[thirdparty/openssl.git] / crypto / evp / evp_local.h

/*
 * Copyright 2000-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/core_dispatch.h>
#include "internal/refcount.h"

#define EVP_CTRL_RET_UNSUPPORTED -1


struct evp_md_ctx_st {
    const EVP_MD *reqdigest;    /* The original requested digest */
    const EVP_MD *digest;
    ENGINE *engine;             /* functional reference if 'digest' is
                                 * ENGINE-provided */
    unsigned long flags;
    void *md_data;
    /* Public key context for sign/verify */
    EVP_PKEY_CTX *pctx;
    /* Update function: usually copied from EVP_MD */
    int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);

    /*
     * Opaque ctx returned from a providers digest algorithm implementation
     * OSSL_FUNC_digest_newctx()
     */
    void *algctx;
    EVP_MD *fetched_digest;
} /* EVP_MD_CTX */ ;

struct evp_cipher_ctx_st {
    const EVP_CIPHER *cipher;
    ENGINE *engine;             /* functional reference if 'cipher' is
                                 * ENGINE-provided */
    int encrypt;                /* encrypt or decrypt */
    int buf_len;                /* number we have left */
    unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
    unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
    unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
    int num;                    /* used by cfb/ofb/ctr mode */
    /* FIXME: Should this even exist? It appears unused */
    void *app_data;             /* application stuff */
    int key_len;                /* May change for variable length cipher */
    int iv_len;                 /* IV length */
    unsigned long flags;        /* Various flags */
    void *cipher_data;          /* per EVP data */
    int final_used;
    int block_mask;
    unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */

    /*
     * Opaque ctx returned from a providers cipher algorithm implementation
     * OSSL_FUNC_cipher_newctx()
     */
    void *algctx;
    EVP_CIPHER *fetched_cipher;
} /* EVP_CIPHER_CTX */ ;

struct evp_mac_ctx_st {
    EVP_MAC *meth;               /* Method structure */
    /*
     * Opaque ctx returned from a providers MAC algorithm implementation
     * OSSL_FUNC_mac_newctx()
     */
    void *algctx;
} /* EVP_MAC_CTX */;

struct evp_kdf_ctx_st {
    EVP_KDF *meth;              /* Method structure */
    /*
     * Opaque ctx returned from a providers KDF algorithm implementation
     * OSSL_FUNC_kdf_newctx()
     */
    void *algctx;
} /* EVP_KDF_CTX */ ;

struct evp_rand_ctx_st {
    EVP_RAND *meth;             /* Method structure */
    /*
     * Opaque ctx returned from a providers rand algorithm implementation
     * OSSL_FUNC_rand_newctx()
     */
    void *algctx;
    EVP_RAND_CTX *parent;       /* Parent EVP_RAND or NULL if none */
    CRYPTO_REF_COUNT refcnt;    /* Context reference count */
    CRYPTO_RWLOCK *refcnt_lock;
} /* EVP_RAND_CTX */ ;

struct evp_keymgmt_st {
    int id;                      /* libcrypto internal */

    int name_id;
    /* NID for the legacy alg if there is one */
    int legacy_alg;
    char *type_name;
    const char *description;
    OSSL_PROVIDER *prov;
    CRYPTO_REF_COUNT refcnt;

    /* Constructor(s), destructor, information */
    OSSL_FUNC_keymgmt_new_fn *new;
    OSSL_FUNC_keymgmt_free_fn *free;
    OSSL_FUNC_keymgmt_get_params_fn *get_params;
    OSSL_FUNC_keymgmt_gettable_params_fn *gettable_params;
    OSSL_FUNC_keymgmt_set_params_fn *set_params;
    OSSL_FUNC_keymgmt_settable_params_fn *settable_params;

    /* Generation, a complex constructor */
    OSSL_FUNC_keymgmt_gen_init_fn *gen_init;
    OSSL_FUNC_keymgmt_gen_set_template_fn *gen_set_template;
    OSSL_FUNC_keymgmt_gen_set_params_fn *gen_set_params;
    OSSL_FUNC_keymgmt_gen_settable_params_fn *gen_settable_params;
    OSSL_FUNC_keymgmt_gen_fn *gen;
    OSSL_FUNC_keymgmt_gen_cleanup_fn *gen_cleanup;

    OSSL_FUNC_keymgmt_load_fn *load;

