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 /*	$NetBSD: dst.h,v 1.1.1.1 2004/05/20 19:49:41 christos Exp $	*/

 /*

  * This version of this file is derived from Android 2.3 "Gingerbread",

  * which contains uncredited changes by Android/Google developers.  It has

  * been modified in 2011 for use in the Android build of Mozilla Firefox by

  * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>,

  * and Steve Workman <sjhworkman@gmail.com>).

  * These changes are offered under the same license as the original NetBSD

  * file, whose copyright and license are unchanged above.

  */

 #ifndef DST_H

 #define DST_H

 #ifndef HAS_DST_KEY

 typedef struct dst_key {

 	char	*dk_key_name;   /* name of the key */

 	int	dk_key_size;    /* this is the size of the key in bits */

 	int	dk_proto;       /* what protocols this key can be used for */

 	int	dk_alg;         /* algorithm number from key record */

 	u_int32_t dk_flags;     /* and the flags of the public key */

 	u_int16_t dk_id;        /* identifier of the key */

 } DST_KEY;

 #endif /* HAS_DST_KEY */

 /*

  * do not taint namespace

  */

 #define	dst_bsafe_init		__dst_bsafe_init

 #define	dst_buffer_to_key	__dst_buffer_to_key

 #define	dst_check_algorithm	__dst_check_algorithm

 #define	dst_compare_keys	__dst_compare_keys

 #define	dst_cylink_init		__dst_cylink_init

 #define	dst_dnskey_to_key	__dst_dnskey_to_key

 #define	dst_eay_dss_init	__dst_eay_dss_init

 #define	dst_free_key		__dst_free_key

 #define	dst_generate_key	__dst_generate_key

 #define	dst_hmac_md5_init	__dst_hmac_md5_init

 #define	dst_init		__dst_init

 #define	dst_key_to_buffer	__dst_key_to_buffer

 #define	dst_key_to_dnskey	__dst_key_to_dnskey

 #define	dst_read_key		__dst_read_key

 #define	dst_rsaref_init		__dst_rsaref_init

 #define	dst_s_build_filename	__dst_s_build_filename

 #define	dst_s_calculate_bits	__dst_s_calculate_bits

 #define	dst_s_conv_bignum_b64_to_u8	__dst_s_conv_bignum_b64_to_u8

 #define	dst_s_conv_bignum_u8_to_b64	__dst_s_conv_bignum_u8_to_b64

 #define	dst_s_dns_key_id	__dst_s_dns_key_id

 #define	dst_s_dump		__dst_s_dump

 #define	dst_s_filename_length	__dst_s_filename_length

 #define	dst_s_fopen		__dst_s_fopen

 #define	dst_s_get_int16		__dst_s_get_int16

 #define	dst_s_get_int32		__dst_s_get_int32

 #define	dst_s_id_calc		__dst_s_id_calc

 #define	dst_s_put_int16		__dst_s_put_int16

 #define	dst_s_put_int32		__dst_s_put_int32

 #define	dst_s_quick_random	__dst_s_quick_random

 #define	dst_s_quick_random_set	__dst_s_quick_random_set

 #define	dst_s_random		__dst_s_random

 #define	dst_s_semi_random	__dst_s_semi_random

 #define	dst_s_verify_str	__dst_s_verify_str

 #define	dst_sig_size		__dst_sig_size

 #define	dst_sign_data		__dst_sign_data

 #define	dst_verify_data		__dst_verify_data

 #define	dst_write_key		__dst_write_key

 /* 

  * DST Crypto API defintions 

  */

 void     dst_init(void);

 int      dst_check_algorithm(const int);

