diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_asym_algs.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_asym_algs.c | 49 |
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 */ |