    /* Key object checking */
    OSSL_FUNC_keymgmt_query_operation_name_fn *query_operation_name;
    OSSL_FUNC_keymgmt_has_fn *has;
    OSSL_FUNC_keymgmt_validate_fn *validate;
    OSSL_FUNC_keymgmt_match_fn *match;

    /* Import and export routines */
    OSSL_FUNC_keymgmt_import_fn *import;
    OSSL_FUNC_keymgmt_import_types_fn *import_types;
    OSSL_FUNC_keymgmt_import_types_ex_fn *import_types_ex;
    OSSL_FUNC_keymgmt_export_fn *export;
    OSSL_FUNC_keymgmt_export_types_fn *export_types;
    OSSL_FUNC_keymgmt_export_types_ex_fn *export_types_ex;
    OSSL_FUNC_keymgmt_dup_fn *dup;
} /* EVP_KEYMGMT */ ;

struct evp_keyexch_st {
    int name_id;
    char *type_name;
    const char *description;
    OSSL_PROVIDER *prov;
    CRYPTO_REF_COUNT refcnt;

    OSSL_FUNC_keyexch_newctx_fn *newctx;
    OSSL_FUNC_keyexch_init_fn *init;
    OSSL_FUNC_keyexch_set_peer_fn *set_peer;
    OSSL_FUNC_keyexch_derive_fn *derive;
    OSSL_FUNC_keyexch_freectx_fn *freectx;
    OSSL_FUNC_keyexch_dupctx_fn *dupctx;
    OSSL_FUNC_keyexch_set_ctx_params_fn *set_ctx_params;
    OSSL_FUNC_keyexch_settable_ctx_params_fn *settable_ctx_params;
    OSSL_FUNC_keyexch_get_ctx_params_fn *get_ctx_params;
    OSSL_FUNC_keyexch_gettable_ctx_params_fn *gettable_ctx_params;
} /* EVP_KEYEXCH */;

struct evp_signature_st {
    int name_id;
    char *type_name;
    const char *description;
    OSSL_PROVIDER *prov;
    CRYPTO_REF_COUNT refcnt;

    OSSL_FUNC_signature_newctx_fn *newctx;
    OSSL_FUNC_signature_sign_init_fn *sign_init;
    OSSL_FUNC_signature_sign_fn *sign;
    OSSL_FUNC_signature_verify_init_fn *verify_init;
    OSSL_FUNC_signature_verify_fn *verify;
    OSSL_FUNC_signature_verify_recover_init_fn *verify_recover_init;
    OSSL_FUNC_signature_verify_recover_fn *verify_recover;
    OSSL_FUNC_signature_digest_sign_init_fn *digest_sign_init;
    OSSL_FUNC_signature_digest_sign_update_fn *digest_sign_update;
    OSSL_FUNC_signature_digest_sign_final_fn *digest_sign_final;
    OSSL_FUNC_signature_digest_sign_fn *digest_sign;
    OSSL_FUNC_signature_digest_verify_init_fn *digest_verify_init;
    OSSL_FUNC_signature_digest_verify_update_fn *digest_verify_update;
    OSSL_FUNC_signature_digest_verify_final_fn *digest_verify_final;
    OSSL_FUNC_signature_digest_verify_fn *digest_verify;
    OSSL_FUNC_signature_freectx_fn *freectx;
    OSSL_FUNC_signature_dupctx_fn *dupctx;
    OSSL_FUNC_signature_get_ctx_params_fn *get_ctx_params;
    OSSL_FUNC_signature_gettable_ctx_params_fn *gettable_ctx_params;
    OSSL_FUNC_signature_set_ctx_params_fn *set_ctx_params;
    OSSL_FUNC_signature_settable_ctx_params_fn *settable_ctx_params;
    OSSL_FUNC_signature_get_ctx_md_params_fn *get_ctx_md_params;
    OSSL_FUNC_signature_gettable_ctx_md_params_fn *gettable_ctx_md_params;
    OSSL_FUNC_signature_set_ctx_md_params_fn *set_ctx_md_params;
    OSSL_FUNC_signature_settable_ctx_md_params_fn *settable_ctx_md_params;
} /* EVP_SIGNATURE */;

struct evp_asym_cipher_st {
    int name_id;
    char *type_name;
    const char *description;
    OSSL_PROVIDER *prov;
    CRYPTO_REF_COUNT refcnt;

