diff options
Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto.h')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto.h | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto.h b/drivers/crypto/ccp/ccp-crypto.h index dd5bf15f06e5..b9fd090c46c2 100644 --- a/drivers/crypto/ccp/ccp-crypto.h +++ b/drivers/crypto/ccp/ccp-crypto.h @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) crypto API support * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -24,6 +24,8 @@ #include <crypto/ctr.h> #include <crypto/hash.h> #include <crypto/sha.h> +#include <crypto/akcipher.h> +#include <crypto/internal/rsa.h> #define CCP_LOG_LEVEL KERN_INFO @@ -58,6 +60,12 @@ struct ccp_crypto_ahash_alg { struct ahash_alg alg; }; +struct ccp_crypto_akcipher_alg { + struct list_head entry; + + struct akcipher_alg alg; +}; + static inline struct ccp_crypto_ablkcipher_alg * ccp_crypto_ablkcipher_alg(struct crypto_tfm *tfm) { @@ -91,7 +99,7 @@ struct ccp_aes_ctx { struct scatterlist key_sg; unsigned int key_len; - u8 key[AES_MAX_KEY_SIZE]; + u8 key[AES_MAX_KEY_SIZE * 2]; u8 nonce[CTR_RFC3686_NONCE_SIZE]; @@ -227,12 +235,35 @@ struct ccp_sha_exp_ctx { u8 buf[MAX_SHA_BLOCK_SIZE]; }; +/***** RSA related defines *****/ + +struct ccp_rsa_ctx { + unsigned int key_len; /* in bits */ + struct scatterlist e_sg; + u8 *e_buf; + unsigned int e_len; + struct scatterlist n_sg; + u8 *n_buf; + unsigned int n_len; + struct scatterlist d_sg; + u8 *d_buf; + unsigned int d_len; +}; + +struct ccp_rsa_req_ctx { + struct ccp_cmd cmd; +}; + +#define CCP_RSA_MAXMOD (4 * 1024 / 8) +#define CCP5_RSA_MAXMOD (16 * 1024 / 8) + /***** Common Context Structure *****/ struct ccp_ctx { int (*complete)(struct crypto_async_request *req, int ret); union { struct ccp_aes_ctx aes; + struct ccp_rsa_ctx rsa; struct ccp_sha_ctx sha; struct ccp_des3_ctx des3; } u; @@ -249,5 +280,6 @@ int ccp_register_aes_xts_algs(struct list_head *head); int ccp_register_aes_aeads(struct list_head *head); int ccp_register_sha_algs(struct list_head *head); int ccp_register_des3_algs(struct list_head *head); +int ccp_register_rsa_algs(struct list_head *head); #endif |