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path: root/drivers/crypto/ccp/ccp-crypto.h
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Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto.h')
-rw-r--r--drivers/crypto/ccp/ccp-crypto.h36
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