mbed TLS v2.7.17
pk.h
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1 
6 /*
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49 
50 #ifndef MBEDTLS_PK_H
51 #define MBEDTLS_PK_H
52 
53 #if !defined(MBEDTLS_CONFIG_FILE)
54 #include "config.h"
55 #else
56 #include MBEDTLS_CONFIG_FILE
57 #endif
58 
59 #include "md.h"
60 
61 #if defined(MBEDTLS_RSA_C)
62 #include "rsa.h"
63 #endif
64 
65 #if defined(MBEDTLS_ECP_C)
66 #include "ecp.h"
67 #endif
68 
69 #if defined(MBEDTLS_ECDSA_C)
70 #include "ecdsa.h"
71 #endif
72 
73 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
74  !defined(inline) && !defined(__cplusplus)
75 #define inline __inline
76 #endif
77 
78 #define MBEDTLS_ERR_PK_ALLOC_FAILED -0x3F80
79 #define MBEDTLS_ERR_PK_TYPE_MISMATCH -0x3F00
80 #define MBEDTLS_ERR_PK_BAD_INPUT_DATA -0x3E80
81 #define MBEDTLS_ERR_PK_FILE_IO_ERROR -0x3E00
82 #define MBEDTLS_ERR_PK_KEY_INVALID_VERSION -0x3D80
83 #define MBEDTLS_ERR_PK_KEY_INVALID_FORMAT -0x3D00
84 #define MBEDTLS_ERR_PK_UNKNOWN_PK_ALG -0x3C80
85 #define MBEDTLS_ERR_PK_PASSWORD_REQUIRED -0x3C00
86 #define MBEDTLS_ERR_PK_PASSWORD_MISMATCH -0x3B80
87 #define MBEDTLS_ERR_PK_INVALID_PUBKEY -0x3B00
88 #define MBEDTLS_ERR_PK_INVALID_ALG -0x3A80
89 #define MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE -0x3A00
90 #define MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE -0x3980
91 #define MBEDTLS_ERR_PK_SIG_LEN_MISMATCH -0x3900
92 #define MBEDTLS_ERR_PK_HW_ACCEL_FAILED -0x3880
94 #ifdef __cplusplus
95 extern "C" {
96 #endif
97 
101 typedef enum {
110 
115 typedef struct
116 {
119 
121 
125 typedef enum
126 {
131 
135 typedef struct
136 {
138  const char *name;
139  void *value;
141 
143 #define MBEDTLS_PK_DEBUG_MAX_ITEMS 3
144 
149 
153 typedef struct
154 {
156  void * pk_ctx;
158 
159 #if defined(MBEDTLS_RSA_C)
160 
167 {
168  return( (mbedtls_rsa_context *) (pk).pk_ctx );
169 }
170 #endif /* MBEDTLS_RSA_C */
171 
172 #if defined(MBEDTLS_ECP_C)
173 
180 {
181  return( (mbedtls_ecp_keypair *) (pk).pk_ctx );
182 }
183 #endif /* MBEDTLS_ECP_C */
184 
185 #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
186 
189 typedef int (*mbedtls_pk_rsa_alt_decrypt_func)( void *ctx, int mode, size_t *olen,
190  const unsigned char *input, unsigned char *output,
191  size_t output_max_len );
192 typedef int (*mbedtls_pk_rsa_alt_sign_func)( void *ctx,
193  int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
194  int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
195  const unsigned char *hash, unsigned char *sig );
196 typedef size_t (*mbedtls_pk_rsa_alt_key_len_func)( void *ctx );
197 #endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
198 
207 
212 
217 
232 int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info );
233 
234 #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
235 
249 int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
250  mbedtls_pk_rsa_alt_decrypt_func decrypt_func,
252  mbedtls_pk_rsa_alt_key_len_func key_len_func );
253 #endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
254 
262 size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx );
263 
270 static inline size_t mbedtls_pk_get_len( const mbedtls_pk_context *ctx )
271 {
272  return( ( mbedtls_pk_get_bitlen( ctx ) + 7 ) / 8 );
273 }
274 
285 
311  const unsigned char *hash, size_t hash_len,
312  const unsigned char *sig, size_t sig_len );
313 
343 int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
345  const unsigned char *hash, size_t hash_len,
346  const unsigned char *sig, size_t sig_len );
347 
377  const unsigned char *hash, size_t hash_len,
378  unsigned char *sig, size_t *sig_len,
