pk.h

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#ifndef MBEDTLS_PK_H
#define MBEDTLS_PK_H

#include <retro_inline.h>

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include "md.h"

#if defined(MBEDTLS_RSA_C)
#include "rsa.h"
#endif

#if defined(MBEDTLS_ECP_C)
#include "ecp.h"
#endif

#if defined(MBEDTLS_ECDSA_C)
#include "ecdsa.h"
#endif

#define MBEDTLS_ERR_PK_ALLOC_FAILED -0x3F80 
#define MBEDTLS_ERR_PK_TYPE_MISMATCH -0x3F00 
#define MBEDTLS_ERR_PK_BAD_INPUT_DATA -0x3E80 
#define MBEDTLS_ERR_PK_FILE_IO_ERROR -0x3E00 
#define MBEDTLS_ERR_PK_KEY_INVALID_VERSION -0x3D80 
#define MBEDTLS_ERR_PK_KEY_INVALID_FORMAT -0x3D00 
#define MBEDTLS_ERR_PK_UNKNOWN_PK_ALG -0x3C80 
#define MBEDTLS_ERR_PK_PASSWORD_REQUIRED -0x3C00 
#define MBEDTLS_ERR_PK_PASSWORD_MISMATCH -0x3B80 
#define MBEDTLS_ERR_PK_INVALID_PUBKEY -0x3B00 
#define MBEDTLS_ERR_PK_INVALID_ALG -0x3A80 
#define MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE -0x3A00 
#define MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE -0x3980 
#define MBEDTLS_ERR_PK_SIG_LEN_MISMATCH -0x3900 
#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
 MBEDTLS_PK_NONE=0,
 MBEDTLS_PK_RSA,
 MBEDTLS_PK_ECKEY,
 MBEDTLS_PK_ECKEY_DH,
 MBEDTLS_PK_ECDSA,
 MBEDTLS_PK_RSA_ALT,
 MBEDTLS_PK_RSASSA_PSS
} mbedtls_pk_type_t;

typedef struct
{
 mbedtls_md_type_t mgf1_hash_id;
 int expected_salt_len;

} mbedtls_pk_rsassa_pss_options;

typedef enum
{
 MBEDTLS_PK_DEBUG_NONE = 0,
 MBEDTLS_PK_DEBUG_MPI,
 MBEDTLS_PK_DEBUG_ECP
} mbedtls_pk_debug_type;

typedef struct
{
 mbedtls_pk_debug_type type;
 const char *name;
 void *value;
} mbedtls_pk_debug_item;

#define MBEDTLS_PK_DEBUG_MAX_ITEMS 3

typedef struct mbedtls_pk_info_t mbedtls_pk_info_t;

typedef struct
{
 const mbedtls_pk_info_t * pk_info; 
 void * pk_ctx; 
} mbedtls_pk_context;

#if defined(MBEDTLS_RSA_C)

static INLINE mbedtls_rsa_context *mbedtls_pk_rsa( const mbedtls_pk_context pk )
{
 return( (mbedtls_rsa_context *) (pk).pk_ctx );
}
#endif /* MBEDTLS_RSA_C */

#if defined(MBEDTLS_ECP_C)

static INLINE mbedtls_ecp_keypair *mbedtls_pk_ec( const mbedtls_pk_context pk )
{
 return( (mbedtls_ecp_keypair *) (pk).pk_ctx );
}
#endif /* MBEDTLS_ECP_C */

#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)

typedef int (*mbedtls_pk_rsa_alt_decrypt_func)( void *ctx, int mode, size_t *olen,
 const unsigned char *input, unsigned char *output,
 size_t output_max_len );
typedef int (*mbedtls_pk_rsa_alt_sign_func)( void *ctx,
 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
 int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
 const unsigned char *hash, unsigned char *sig );
typedef size_t (*mbedtls_pk_rsa_alt_key_len_func)( void *ctx );
#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */

const mbedtls_pk_info_t *mbedtls_pk_info_from_type( mbedtls_pk_type_t pk_type );

void mbedtls_pk_init( mbedtls_pk_context *ctx );

void mbedtls_pk_free( mbedtls_pk_context *ctx );

int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info );

#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)

int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
 mbedtls_pk_rsa_alt_decrypt_func decrypt_func,
 mbedtls_pk_rsa_alt_sign_func sign_func,
 mbedtls_pk_rsa_alt_key_len_func key_len_func );
#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */

size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx );

static INLINE size_t mbedtls_pk_get_len( const mbedtls_pk_context *ctx )
{
 return( ( mbedtls_pk_get_bitlen( ctx ) + 7 ) / 8 );
}

int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type );

int mbedtls_pk_verify( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
 const unsigned char *hash, size_t hash_len,
 const unsigned char *sig, size_t sig_len );

int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
 mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
 const unsigned char *hash, size_t hash_len,
 const unsigned char *sig, size_t sig_len );

int mbedtls_pk_sign( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
 const unsigned char *hash, size_t hash_len,
 unsigned char *sig, size_t *sig_len,
 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );

int mbedtls_pk_decrypt( mbedtls_pk_context *ctx,
 const unsigned char *input, size_t ilen,
 unsigned char *output, size_t *olen, size_t osize,
 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );

int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
 const unsigned char *input, size_t ilen,
 unsigned char *output, size_t *olen, size_t osize,
 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );

int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv );

int mbedtls_pk_debug( const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items );

const char * mbedtls_pk_get_name( const mbedtls_pk_context *ctx );

mbedtls_pk_type_t mbedtls_pk_get_type( const mbedtls_pk_context *ctx );

#if defined(MBEDTLS_PK_PARSE_C)

int mbedtls_pk_parse_key( mbedtls_pk_context *ctx,
 const unsigned char *key, size_t keylen,
 const unsigned char *pwd, size_t pwdlen );

int mbedtls_pk_parse_public_key( mbedtls_pk_context *ctx,
 const unsigned char *key, size_t keylen );

#if defined(MBEDTLS_FS_IO)

int mbedtls_pk_parse_keyfile( mbedtls_pk_context *ctx,
 const char *path, const char *password );

int mbedtls_pk_parse_public_keyfile( mbedtls_pk_context *ctx, const char *path );
#endif /* MBEDTLS_FS_IO */
#endif /* MBEDTLS_PK_PARSE_C */

#if defined(MBEDTLS_PK_WRITE_C)

int mbedtls_pk_write_key_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );

int mbedtls_pk_write_pubkey_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );

#if defined(MBEDTLS_PEM_WRITE_C)

int mbedtls_pk_write_pubkey_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );

int mbedtls_pk_write_key_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
#endif /* MBEDTLS_PEM_WRITE_C */
#endif /* MBEDTLS_PK_WRITE_C */

/*
 * WARNING: Low-level functions. You probably do not want to use these unless
 * you are certain you do ;)
 */

#if defined(MBEDTLS_PK_PARSE_C)

int mbedtls_pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
 mbedtls_pk_context *pk );
#endif /* MBEDTLS_PK_PARSE_C */

#if defined(MBEDTLS_PK_WRITE_C)

int mbedtls_pk_write_pubkey( unsigned char **p, unsigned char *start,
 const mbedtls_pk_context *key );
#endif /* MBEDTLS_PK_WRITE_C */

/*
 * Internal module functions. You probably do not want to use these unless you
 * know you do.
 */
#if defined(MBEDTLS_FS_IO)
int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n );
#endif

#ifdef __cplusplus
}
#endif

#endif /* MBEDTLS_PK_H */