    OSSL_FUNC_asym_cipher_newctx_fn *newctx;
    OSSL_FUNC_asym_cipher_encrypt_init_fn *encrypt_init;
    OSSL_FUNC_asym_cipher_encrypt_fn *encrypt;
    OSSL_FUNC_asym_cipher_decrypt_init_fn *decrypt_init;
    OSSL_FUNC_asym_cipher_decrypt_fn *decrypt;
    OSSL_FUNC_asym_cipher_freectx_fn *freectx;
    OSSL_FUNC_asym_cipher_dupctx_fn *dupctx;
    OSSL_FUNC_asym_cipher_get_ctx_params_fn *get_ctx_params;
    OSSL_FUNC_asym_cipher_gettable_ctx_params_fn *gettable_ctx_params;
    OSSL_FUNC_asym_cipher_set_ctx_params_fn *set_ctx_params;
    OSSL_FUNC_asym_cipher_settable_ctx_params_fn *settable_ctx_params;
} /* EVP_ASYM_CIPHER */;

struct evp_kem_st {
    int name_id;
    char *type_name;
    const char *description;
    OSSL_PROVIDER *prov;
    CRYPTO_REF_COUNT refcnt;

    OSSL_FUNC_kem_newctx_fn *newctx;
    OSSL_FUNC_kem_encapsulate_init_fn *encapsulate_init;
    OSSL_FUNC_kem_encapsulate_fn *encapsulate;
    OSSL_FUNC_kem_decapsulate_init_fn *decapsulate_init;
    OSSL_FUNC_kem_decapsulate_fn *decapsulate;
    OSSL_FUNC_kem_freectx_fn *freectx;
    OSSL_FUNC_kem_dupctx_fn *dupctx;
    OSSL_FUNC_kem_get_ctx_params_fn *get_ctx_params;
    OSSL_FUNC_kem_gettable_ctx_params_fn *gettable_ctx_params;
    OSSL_FUNC_kem_set_ctx_params_fn *set_ctx_params;
    OSSL_FUNC_kem_settable_ctx_params_fn *settable_ctx_params;
    OSSL_FUNC_kem_auth_encapsulate_init_fn *auth_encapsulate_init;
    OSSL_FUNC_kem_auth_decapsulate_init_fn *auth_decapsulate_init;
} /* EVP_KEM */;

int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
                             int passlen, ASN1_TYPE *param,
                             const EVP_CIPHER *c, const EVP_MD *md,
                             int en_de);
int PKCS5_v2_PBKDF2_keyivgen_ex(EVP_CIPHER_CTX *ctx, const char *pass,
                                int passlen, ASN1_TYPE *param,
                                const EVP_CIPHER *c, const EVP_MD *md,
                                int en_de, OSSL_LIB_CTX *libctx, const char *propq);

struct evp_Encode_Ctx_st {
    /* number saved in a partial encode/decode */
    int num;
    /*
     * The length is either the output line length (in input bytes) or the
     * shortest input line length that is ok.  Once decoding begins, the
     * length is adjusted up each time a longer line is decoded
     */
    int length;
    /* data to encode */
    unsigned char enc_data[80];
    /* number read on current line */
    int line_num;
    unsigned int flags;
};

typedef struct evp_pbe_st EVP_PBE_CTL;
DEFINE_STACK_OF(EVP_PBE_CTL)

int ossl_is_partially_overlapping(const void *ptr1, const void *ptr2, int len);

#include <openssl/types.h>
#include <openssl/core.h>

void *evp_generic_fetch(OSSL_LIB_CTX *ctx, int operation_id,
                        const char *name, const char *properties,
                        void *(*new_method)(int name_id,
                                            const OSSL_ALGORITHM *algodef,
                                            OSSL_PROVIDER *prov),
                        int (*up_ref_method)(void *),
                        void (*free_method)(void *));
void *evp_generic_fetch_from_prov(OSSL_PROVIDER *prov, int operation_id,
                                  const char *name, const char *properties,
                                  void *(*new_method)(int name_id,
                                                      const OSSL_ALGORITHM *algodef,
                                                      OSSL_PROVIDER *prov),
                                  int (*up_ref_method)(void *),
                                  void (*free_method)(void *));
void evp_generic_do_all_prefetched(OSSL_LIB_CTX *libctx, int operation_id,
                                   void (*user_fn)(void *method, void *arg),
                                   void *user_arg);
void evp_generic_do_all(OSSL_LIB_CTX *libctx, int operation_id,
                        void (*user_fn)(void *method, void *arg),
                        void *user_arg,
                        void *(*new_method)(int name_id,
                                            const OSSL_ALGORITHM *algodef,
                                            OSSL_PROVIDER *prov),
                        int (*up_ref_method)(void *),
                        void (*free_method)(void *));

