270 lines
11 KiB
C
270 lines
11 KiB
C
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.] */
|
|
|
|
#ifndef OPENSSL_HEADER_EVP_INTERNAL_H
|
|
#define OPENSSL_HEADER_EVP_INTERNAL_H
|
|
|
|
#include <openssl/base.h>
|
|
|
|
#include <openssl/rsa.h>
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
struct evp_pkey_asn1_method_st {
|
|
int pkey_id;
|
|
uint8_t oid[9];
|
|
uint8_t oid_len;
|
|
|
|
// pub_decode decodes |params| and |key| as a SubjectPublicKeyInfo
|
|
// and writes the result into |out|. It returns one on success and zero on
|
|
// error. |params| is the AlgorithmIdentifier after the OBJECT IDENTIFIER
|
|
// type field, and |key| is the contents of the subjectPublicKey with the
|
|
// leading padding byte checked and removed. Although X.509 uses BIT STRINGs
|
|
// to represent SubjectPublicKeyInfo, every key type defined encodes the key
|
|
// as a byte string with the same conversion to BIT STRING.
|
|
int (*pub_decode)(EVP_PKEY *out, CBS *params, CBS *key);
|
|
|
|
// pub_encode encodes |key| as a SubjectPublicKeyInfo and appends the result
|
|
// to |out|. It returns one on success and zero on error.
|
|
int (*pub_encode)(CBB *out, const EVP_PKEY *key);
|
|
|
|
int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
|
|
|
|
// priv_decode decodes |params| and |key| as a PrivateKeyInfo and writes the
|
|
// result into |out|. It returns one on success and zero on error. |params| is
|
|
// the AlgorithmIdentifier after the OBJECT IDENTIFIER type field, and |key|
|
|
// is the contents of the OCTET STRING privateKey field.
|
|
int (*priv_decode)(EVP_PKEY *out, CBS *params, CBS *key);
|
|
|
|
// priv_encode encodes |key| as a PrivateKeyInfo and appends the result to
|
|
// |out|. It returns one on success and zero on error.
|
|
int (*priv_encode)(CBB *out, const EVP_PKEY *key);
|
|
|
|
int (*set_priv_raw)(EVP_PKEY *pkey, const uint8_t *in, size_t len);
|
|
int (*set_pub_raw)(EVP_PKEY *pkey, const uint8_t *in, size_t len);
|
|
int (*get_priv_raw)(const EVP_PKEY *pkey, uint8_t *out, size_t *out_len);
|
|
int (*get_pub_raw)(const EVP_PKEY *pkey, uint8_t *out, size_t *out_len);
|
|
|
|
// pkey_opaque returns 1 if the |pk| is opaque. Opaque keys are backed by
|
|
// custom implementations which do not expose key material and parameters.
|
|
int (*pkey_opaque)(const EVP_PKEY *pk);
|
|
|
|
int (*pkey_size)(const EVP_PKEY *pk);
|
|
int (*pkey_bits)(const EVP_PKEY *pk);
|
|
|
|
int (*param_missing)(const EVP_PKEY *pk);
|
|
int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
|
|
int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
|
|
|
|
void (*pkey_free)(EVP_PKEY *pkey);
|
|
} /* EVP_PKEY_ASN1_METHOD */;
|
|
|
|
|
|
#define EVP_PKEY_OP_UNDEFINED 0
|
|
#define EVP_PKEY_OP_KEYGEN (1 << 2)
|
|
#define EVP_PKEY_OP_SIGN (1 << 3)
|
|
#define EVP_PKEY_OP_VERIFY (1 << 4)
|
|
#define EVP_PKEY_OP_VERIFYRECOVER (1 << 5)
|
|
#define EVP_PKEY_OP_ENCRYPT (1 << 6)
|
|
#define EVP_PKEY_OP_DECRYPT (1 << 7)
|
|
#define EVP_PKEY_OP_DERIVE (1 << 8)
|
|
#define EVP_PKEY_OP_PARAMGEN (1 << 9)
|
|
|
|
#define EVP_PKEY_OP_TYPE_SIG \
|
|
(EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER)
|
|
|
|
#define EVP_PKEY_OP_TYPE_CRYPT (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
|
|
|
|
#define EVP_PKEY_OP_TYPE_NOGEN \
|
|
(EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
|
|
|
|
#define EVP_PKEY_OP_TYPE_GEN (EVP_PKEY_OP_KEYGEN | EVP_PKEY_OP_PARAMGEN)
|
|
|
|
// EVP_PKEY_CTX_ctrl performs |cmd| on |ctx|. The |keytype| and |optype|
|
|
// arguments can be -1 to specify that any type and operation are acceptable,
|
|
// otherwise |keytype| must match the type of |ctx| and the bits of |optype|
|
|
// must intersect the operation flags set on |ctx|.
|
|
//
|
|
// The |p1| and |p2| arguments depend on the value of |cmd|.
|
|
//
|
|
// It returns one on success and zero on error.
