Added files.

1 files changed, 156 insertions, 0 deletions

diff --git a/cryptodev.h b/cryptodev.h
new file mode 100644
index 0000000..895ad1c
--- /dev/null
+++ b/cryptodev.h
@@ -0,0 +1,156 @@
+/*
+ * Driver for /dev/crypto device (aka CryptoDev)
+ *
+ * Copyright (c) 2004 Michal Ludvig <mludvig@logix.net.nz>, SuSE Labs
+ *
+ * Structures and ioctl command names were taken from
+ * OpenBSD to preserve compatibility with their API.
+ *
+ */
+
+#ifndef _CRYPTODEV_H
+#define _CRYPTODEV_H
+
+#ifndef __KERNEL__
+#include <inttypes.h>
+#endif
+
+#define	CRYPTODEV_MINOR	MISC_DYNAMIC_MINOR
+
+
+#define CRYPTO_FLAG_HMAC	0x0010
+#define CRYPTO_FLAG_MASK	0x00FF
+
+enum {
+	CRYPTO_DES_CBC=1,
+	CRYPTO_3DES_CBC,
+	CRYPTO_BLF_CBC,
+	CRYPTO_AES_CBC,
+	CRYPTO_RIJNDAEL128_CBC=CRYPTO_AES_CBC,
+	CRYPTO_CAMELLIA_CBC,
+	/* unsupported from here */
+	CRYPTO_CAST_CBC,
+	CRYPTO_SKIPJACK_CBC,
+
+	CRYPTO_MD5_KPDK=200,
+	CRYPTO_SHA1_KPDK,
+	CRYPTO_MD5,
+	CRYPTO_RIPEMD160,
+	CRYPTO_SHA1,
+	CRYPTO_SHA2_256,
+	CRYPTO_SHA2_384,
+	CRYPTO_SHA2_512,
+	CRYPTO_MD5_HMAC,
+	CRYPTO_RIPEMD160_HMAC,
+	CRYPTO_SHA1_HMAC,
+	CRYPTO_SHA2_256_HMAC,
+	CRYPTO_SHA2_384_HMAC,
+	CRYPTO_SHA2_512_HMAC,
+	CRYPTO_ALGORITHM_MAX
+};
+
+#define CRYPTO_CIPHER_MAX_KEY_LEN 512
+#define CRYPTO_HMAC_MAX_KEY_LEN 512
+
+#define	HASH_MAX_LEN		64
+
+struct crparam;
+struct crypt_kop;
+
+/* ioctl parameter to create a session */
+struct session_op {
+	uint16_t		cipher;		/* e.g. CRYPTO_DES_CBC */
+	uint16_t		mac;		/* e.g. CRYPTO_MD5_HMAC */
+	uint8_t			*key;
+	size_t			keylen;		/* cipher key */
+	size_t			mackeylen;	/* mac key */
+	uint8_t			*mackey;
+
+	/* Return values */
+	uint32_t		ses;		/* session ID */
+};
+
+/* ioctl parameter to request a crypt/decrypt operation against a session  */
+struct crypt_op {
+	uint32_t	ses;		/* from session_op->ses */
+	#define COP_DECRYPT	0
+	#define COP_ENCRYPT	1
+	uint32_t	op;		/* ie. COP_ENCRYPT */
+	uint32_t	flags;		/* unused */
+
+	size_t		len;
+	void		*src, *dst;
+	void		*mac;
+	void		*iv;
+};
+
+/* clone original filedescriptor */
+#define CRIOGET         _IOWR('c', 101, uint32_t)
+
+/* create crypto session */
+#define CIOCGSESSION    _IOWR('c', 102, struct session_op)
+
+/* finish crypto session */
+#define CIOCFSESSION    _IOW('c', 103, uint32_t)
+
+/* request encryption/decryptions of a given buffer */
+#define CIOCCRYPT       _IOWR('c', 104, struct crypt_op)
+
+/* ioctl()s for asym-crypto. Not yet supported. */
+#define CIOCKEY         _IOWR('c', 105, void *)
+#define CIOCASYMFEAT    _IOR('c', 106, uint32_t)
+
+#endif /* _CRYPTODEV_H */
+
+/* unused structures */
+struct crparam {
+        caddr_t         crp_p;
+        uint32_t           crp_nbits;
+};
+
+#define CRK_MAXPARAM    8
+
+struct crypt_kop {
+        uint32_t           crk_op;         /* ie. CRK_MOD_EXP or other */
+        uint32_t           crk_status;     /* return status */
+        uint16_t         crk_iparams;    /* # of input parameters */ 
+        uint16_t         crk_oparams;    /* # of output parameters */
+        uint32_t           crk_crid;       /* NB: only used by CIOCKEY2 (rw) */
+        struct crparam  crk_param[CRK_MAXPARAM];
+};
+
+/* Definitions from openbsd's cryptodev */
+
+#define DES_BLOCK_LEN		8
+#define DES3_BLOCK_LEN		8
+#define BLOWFISH_BLOCK_LEN	8
+#define SKIPJACK_BLOCK_LEN	8
+#define CAST128_BLOCK_LEN	8
+#define RIJNDAEL128_BLOCK_LEN	16
+#define AES_BLOCK_LEN		RIJNDAEL128_BLOCK_LEN
+#define EALG_MAX_BLOCK_LEN	AES_BLOCK_LEN /* Keep this updated */
+
+#define	NULL_HASH_LEN		16
+#define	MD5_HASH_LEN		16
+#define	SHA1_HASH_LEN		20
+#define	RIPEMD160_HASH_LEN	20
+#define	SHA2_256_HASH_LEN	32
+#define	SHA2_384_HASH_LEN	48
+#define	SHA2_512_HASH_LEN	64
+#define	MD5_KPDK_HASH_LEN	16
+#define	SHA1_KPDK_HASH_LEN	20
+
+#define CRK_ALGORITM_MIN        0
+#define CRK_MOD_EXP             0
+#define CRK_MOD_EXP_CRT         1
+#define CRK_DSA_SIGN            2
+#define CRK_DSA_VERIFY          3
+#define CRK_DH_COMPUTE_KEY      4
+#define CRK_ALGORITHM_MAX       4 /* Keep updated - see below */
+
+#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)
+