/* Internal fetchers for method types that are to be combined with others */
EVP_KEYMGMT *evp_keymgmt_fetch_by_number(OSSL_LIB_CTX *ctx, int name_id,
                                         const char *properties);
EVP_SIGNATURE *evp_signature_fetch_from_prov(OSSL_PROVIDER *prov,
                                             const char *name,
                                             const char *properties);
EVP_ASYM_CIPHER *evp_asym_cipher_fetch_from_prov(OSSL_PROVIDER *prov,
                                                 const char *name,
                                                 const char *properties);
EVP_KEYEXCH *evp_keyexch_fetch_from_prov(OSSL_PROVIDER *prov,
                                         const char *name,
                                         const char *properties);
EVP_KEM *evp_kem_fetch_from_prov(OSSL_PROVIDER *prov,
                                 const char *name,
                                 const char *properties);

/* Internal structure constructors for fetched methods */
EVP_MD *evp_md_new(void);
EVP_CIPHER *evp_cipher_new(void);

int evp_cipher_get_asn1_aead_params(EVP_CIPHER_CTX *c, ASN1_TYPE *type,
                                    evp_cipher_aead_asn1_params *asn1_params);
int evp_cipher_set_asn1_aead_params(EVP_CIPHER_CTX *c, ASN1_TYPE *type,
                                    evp_cipher_aead_asn1_params *asn1_params);

/* Helper functions to avoid duplicating code */

/*
 * These methods implement different ways to pass a params array to the
 * provider.  They will return one of these values:
 *
 * -2 if the method doesn't come from a provider
 *    (evp_do_param will return this to the called)
 * -1 if the provider doesn't offer the desired function
 *    (evp_do_param will raise an error and return 0)
 * or the return value from the desired function
 *    (evp_do_param will return it to the caller)
 */
int evp_do_ciph_getparams(const EVP_CIPHER *ciph, OSSL_PARAM params[]);
int evp_do_ciph_ctx_getparams(const EVP_CIPHER *ciph, void *provctx,
                              OSSL_PARAM params[]);
int evp_do_ciph_ctx_setparams(const EVP_CIPHER *ciph, void *provctx,
                              OSSL_PARAM params[]);
int evp_do_md_getparams(const EVP_MD *md, OSSL_PARAM params[]);
int evp_do_md_ctx_getparams(const EVP_MD *md, void *provctx,
                            OSSL_PARAM params[]);
int evp_do_md_ctx_setparams(const EVP_MD *md, void *provctx,
                            OSSL_PARAM params[]);

OSSL_PARAM *evp_pkey_to_param(EVP_PKEY *pkey, size_t *sz);

#define M_check_autoarg(ctx, arg, arglen, err) \
    if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) {           \
        size_t pksize = (size_t)EVP_PKEY_get_size(ctx->pkey);         \
                                                                  \
        if (pksize == 0) {                                        \
            ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); /*ckerr_ignore*/ \
            return 0;                                             \
        }                                                         \
        if (arg == NULL) {                                        \
            *arglen = pksize;                                     \
            return 1;                                             \
        }                                                         \
        if (*arglen < pksize) {                                   \
            ERR_raise(ERR_LIB_EVP, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/ \
            return 0;                                             \
        }                                                         \
    }

void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx);
void evp_cipher_free_int(EVP_CIPHER *md);
void evp_md_free_int(EVP_MD *md);

