openssl: replace ocf-crypto-headers with a header file from cryptodev-linux

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 292 insertions, 0 deletions

diff --git a/package/libs/openssl/include/crypto/cryptodev.h b/package/libs/openssl/include/crypto/cryptodev.h
new file mode 100644
index 0000000000..7fb9c7dcda
--- /dev/null
+++ b/package/libs/openssl/include/crypto/cryptodev.h
@@ -0,0 +1,292 @@
+/* This is a source compatible implementation with the original API of
+ * cryptodev by Angelos D. Keromytis, found at openbsd cryptodev.h.
+ * Placed under public domain */
+
+#ifndef L_CRYPTODEV_H
+#define L_CRYPTODEV_H
+
+#include <linux/types.h>
+#ifndef __KERNEL__
+#define __user
+#endif
+
+/* API extensions for linux */
+#define CRYPTO_HMAC_MAX_KEY_LEN		512
+#define CRYPTO_CIPHER_MAX_KEY_LEN	64
+
+/* All the supported algorithms
+ */
+enum cryptodev_crypto_op_t {
+	CRYPTO_DES_CBC = 1,
+	CRYPTO_3DES_CBC = 2,
+	CRYPTO_BLF_CBC = 3,
+	CRYPTO_CAST_CBC = 4,
+	CRYPTO_SKIPJACK_CBC = 5,
+	CRYPTO_MD5_HMAC = 6,
+	CRYPTO_SHA1_HMAC = 7,
+	CRYPTO_RIPEMD160_HMAC = 8,
+	CRYPTO_MD5_KPDK = 9,
+	CRYPTO_SHA1_KPDK = 10,
+	CRYPTO_RIJNDAEL128_CBC = 11,
+	CRYPTO_AES_CBC = CRYPTO_RIJNDAEL128_CBC,
+	CRYPTO_ARC4 = 12,
+	CRYPTO_MD5 = 13,
+	CRYPTO_SHA1 = 14,
+	CRYPTO_DEFLATE_COMP = 15,
+	CRYPTO_NULL = 16,
+	CRYPTO_LZS_COMP = 17,
+	CRYPTO_SHA2_256_HMAC = 18,
+	CRYPTO_SHA2_384_HMAC = 19,
+	CRYPTO_SHA2_512_HMAC = 20,
+	CRYPTO_AES_CTR = 21,
+	CRYPTO_AES_XTS = 22,
+	CRYPTO_AES_ECB = 23,
+	CRYPTO_AES_GCM = 50,
+
+	CRYPTO_CAMELLIA_CBC = 101,
+	CRYPTO_RIPEMD160,
+	CRYPTO_SHA2_224,
+	CRYPTO_SHA2_256,
+	CRYPTO_SHA2_384,
+	CRYPTO_SHA2_512,
+	CRYPTO_SHA2_224_HMAC,
+	CRYPTO_ALGORITHM_ALL, /* Keep updated - see below */
+};
+
+#define	CRYPTO_ALGORITHM_MAX	(CRYPTO_ALGORITHM_ALL - 1)
+
+/* Values for ciphers */
+#define DES_BLOCK_LEN		8
+#define DES3_BLOCK_LEN		8
+#define RIJNDAEL128_BLOCK_LEN	16
+#define AES_BLOCK_LEN		RIJNDAEL128_BLOCK_LEN
+#define CAMELLIA_BLOCK_LEN      16
+#define BLOWFISH_BLOCK_LEN	8
+#define SKIPJACK_BLOCK_LEN	8
+#define CAST128_BLOCK_LEN	8
+
+/* the maximum of the above */
+#define EALG_MAX_BLOCK_LEN	16
+
+/* Values for hashes/MAC */
+#define AALG_MAX_RESULT_LEN		64
+
+/* maximum length of verbose alg names (depends on CRYPTO_MAX_ALG_NAME) */
+#define CRYPTODEV_MAX_ALG_NAME		64
+
+#define HASH_MAX_LEN 64
+
+/* input of CIOCGSESSION */
+struct session_op {
+	/* Specify either cipher or mac
+	 */
+	__u32	cipher;		/* cryptodev_crypto_op_t */
+	__u32	mac;		/* cryptodev_crypto_op_t */
+
+	__u32	keylen;
+	__u8	__user *key;
+	__u32	mackeylen;
+	__u8	__user *mackey;
+
+	__u32	ses;		/* session identifier */
+};
+
+struct session_info_op {
+	__u32 ses;		/* session identifier */
+
+	/* verbose names for the requested ciphers */
+	struct alg_info {
+		char cra_name[CRYPTODEV_MAX_ALG_NAME];
+		char cra_driver_name[CRYPTODEV_MAX_ALG_NAME];
+	} cipher_info, hash_info;
+
+	__u16	alignmask;	/* alignment constraints */
+	__u32   flags;          /* SIOP_FLAGS_* */
+};
+
+/* If this flag is set then this algorithm uses
+ * a driver only available in kernel (software drivers,
+ * or drivers based on instruction sets do not set this flag).