|
|
OPENSSL_EXPORT int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
|
|
int cmd, int p1, void *p2);
|
|
|
|
#define EVP_PKEY_CTRL_MD 1
|
|
#define EVP_PKEY_CTRL_GET_MD 2
|
|
|
|
// EVP_PKEY_CTRL_PEER_KEY is called with different values of |p1|:
|
|
// 0: Is called from |EVP_PKEY_derive_set_peer| and |p2| contains a peer key.
|
|
// If the return value is <= 0, the key is rejected.
|
|
// 1: Is called at the end of |EVP_PKEY_derive_set_peer| and |p2| contains a
|
|
// peer key. If the return value is <= 0, the key is rejected.
|
|
// 2: Is called with |p2| == NULL to test whether the peer's key was used.
|
|
// (EC)DH always return one in this case.
|
|
// 3: Is called with |p2| == NULL to set whether the peer's key was used.
|
|
// (EC)DH always return one in this case. This was only used for GOST.
|
|
#define EVP_PKEY_CTRL_PEER_KEY 3
|
|
|
|
// EVP_PKEY_ALG_CTRL is the base value from which key-type specific ctrl
|
|
// commands are numbered.
|
|
#define EVP_PKEY_ALG_CTRL 0x1000
|
|
|
|
#define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
|
|
#define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 2)
|
|
#define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 3)
|
|
#define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 4)
|
|
#define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 5)
|
|
#define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 6)
|
|
#define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 7)
|
|
#define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 8)
|
|
#define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 9)
|
|
#define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 10)
|
|
#define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 11)
|
|
#define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
|
|
#define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 13)
|
|
|
|
struct evp_pkey_ctx_st {
|
|
// Method associated with this operation
|
|
const EVP_PKEY_METHOD *pmeth;
|
|
// Engine that implements this method or NULL if builtin
|
|
ENGINE *engine;
|
|
// Key: may be NULL
|
|
EVP_PKEY *pkey;
|
|
// Peer key for key agreement, may be NULL
|
|
EVP_PKEY *peerkey;
|
|
// operation contains one of the |EVP_PKEY_OP_*| values.
|
|
int operation;
|
|
// Algorithm specific data
|
|
void *data;
|
|
} /* EVP_PKEY_CTX */;
|
|
|
|
struct evp_pkey_method_st {
|
|
int pkey_id;
|
|
|
|
int (*init)(EVP_PKEY_CTX *ctx);
|
|
int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);
|
|
void (*cleanup)(EVP_PKEY_CTX *ctx);
|
|
|
|
int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
|
|
|
|
int (*sign)(EVP_PKEY_CTX *ctx, uint8_t *sig, size_t *siglen,
|
|
const uint8_t *tbs, size_t tbslen);
|
|
|
|
int (*sign_message)(EVP_PKEY_CTX *ctx, uint8_t *sig, size_t *siglen,
|
|
const uint8_t *tbs, size_t tbslen);
|
|
|
|
int (*verify)(EVP_PKEY_CTX *ctx, const uint8_t *sig, size_t siglen,
|
|
const uint8_t *tbs, size_t tbslen);
|
|
|
|
int (*verify_message)(EVP_PKEY_CTX *ctx, const uint8_t *sig, size_t siglen,
|
|
const uint8_t *tbs, size_t tbslen);
|
|
|
|
int (*verify_recover)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *out_len,
|
|
const uint8_t *sig, size_t sig_len);
|
|
|
|
int (*encrypt)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *outlen,
|
|
const uint8_t *in, size_t inlen);
|
|
|
|
int (*decrypt)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *outlen,
|
|
const uint8_t *in, size_t inlen);
|
|
|
|
int (*derive)(EVP_PKEY_CTX *ctx, uint8_t *key, size_t *keylen);
|
|
|
|
int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
|
|
|
|
int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
|
|
} /* EVP_PKEY_METHOD */;
|
|
|
|
typedef struct {
|
|
union {
|
|
uint8_t priv[64];
|
|
struct {
|
|
// Shift the location of the public key to align with where it is in the
|
|
// private key representation.
|
|
uint8_t pad[32];
|
|
uint8_t value[32];
|
|
} pub;
|
|
} key;
|
|
char has_private;
|
|
} ED25519_KEY;
|
|
|
|
typedef struct {
|
|
uint8_t pub[32];
|
|
uint8_t priv[32];
|
|
char has_private;
|
|
} X25519_KEY;
|
|
|
|
extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meth;
|
|
extern const EVP_PKEY_ASN1_METHOD ec_asn1_meth;
|
|
extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meth;
|
|
extern const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth;
|
|
extern const EVP_PKEY_ASN1_METHOD x25519_asn1_meth;
|
|
|
|
extern const EVP_PKEY_METHOD rsa_pkey_meth;
|
|
extern const EVP_PKEY_METHOD ec_pkey_meth;
|
|
extern const EVP_PKEY_METHOD ed25519_pkey_meth;
|
|
extern const EVP_PKEY_METHOD x25519_pkey_meth;
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
} // extern C
|
|
#endif
|
|
|
|
#endif // OPENSSL_HEADER_EVP_INTERNAL_H
|