
+int qat_rsa_set_d(struct qat_rsa_ctx *ctx, const char *value, size_t vlen)
{
- struct qat_rsa_ctx *ctx = context;
struct qat_crypto_instance *inst = ctx->inst;
struct device *dev = &GET_DEV(inst->accel_dev);
const char *ptr = value;
@@ -585,12 +571,6 @@ int qat_rsa_get_d(void *context, size_t hdrlen, unsigned char tag,
if (!ctx->key_sz || !vlen || vlen > ctx->key_sz)
goto err;
- /* In FIPS mode only allow key size 2K & 3K */
- if (fips_enabled && (vlen != 256 && vlen != 384)) {
- pr_err("QAT: RSA: key size not allowed in FIPS mode\n");
- goto err;
- }
-
ret = -ENOMEM;
ctx->d = dma_zalloc_coherent(dev, ctx->key_sz, &ctx->dma_d, GFP_KERNEL);
if (!ctx->d)
@@ -608,6 +588,7 @@ static int qat_rsa_setkey(struct crypto_akcipher *tfm, const void *key,
{
struct qat_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
struct device *dev = &GET_DEV(ctx->inst->accel_dev);
+ struct rsa_key rsa_key;
int ret;
/* Free the old key if any */
@@ -625,13 +606,23 @@ static int qat_rsa_setkey(struct crypto_akcipher *tfm, const void *key,
ctx->d = NULL;
if (private)
- ret = asn1_ber_decoder(&qat_rsaprivkey_decoder, ctx, key,
- keylen);
+ ret = rsa_parse_priv_key(&rsa_key, key, keylen);
else
- ret = asn1_ber_decoder(&qat_rsapubkey_decoder, ctx, key,
- keylen);
+ ret = rsa_parse_pub_key(&rsa_key, key, keylen);
+ if (ret < 0)
+ goto free;
+
+ ret = qat_rsa_set_n(ctx, rsa_key.n, rsa_key.n_sz);
if (ret < 0)
goto free;
+ ret = qat_rsa_set_e(ctx, rsa_key.e, rsa_key.e_sz);
+ if (ret < 0)
+ goto free;
+ if (private) {
+ ret = qat_rsa_set_d(ctx, rsa_key.d, rsa_key.d_sz);
+ if (ret < 0)
+ goto free;
+ }
if (!ctx->n || !ctx->e) {
/* invalid key provided */