379  int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
380 
398  const unsigned char *input, size_t ilen,
399  unsigned char *output, size_t *olen, size_t osize,
400  int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
401 
419  const unsigned char *input, size_t ilen,
420  unsigned char *output, size_t *olen, size_t osize,
421  int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
422 
431 int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv );
432 
442 
450 const char * mbedtls_pk_get_name( const mbedtls_pk_context *ctx );
451 
460 
461 #if defined(MBEDTLS_PK_PARSE_C)
462 
482  const unsigned char *key, size_t keylen,
483  const unsigned char *pwd, size_t pwdlen );
484 
503  const unsigned char *key, size_t keylen );
504 
505 #if defined(MBEDTLS_FS_IO)
506 
523  const char *path, const char *password );
524 
541 int mbedtls_pk_parse_public_keyfile( mbedtls_pk_context *ctx, const char *path );
542 #endif /* MBEDTLS_FS_IO */
543 #endif /* MBEDTLS_PK_PARSE_C */
544 
545 #if defined(MBEDTLS_PK_WRITE_C)
546 
559 int mbedtls_pk_write_key_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
560 
574 int mbedtls_pk_write_pubkey_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
575 
576 #if defined(MBEDTLS_PEM_WRITE_C)
577 
586 int mbedtls_pk_write_pubkey_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
587 
597 int mbedtls_pk_write_key_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
598 #endif /* MBEDTLS_PEM_WRITE_C */
599 #endif /* MBEDTLS_PK_WRITE_C */
600 
601 /*
602  * WARNING: Low-level functions. You probably do not want to use these unless
603  * you are certain you do ;)
604  */
605 
606 #if defined(MBEDTLS_PK_PARSE_C)
607 
616 int mbedtls_pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
617  mbedtls_pk_context *pk );
618 #endif /* MBEDTLS_PK_PARSE_C */
619 
620 #if defined(MBEDTLS_PK_WRITE_C)
621 
631 int mbedtls_pk_write_pubkey( unsigned char **p, unsigned char *start,
632  const mbedtls_pk_context *key );
633 #endif /* MBEDTLS_PK_WRITE_C */
634 
635 /*
636  * Internal module functions. You probably do not want to use these unless you
637  * know you do.
638  */
639 #if defined(MBEDTLS_FS_IO)
640 int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n );
641 #endif
642 
643 #ifdef __cplusplus
644 }
645 #endif
646 
647 #endif /* MBEDTLS_PK_H */
int mbedtls_pk_write_pubkey_pem(mbedtls_pk_context *ctx, unsigned char *buf, size_t size)
Write a public key to a PEM string.
Options for RSASSA-PSS signature verification. See mbedtls_rsa_rsassa_pss_verify_ext() ...
Definition: pk.h:115
Public key container.
Definition: pk.h:153
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)
Initialize an RSA-alt context.
int mbedtls_pk_parse_subpubkey(unsigned char **p, const unsigned char *end, mbedtls_pk_context *pk)
Parse a SubjectPublicKeyInfo DER structure.
void mbedtls_pk_init(mbedtls_pk_context *ctx)
Initialize a mbedtls_pk_context (as NONE)
static mbedtls_rsa_context * mbedtls_pk_rsa(const mbedtls_pk_context pk)
Definition: pk.h:166
mbedtls_pk_debug_type
Types for interfacing with the debug module.
Definition: pk.h:125
int mbedtls_pk_can_do(const mbedtls_pk_context *ctx, mbedtls_pk_type_t type)
Tell if a context can do the operation given by type.
int mbedtls_pk_write_pubkey_der(mbedtls_pk_context *ctx, unsigned char *buf, size_t size)
Write a public key to a SubjectPublicKeyInfo DER structure Note: data is written at the end of the bu...
int mbedtls_pk_write_pubkey(unsigned char **p, unsigned char *start, const mbedtls_pk_context *key)
Write a subjectPublicKey to ASN.1 data Note: function works backwards in data buffer.