/* OSSL_PROVIDER * is only used to get the library context */
int evp_is_a(OSSL_PROVIDER *prov, int number,
             const char *legacy_name, const char *name);
int evp_names_do_all(OSSL_PROVIDER *prov, int number,
                     void (*fn)(const char *name, void *data),
                     void *data);
int evp_cipher_cache_constants(EVP_CIPHER *cipher);
Commit	Line	Data
0f113f3e	1	/*
da1c088f	2	* Copyright 2000-2023 The OpenSSL Project Authors. All Rights Reserved.
5da2f69f	3	*
4a8b0c55	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
aa6bb135 RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
5da2f69f DSH	8	*/
5da2f69f DSH	9
23c48d94	10	#include <openssl/core_dispatch.h>
15dfa092	11	#include "internal/refcount.h"
ff64702b	12
e870791a SL	13	#define EVP_CTRL_RET_UNSUPPORTED -1
	14
	15
7638370c	16	struct evp_md_ctx_st {
b7c913c8	17	const EVP_MD reqdigest; / The original requested digest */
7638370c RL	18	const EVP_MD *digest;
	19	ENGINE engine; / functional reference if 'digest' is
	20	* ENGINE-provided */
	21	unsigned long flags;
	22	void *md_data;
	23	/* Public key context for sign/verify */
	24	EVP_PKEY_CTX *pctx;
	25	/* Update function: usually copied from EVP_MD */
	26	int (update) (EVP_MD_CTX ctx, const void *data, size_t count);
8c8cf0d9	27
7c14d0c1 SL	28	/*
	29	* Opaque ctx returned from a providers digest algorithm implementation
	30	* OSSL_FUNC_digest_newctx()
	31	*/
	32	void *algctx;
8c8cf0d9	33	EVP_MD *fetched_digest;
7638370c RL	34	} /* EVP_MD_CTX */ ;
7638370c RL	35
8baf9968 RL	36	struct evp_cipher_ctx_st {
	37	const EVP_CIPHER *cipher;
	38	ENGINE engine; / functional reference if 'cipher' is
	39	* ENGINE-provided */
	40	int encrypt; /* encrypt or decrypt */
	41	int buf_len; /* number we have left */
	42	unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
	43	unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
	44	unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
	45	int num; /* used by cfb/ofb/ctr mode */
	46	/* FIXME: Should this even exist? It appears unused */
	47	void app_data; / application stuff */
	48	int key_len; /* May change for variable length cipher */
b30b45b7	49	int iv_len; /* IV length */
8baf9968 RL	50	unsigned long flags; /* Various flags */
	51	void cipher_data; / per EVP data */
	52	int final_used;
	53	int block_mask;
	54	unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
df05f2ce	55
7c14d0c1 SL	56	/*
	57	* Opaque ctx returned from a providers cipher algorithm implementation
	58	* OSSL_FUNC_cipher_newctx()
	59	*/
	60	void *algctx;
df05f2ce	61	EVP_CIPHER *fetched_cipher;
8baf9968 RL	62	} /* EVP_CIPHER_CTX */ ;
8baf9968 RL	63
567db2c1	64	struct evp_mac_ctx_st {
e74bd290	65	EVP_MAC meth; / Method structure */
7c14d0c1 SL	66	/*
	67	* Opaque ctx returned from a providers MAC algorithm implementation
	68	* OSSL_FUNC_mac_newctx()
	69	*/
	70	void *algctx;
567db2c1 RL	71	} /* EVP_MAC_CTX */;
567db2c1 RL	72
5a285add	73	struct evp_kdf_ctx_st {
fb9e6dd6	74	EVP_KDF meth; / Method structure */
7c14d0c1 SL	75	/*
	76	* Opaque ctx returned from a providers KDF algorithm implementation
	77	* OSSL_FUNC_kdf_newctx()