+ *
+ * If multiple algorithms are involved (as in AEAD case), then
+ * if one of them is kernel-driver-only this flag will be set.
+ */
+#define SIOP_FLAG_KERNEL_DRIVER_ONLY 1
+
+#define	COP_ENCRYPT	0
+#define COP_DECRYPT	1
+
+/* input of CIOCCRYPT */
+struct crypt_op {
+	__u32	ses;		/* session identifier */
+	__u16	op;		/* COP_ENCRYPT or COP_DECRYPT */
+	__u16	flags;		/* see COP_FLAG_* */
+	__u32	len;		/* length of source data */
+	__u8	__user *src;	/* source data */
+	__u8	__user *dst;	/* pointer to output data */
+	/* pointer to output data for hash/MAC operations */
+	__u8	__user *mac;
+	/* initialization vector for encryption operations */
+	__u8	__user *iv;
+};
+
+/* input of CIOCAUTHCRYPT */
+struct crypt_auth_op {
+	__u32	ses;		/* session identifier */
+	__u16	op;		/* COP_ENCRYPT or COP_DECRYPT */
+	__u16	flags;		/* see COP_FLAG_AEAD_* */
+	__u32	len;		/* length of source data */
+	__u32	auth_len;	/* length of auth data */
+	__u8	__user *auth_src;	/* authenticated-only data */
+
+	/* The current implementation is more efficient if data are
+	 * encrypted in-place (src==dst). */
+	__u8	__user *src;	/* data to be encrypted and authenticated */
+	__u8	__user *dst;	/* pointer to output data. Must have
+	                         * space for tag. For TLS this should be at least 
+	                         * len + tag_size + block_size for padding */
+
+	__u8    __user *tag;    /* where the tag will be copied to. TLS mode
+                                 * doesn't use that as tag is copied to dst.
+                                 * SRTP mode copies tag there. */
+	__u32	tag_len;	/* the length of the tag. Use zero for digest size or max tag. */
+
+	/* initialization vector for encryption operations */
+	__u8	__user *iv;
+	__u32   iv_len;
+};
+
+/* In plain AEAD mode the following are required:
+ *  flags   : 0
+ *  iv      : the initialization vector (12 bytes)
+ *  auth_len: the length of the data to be authenticated
+ *  auth_src: the data to be authenticated
+ *  len     : length of data to be encrypted
+ *  src     : the data to be encrypted
+ *  dst     : space to hold encrypted data. It must have
+ *            at least a size of len + tag_size.
+ *  tag_size: the size of the desired authentication tag or zero to use
+ *            the maximum tag output.
+ *
+ * Note tag isn't being used because the Linux AEAD interface
+ * copies the tag just after data.
+ */
+
+/* In TLS mode (used for CBC ciphers that required padding) 
+ * the following are required:
+ *  flags   : COP_FLAG_AEAD_TLS_TYPE
+ *  iv      : the initialization vector
+ *  auth_len: the length of the data to be authenticated only
+ *  len     : length of data to be encrypted
+ *  auth_src: the data to be authenticated
+ *  src     : the data to be encrypted
+ *  dst     : space to hold encrypted data (preferably in-place). It must have
+ *            at least a size of len + tag_size + blocksize.
+ *  tag_size: the size of the desired authentication tag or zero to use
+ *            the default mac output.
+ *
+ * Note that the padding used is the minimum padding.
+ */
+
+/* In SRTP mode the following are required:
+ *  flags   : COP_FLAG_AEAD_SRTP_TYPE
+ *  iv      : the initialization vector
+ *  auth_len: the length of the data to be authenticated. This must
+ *            include the SRTP header + SRTP payload (data to be encrypted) + rest
+ *            
+ *  len     : length of data to be encrypted
+ *  auth_src: pointer the data to be authenticated. Should point at the same buffer as src.
