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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,290 @@ | ||
| /* 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 */ | ||
|
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| #ifndef L_CRYPTODEV_H | ||
| #define L_CRYPTODEV_H | ||
|
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| #include <linux/types.h> | ||
| #ifndef __KERNEL__ | ||
| #define __user | ||
| #endif | ||
|
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| /* API extensions for linux */ | ||
| #define CRYPTO_HMAC_MAX_KEY_LEN 512 | ||
| #define CRYPTO_CIPHER_MAX_KEY_LEN 64 | ||
|
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| /* 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, | ||
|
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||
| 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 */ | ||
| }; | ||
|
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||
| #define CRYPTO_ALGORITHM_MAX (CRYPTO_ALGORITHM_ALL - 1) | ||
|
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||
| /* 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 | ||
|
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| /* maximum length of verbose alg names (depends on CRYPTO_MAX_ALG_NAME) */ | ||
| #define CRYPTODEV_MAX_ALG_NAME 64 | ||
|
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| #define HASH_MAX_LEN 64 | ||
|
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| /* input of CIOCGSESSION */ | ||
| struct session_op { | ||
| /* Specify either cipher or mac | ||
| */ | ||
| __u32 cipher; /* cryptodev_crypto_op_t */ | ||
| __u32 mac; /* cryptodev_crypto_op_t */ | ||
|
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| __u32 keylen; | ||
| __u8 __user *key; | ||
| __u32 mackeylen; | ||
| __u8 __user *mackey; | ||
|
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| __u32 ses; /* session identifier */ | ||
| }; | ||
|
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| struct session_info_op { | ||
| __u32 ses; /* session identifier */ | ||
|
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||
| /* 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; | ||
|
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| __u16 alignmask; /* alignment constraints */ | ||
| __u32 flags; /* SIOP_FLAGS_* */ | ||
| }; | ||
|
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| /* 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 | ||
|
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||
| #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; | ||
| }; | ||
|
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||
| /* 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 */ | ||
|
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| /* 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. */ | ||
|
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||
| /* initialization vector for encryption operations */ | ||
| __u8 __user *iv; | ||
| __u32 iv_len; | ||
| }; | ||
|
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||
| /* 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. | ||
| */ | ||
|
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|
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| /* struct crypt_op flags */ | ||
|
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||
| #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 */ | ||
|
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||
|
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||
| /* Stuff for bignum arithmetic and public key | ||
| * cryptography - not supported yet by linux | ||
| * cryptodev. | ||
| */ | ||
|
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||
| #define CRYPTO_ALG_FLAG_SUPPORTED 1 | ||
| #define CRYPTO_ALG_FLAG_RNG_ENABLE 2 | ||
| #define CRYPTO_ALG_FLAG_DSA_SHA 4 | ||
|
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||
| struct crparam { | ||
| __u8 *crp_p; | ||
| __u32 crp_nbits; | ||
| }; | ||
|
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||
| #define CRK_MAXPARAM 8 | ||
|
|
||
| /* input of CIOCKEY */ | ||
| struct crypt_kop { | ||
| __u32 crk_op; /* cryptodev_crk_ot_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) | ||
|
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|
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| /* 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) | ||
|
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| /* to indicate that CRIOGET is not required in linux | ||
| */ | ||
| #define CRIOGET_NOT_NEEDED 1 | ||
|
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| /* additional ioctls for asynchronous operation */ | ||
| #define CIOCASYNCCRYPT _IOW('c', 107, struct crypt_op) | ||
| #define CIOCASYNCFETCH _IOR('c', 108, struct crypt_op) | ||
|
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| /* additional ioctls for AEAD */ | ||
| #define CIOCAUTHCRYPT _IOWR('c', 109, struct crypt_auth_op) | ||
|
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||
| #endif /* L_CRYPTODEV_H */ | ||
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This file shouldn't exist in git