diff options
Diffstat (limited to 'arch/s390/include/uapi')
| -rw-r--r-- | arch/s390/include/uapi/asm/pkey.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/pkey.h b/arch/s390/include/uapi/asm/pkey.h index fef08dbd2e8d..c0e86ce4a00b 100644 --- a/arch/s390/include/uapi/asm/pkey.h +++ b/arch/s390/include/uapi/asm/pkey.h @@ -21,9 +21,13 @@ #define PKEY_IOCTL_MAGIC 'p' #define SECKEYBLOBSIZE 64 /* secure key blob size is always 64 bytes */ +#define PROTKEYBLOBSIZE 80 /* protected key blob size is always 80 bytes */ #define MAXPROTKEYSIZE 64 /* a protected key blob may be up to 64 bytes */ #define MAXCLRKEYSIZE 32 /* a clear key value may be up to 32 bytes */ +#define MINKEYBLOBSIZE SECKEYBLOBSIZE /* Minimum size of a key blob */ +#define MAXKEYBLOBSIZE PROTKEYBLOBSIZE /* Maximum size of a key blob */ + /* defines for the type field within the pkey_protkey struct */ #define PKEY_KEYTYPE_AES_128 1 #define PKEY_KEYTYPE_AES_192 2 @@ -148,4 +152,15 @@ struct pkey_verifyprotk { #define PKEY_VERIFYPROTK _IOW(PKEY_IOCTL_MAGIC, 0x09, struct pkey_verifyprotk) +/* + * Transform an key blob (of any type) into a protected key + */ +struct pkey_kblob2pkey { + __u8 __user *key; /* in: the key blob */ + __u32 keylen; /* in: the key blob length */ + struct pkey_protkey protkey; /* out: the protected key */ +}; + +#define PKEY_KBLOB2PROTK _IOWR(PKEY_IOCTL_MAGIC, 0x0A, struct pkey_kblob2pkey) + #endif /* _UAPI_PKEY_H */ |