diff options
Diffstat (limited to 'drivers/crypto/ccree/cc_aead.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_aead.c | 73 |
1 files changed, 20 insertions, 53 deletions
diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index cce103e3b822..ede16e37d453 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -6,6 +6,8 @@ #include <crypto/algapi.h> #include <crypto/internal/aead.h> #include <crypto/authenc.h> +#include <crypto/gcm.h> +#include <linux/rtnetlink.h> #include <crypto/internal/des.h> #include <linux/rtnetlink.h> #include "cc_driver.h" @@ -60,11 +62,6 @@ struct cc_aead_ctx { enum drv_hash_mode auth_mode; }; -static inline bool valid_assoclen(struct aead_request *req) -{ - return ((req->assoclen == 16) || (req->assoclen == 20)); -} - static void cc_aead_exit(struct crypto_aead *tfm) { struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); @@ -2050,15 +2047,11 @@ static int cc_rfc4309_ccm_encrypt(struct aead_request *req) /* Very similar to cc_aead_encrypt() above. */ struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); @@ -2099,16 +2092,12 @@ static int cc_aead_decrypt(struct aead_request *req) static int cc_rfc4309_ccm_decrypt(struct aead_request *req) { - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); @@ -2216,18 +2205,12 @@ static int cc_rfc4543_gcm_setauthsize(struct crypto_aead *authenc, static int cc_rfc4106_gcm_encrypt(struct aead_request *req) { - /* Very similar to cc_aead_encrypt() above. */ - - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); @@ -2248,17 +2231,12 @@ out: static int cc_rfc4543_gcm_encrypt(struct aead_request *req) { - /* Very similar to cc_aead_encrypt() above. */ - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); @@ -2281,18 +2259,12 @@ out: static int cc_rfc4106_gcm_decrypt(struct aead_request *req) { - /* Very similar to cc_aead_decrypt() above. */ - - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); @@ -2313,17 +2285,12 @@ out: static int cc_rfc4543_gcm_decrypt(struct aead_request *req) { - /* Very similar to cc_aead_decrypt() above. */ - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - int rc = -EINVAL; + int rc; - if (!valid_assoclen(req)) { - dev_dbg(dev, "invalid Assoclen:%u\n", req->assoclen); + rc = crypto_ipsec_check_assoclen(req->assoclen); + if (rc) goto out; - } memset(areq_ctx, 0, sizeof(*areq_ctx)); |