Elliptic curves over GF(p)
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)
Verify signature, with options. (Includes verification of the padding depending on type...
ECP key pair structure.
Definition: ecp.h:198
The Elliptic Curve Digital Signature Algorithm (ECDSA).
const mbedtls_pk_info_t * pk_info
Definition: pk.h:155
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)
Encrypt message (including padding if relevant).
size_t mbedtls_pk_get_bitlen(const mbedtls_pk_context *ctx)
Get the size in bits of the underlying key.
mbedtls_pk_type_t
Public key types.
Definition: pk.h:101
Configuration options (set of defines)
void * value
Definition: pk.h:139
static size_t mbedtls_pk_get_len(const mbedtls_pk_context *ctx)
Get the length in bytes of the underlying key.
Definition: pk.h:270
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)
Make signature, including padding if relevant.
const char * name
Definition: pk.h:138
int mbedtls_pk_debug(const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items)
Export debug information.
void * pk_ctx
Definition: pk.h:156
int mbedtls_pk_parse_public_key(mbedtls_pk_context *ctx, const unsigned char *key, size_t keylen)
Parse a public key in PEM or DER format.
int mbedtls_pk_parse_key(mbedtls_pk_context *ctx, const unsigned char *key, size_t keylen, const unsigned char *pwd, size_t pwdlen)
Parse a private key in PEM or DER format.
void mbedtls_pk_free(mbedtls_pk_context *ctx)
Free a mbedtls_pk_context.
mbedtls_md_type_t mgf1_hash_id
Definition: pk.h:117
size_t(* mbedtls_pk_rsa_alt_key_len_func)(void *ctx)
Definition: pk.h:196
int mbedtls_pk_parse_keyfile(mbedtls_pk_context *ctx, const char *path, const char *password)
Load and parse a private key.
struct mbedtls_pk_info_t mbedtls_pk_info_t
Public key information and operations.
Definition: pk.h:148
The generic message-digest wrapper.
The RSA public-key cryptosystem.
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)
Types for RSA-alt abstraction.
Definition: pk.h:189
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)
Verify signature (including padding if relevant).
mbedtls_pk_type_t mbedtls_pk_get_type(const mbedtls_pk_context *ctx)
Get the key type.
int mbedtls_pk_write_key_pem(mbedtls_pk_context *ctx, unsigned char *buf, size_t size)
Write a private key to a PKCS#1 or SEC1 PEM string.
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)
Definition: pk.h:192
int mbedtls_pk_write_key_der(mbedtls_pk_context *ctx, unsigned char *buf, size_t size)
Write a private key to a PKCS#1 or SEC1 DER structure Note: data is written at the end of the buffer!...
const char * mbedtls_pk_get_name(const mbedtls_pk_context *ctx)
Access the type name.
int mbedtls_pk_load_file(const char *path, unsigned char **buf, size_t *n)
static mbedtls_ecp_keypair * mbedtls_pk_ec(const mbedtls_pk_context pk)
Definition: pk.h:179
int mbedtls_pk_setup(mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info)
Initialize a PK context with the information given and allocates the type-specific PK subcontext...
mbedtls_pk_debug_type type
Definition: pk.h:137
int mbedtls_pk_check_pair(const mbedtls_pk_context *pub, const mbedtls_pk_context *prv)
Check if a public-private pair of keys matches.
mbedtls_md_type_t
Enumeration of supported message digests.
Definition: md.h:81
The RSA context structure.
Definition: rsa.h:119
Item to send to the debug module.
Definition: pk.h:135
int mbedtls_pk_parse_public_keyfile(mbedtls_pk_context *ctx, const char *path)
Load and parse a public key.
const mbedtls_pk_info_t * mbedtls_pk_info_from_type(mbedtls_pk_type_t pk_type)
Return information associated with the given PK type.
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)
Decrypt message (including padding if relevant).