	78	*/
	79	void *algctx;
5a285add DM	80	} /* EVP_KDF_CTX */ ;
5a285add DM	81
15dfa092 P	82	struct evp_rand_ctx_st {
15dfa092 P	83	EVP_RAND meth; / Method structure */
7c14d0c1 SL	84	/*
	85	* Opaque ctx returned from a providers rand algorithm implementation
	86	* OSSL_FUNC_rand_newctx()
	87	*/
	88	void *algctx;
4640cd00 P	89	EVP_RAND_CTX parent; / Parent EVP_RAND or NULL if none */
	90	CRYPTO_REF_COUNT refcnt; /* Context reference count */
	91	CRYPTO_RWLOCK *refcnt_lock;
15dfa092 P	92	} /* EVP_RAND_CTX */ ;
15dfa092 P	93
a94a3e0d RL	94	struct evp_keymgmt_st {
	95	int id; /* libcrypto internal */
	96
f7c16d48	97	int name_id;
8aa3781b MC	98	/* NID for the legacy alg if there is one */
8aa3781b MC	99	int legacy_alg;
6c9bc258	100	char *type_name;
309a78aa	101	const char *description;
a94a3e0d RL	102	OSSL_PROVIDER *prov;
a94a3e0d RL	103	CRYPTO_REF_COUNT refcnt;
a94a3e0d	104
b305452f	105	/* Constructor(s), destructor, information */
363b1e5d DMSP	106	OSSL_FUNC_keymgmt_new_fn *new;
	107	OSSL_FUNC_keymgmt_free_fn *free;
	108	OSSL_FUNC_keymgmt_get_params_fn *get_params;
	109	OSSL_FUNC_keymgmt_gettable_params_fn *gettable_params;
	110	OSSL_FUNC_keymgmt_set_params_fn *set_params;
	111	OSSL_FUNC_keymgmt_settable_params_fn *settable_params;
6508e858	112
1a5632e0	113	/* Generation, a complex constructor */
363b1e5d DMSP	114	OSSL_FUNC_keymgmt_gen_init_fn *gen_init;
	115	OSSL_FUNC_keymgmt_gen_set_template_fn *gen_set_template;
	116	OSSL_FUNC_keymgmt_gen_set_params_fn *gen_set_params;
	117	OSSL_FUNC_keymgmt_gen_settable_params_fn *gen_settable_params;
	118	OSSL_FUNC_keymgmt_gen_fn *gen;
	119	OSSL_FUNC_keymgmt_gen_cleanup_fn *gen_cleanup;
1a5632e0	120
5dacb38c RL	121	OSSL_FUNC_keymgmt_load_fn *load;
5dacb38c RL	122
b305452f	123	/* Key object checking */
363b1e5d DMSP	124	OSSL_FUNC_keymgmt_query_operation_name_fn *query_operation_name;
	125	OSSL_FUNC_keymgmt_has_fn *has;
	126	OSSL_FUNC_keymgmt_validate_fn *validate;
	127	OSSL_FUNC_keymgmt_match_fn *match;
b305452f RL	128
b305452f RL	129	/* Import and export routines */
363b1e5d DMSP	130	OSSL_FUNC_keymgmt_import_fn *import;
363b1e5d DMSP	131	OSSL_FUNC_keymgmt_import_types_fn *import_types;
5e3b8450	132	OSSL_FUNC_keymgmt_import_types_ex_fn *import_types_ex;
363b1e5d DMSP	133	OSSL_FUNC_keymgmt_export_fn *export;
363b1e5d DMSP	134	OSSL_FUNC_keymgmt_export_types_fn *export_types;
5e3b8450	135	OSSL_FUNC_keymgmt_export_types_ex_fn *export_types_ex;
4a9fe33c	136	OSSL_FUNC_keymgmt_dup_fn *dup;
a94a3e0d RL	137	} /* EVP_KEYMGMT */ ;
a94a3e0d RL	138
ff64702b	139	struct evp_keyexch_st {
f7c16d48	140	int name_id;
6c9bc258	141	char *type_name;
309a78aa	142	const char *description;
ff64702b MC	143	OSSL_PROVIDER *prov;
ff64702b MC	144	CRYPTO_REF_COUNT refcnt;
ff64702b	145
363b1e5d DMSP	146	OSSL_FUNC_keyexch_newctx_fn *newctx;
	147	OSSL_FUNC_keyexch_init_fn *init;
	148	OSSL_FUNC_keyexch_set_peer_fn *set_peer;
	149	OSSL_FUNC_keyexch_derive_fn *derive;
	150	OSSL_FUNC_keyexch_freectx_fn *freectx;
	151	OSSL_FUNC_keyexch_dupctx_fn *dupctx;
	152	OSSL_FUNC_keyexch_set_ctx_params_fn *set_ctx_params;
	153	OSSL_FUNC_keyexch_settable_ctx_params_fn *settable_ctx_params;