+ *  src     : pointer to the data to be encrypted.
+ *  dst     : This is mandatory to be the same as src (in-place only).
+ *  tag_size: the size of the desired authentication tag or zero to use
+ *            the default mac output.
+ *  tag     : Pointer to an address where the authentication tag will be copied.
+ */
+
+
+/* struct crypt_op flags */
+
+#define COP_FLAG_NONE		(0 << 0) /* totally no flag */
+#define COP_FLAG_UPDATE		(1 << 0) /* multi-update hash mode */
+#define COP_FLAG_FINAL		(1 << 1) /* multi-update final hash mode */
+#define COP_FLAG_WRITE_IV	(1 << 2) /* update the IV during operation */
+#define COP_FLAG_NO_ZC		(1 << 3) /* do not zero-copy */
+#define COP_FLAG_AEAD_TLS_TYPE  (1 << 4) /* authenticate and encrypt using the 
+                                          * TLS protocol rules */
+#define COP_FLAG_AEAD_SRTP_TYPE  (1 << 5) /* authenticate and encrypt using the 
+                                           * SRTP protocol rules */
+#define COP_FLAG_RESET		(1 << 6) /* multi-update reset the state.
+                                          * should be used in combination
+                                          * with COP_FLAG_UPDATE */
+
+
+/* Stuff for bignum arithmetic and public key
+ * cryptography - not supported yet by linux
+ * cryptodev.
+ */
+
+#define	CRYPTO_ALG_FLAG_SUPPORTED	1
+#define	CRYPTO_ALG_FLAG_RNG_ENABLE	2
+#define	CRYPTO_ALG_FLAG_DSA_SHA		4
+
+struct crparam {
+	__u8	*crp_p;
+	__u32	crp_nbits;
+};
+
+#define CRK_MAXPARAM	8
+
+/* input of CIOCKEY */
+struct crypt_kop {
+	__u32	crk_op;		/* cryptodev_crk_op_t */
+	__u32	crk_status;
+	__u16	crk_iparams;
+	__u16	crk_oparams;
+	__u32	crk_pad1;
+	struct crparam	crk_param[CRK_MAXPARAM];
+};
+
+enum cryptodev_crk_op_t {
+	CRK_MOD_EXP = 0,
+	CRK_MOD_EXP_CRT = 1,
+	CRK_DSA_SIGN = 2,
+	CRK_DSA_VERIFY = 3,
+	CRK_DH_COMPUTE_KEY = 4,
+	CRK_ALGORITHM_ALL
+};
+
+#define CRK_ALGORITHM_MAX	(CRK_ALGORITHM_ALL-1)
+
+/* features to be queried with CIOCASYMFEAT ioctl
+ */
+#define CRF_MOD_EXP		(1 << CRK_MOD_EXP)
+#define CRF_MOD_EXP_CRT		(1 << CRK_MOD_EXP_CRT)
+#define CRF_DSA_SIGN		(1 << CRK_DSA_SIGN)
+#define CRF_DSA_VERIFY		(1 << CRK_DSA_VERIFY)
+#define CRF_DH_COMPUTE_KEY	(1 << CRK_DH_COMPUTE_KEY)
+
+
+/* ioctl's. Compatible with old linux cryptodev.h
+ */
+#define CRIOGET         _IOWR('c', 101, __u32)
+#define CIOCGSESSION    _IOWR('c', 102, struct session_op)
+#define CIOCFSESSION    _IOW('c', 103, __u32)
+#define CIOCCRYPT       _IOWR('c', 104, struct crypt_op)
+#define CIOCKEY         _IOWR('c', 105, struct crypt_kop)
+#define CIOCASYMFEAT    _IOR('c', 106, __u32)
+#define CIOCGSESSINFO	_IOWR('c', 107, struct session_info_op)
+
+/* to indicate that CRIOGET is not required in linux
+ */
+#define CRIOGET_NOT_NEEDED 1
+
+/* additional ioctls for AEAD */
+#define CIOCAUTHCRYPT   _IOWR('c', 109, struct crypt_auth_op)
+
+/* additional ioctls for asynchronous operation.
+ * These are conditionally enabled since version 1.6.
+ */
+#define CIOCASYNCCRYPT    _IOW('c', 110, struct crypt_op)
+#define CIOCASYNCFETCH    _IOR('c', 111, struct crypt_op)
+
+#endif /* L_CRYPTODEV_H */