 int dst_sign_data(const int,	 	/* specifies INIT/UPDATE/FINAL/ALL */

 		  DST_KEY *,	 	/* the key to use */

 		  void **,	 	/* pointer to state structure */

 		  const u_char *,	/* data to be signed */

 		  const int,	 	/* length of input data */

 		  u_char *,	 	/* buffer to write signature to */

 		  const int);	 	/* size of output buffer */

 int dst_verify_data(const int,	 	/* specifies INIT/UPDATE/FINAL/ALL */

 		    DST_KEY *,	 	/* the key to use */

 		    void **,	 	/* pointer to state structure */

 		    const u_char *,	/* data to be verified */

 		    const int,	 	/* length of input data */

 		    const u_char *,	/* buffer containing signature */

 		    const int);	 	/* length of signature */

 DST_KEY *dst_read_key(const char *,	/* name of key */

 		      const u_int16_t,	/* key tag identifier */

 		      const int,	/* key algorithm */

 		      const int);	/* Private/PublicKey wanted*/

 int      dst_write_key(const DST_KEY *,	/* key to write out */

 		       const int); 	/* Public/Private */

 DST_KEY *dst_dnskey_to_key(const char *,	/* KEY record name */

 			   const u_char *,	/* KEY RDATA */

 			   const int);		/* size of input buffer*/

 int      dst_key_to_dnskey(const DST_KEY *,	/* key to translate */

 			   u_char *,		/* output buffer */

 			   const int);		/* size of out_storage*/

 DST_KEY *dst_buffer_to_key(const char *,  	/* name of the key */

 			   const int,	  	/* algorithm */

 			   const int,	  	/* dns flags */

 			   const int,	  	/* dns protocol */

 			   const u_char *, 	/* key in dns wire fmt */

 			   const int);	  	/* size of key */

 int     dst_key_to_buffer(DST_KEY *, u_char *, int);

 DST_KEY *dst_generate_key(const char *,    	/* name of new key */

 			  const int,       	/* key algorithm to generate */

 			  const int,      	/* size of new key */

 			  const int,       	/* alg dependent parameter*/

 			  const int,     	/* key DNS flags */

 			  const int);		/* key DNS protocol */

 DST_KEY *dst_free_key(DST_KEY *);

 int      dst_compare_keys(const DST_KEY *, const DST_KEY *);

 int	dst_sig_size(DST_KEY *);

 /* support for dns key tags/ids */

 u_int16_t dst_s_dns_key_id(const u_char *, const int);

 u_int16_t dst_s_id_calc(const u_char *, const int);

 /* Used by callers as well as by the library.  */

 #define RAW_KEY_SIZE    8192        /* large enough to store any key */

 /* DST_API control flags */

 /* These are used used in functions dst_sign_data and dst_verify_data */

 #define SIG_MODE_INIT		1  /* initialize digest */

 #define SIG_MODE_UPDATE		2  /* add data to digest */

 #define SIG_MODE_FINAL		4  /* generate/verify signature */

 #define SIG_MODE_ALL		(SIG_MODE_INIT|SIG_MODE_UPDATE|SIG_MODE_FINAL)

 /* Flags for dst_read_private_key()  */

 #define DST_FORCE_READ		0x1000000

 #define DST_CAN_SIGN		0x010F

 #define DST_NO_AUTHEN		0x8000

 #define DST_EXTEND_FLAG         0x1000

 #define DST_STANDARD		0

 #define DST_PRIVATE             0x2000000

 #define DST_PUBLIC              0x4000000

 #define DST_RAND_SEMI           1

 #define DST_RAND_STD            2

 #define DST_RAND_KEY            3

 #define DST_RAND_DSS            4

 /* DST algorithm codes */

 #define KEY_RSA			1

 #define KEY_DH			2

 #define KEY_DSA			3

 #define KEY_PRIVATE		254

 #define KEY_EXPAND		255

 #define KEY_HMAC_MD5		157

 #define KEY_HMAC_SHA1		158

 #define UNKNOWN_KEYALG		0

 #define DST_MAX_ALGS            KEY_HMAC_SHA1

 /* DST constants to locations in KEY record  changes in new KEY record */

 #define DST_FLAGS_SIZE		2

 #define DST_KEY_PROT		2

 #define DST_KEY_ALG		3

 #define DST_EXT_FLAG            4

 #define DST_KEY_START		4

 #ifndef SIGN_F_NOKEY 

 #define SIGN_F_NOKEY		0xC000

 #endif

 /* error codes from dst routines */

 #define SIGN_INIT_FAILURE	(-23)

 #define SIGN_UPDATE_FAILURE	(-24)

 #define SIGN_FINAL_FAILURE	(-25)

 #define VERIFY_INIT_FAILURE	(-26)

 #define VERIFY_UPDATE_FAILURE	(-27)

 #define VERIFY_FINAL_FAILURE	(-28)

 #define MISSING_KEY_OR_SIGNATURE (-30)

 #define UNSUPPORTED_KEYALG	(-31)

 #endif /* DST_H */