	154	OSSL_FUNC_keyexch_get_ctx_params_fn *get_ctx_params;
	155	OSSL_FUNC_keyexch_gettable_ctx_params_fn *gettable_ctx_params;
ff64702b MC	156	} /* EVP_KEYEXCH */;
ff64702b MC	157
dfcb5d29	158	struct evp_signature_st {
f7c16d48	159	int name_id;
6c9bc258	160	char *type_name;
309a78aa	161	const char *description;
dfcb5d29 MC	162	OSSL_PROVIDER *prov;
dfcb5d29 MC	163	CRYPTO_REF_COUNT refcnt;
dfcb5d29	164
363b1e5d DMSP	165	OSSL_FUNC_signature_newctx_fn *newctx;
	166	OSSL_FUNC_signature_sign_init_fn *sign_init;
	167	OSSL_FUNC_signature_sign_fn *sign;
	168	OSSL_FUNC_signature_verify_init_fn *verify_init;
	169	OSSL_FUNC_signature_verify_fn *verify;
	170	OSSL_FUNC_signature_verify_recover_init_fn *verify_recover_init;
	171	OSSL_FUNC_signature_verify_recover_fn *verify_recover;
	172	OSSL_FUNC_signature_digest_sign_init_fn *digest_sign_init;
	173	OSSL_FUNC_signature_digest_sign_update_fn *digest_sign_update;
	174	OSSL_FUNC_signature_digest_sign_final_fn *digest_sign_final;
	175	OSSL_FUNC_signature_digest_sign_fn *digest_sign;
	176	OSSL_FUNC_signature_digest_verify_init_fn *digest_verify_init;
	177	OSSL_FUNC_signature_digest_verify_update_fn *digest_verify_update;
	178	OSSL_FUNC_signature_digest_verify_final_fn *digest_verify_final;
	179	OSSL_FUNC_signature_digest_verify_fn *digest_verify;
	180	OSSL_FUNC_signature_freectx_fn *freectx;
	181	OSSL_FUNC_signature_dupctx_fn *dupctx;
	182	OSSL_FUNC_signature_get_ctx_params_fn *get_ctx_params;
	183	OSSL_FUNC_signature_gettable_ctx_params_fn *gettable_ctx_params;
	184	OSSL_FUNC_signature_set_ctx_params_fn *set_ctx_params;
	185	OSSL_FUNC_signature_settable_ctx_params_fn *settable_ctx_params;
	186	OSSL_FUNC_signature_get_ctx_md_params_fn *get_ctx_md_params;
	187	OSSL_FUNC_signature_gettable_ctx_md_params_fn *gettable_ctx_md_params;
	188	OSSL_FUNC_signature_set_ctx_md_params_fn *set_ctx_md_params;
	189	OSSL_FUNC_signature_settable_ctx_md_params_fn *settable_ctx_md_params;
dfcb5d29 MC	190	} /* EVP_SIGNATURE */;
dfcb5d29 MC	191
2c938e2e MC	192	struct evp_asym_cipher_st {
2c938e2e MC	193	int name_id;
6c9bc258	194	char *type_name;
309a78aa	195	const char *description;
2c938e2e MC	196	OSSL_PROVIDER *prov;
2c938e2e MC	197	CRYPTO_REF_COUNT refcnt;
2c938e2e	198
363b1e5d DMSP	199	OSSL_FUNC_asym_cipher_newctx_fn *newctx;
	200	OSSL_FUNC_asym_cipher_encrypt_init_fn *encrypt_init;
	201	OSSL_FUNC_asym_cipher_encrypt_fn *encrypt;
	202	OSSL_FUNC_asym_cipher_decrypt_init_fn *decrypt_init;
	203	OSSL_FUNC_asym_cipher_decrypt_fn *decrypt;
	204	OSSL_FUNC_asym_cipher_freectx_fn *freectx;
	205	OSSL_FUNC_asym_cipher_dupctx_fn *dupctx;
	206	OSSL_FUNC_asym_cipher_get_ctx_params_fn *get_ctx_params;
	207	OSSL_FUNC_asym_cipher_gettable_ctx_params_fn *gettable_ctx_params;
	208	OSSL_FUNC_asym_cipher_set_ctx_params_fn *set_ctx_params;
	209	OSSL_FUNC_asym_cipher_settable_ctx_params_fn *settable_ctx_params;
2c938e2e MC	210	} /* EVP_ASYM_CIPHER */;
2c938e2e MC	211
80f4fd18 SL	212	struct evp_kem_st {
80f4fd18 SL	213	int name_id;
6c9bc258	214	char *type_name;
309a78aa	215	const char *description;
80f4fd18 SL	216	OSSL_PROVIDER *prov;
80f4fd18 SL	217	CRYPTO_REF_COUNT refcnt;
80f4fd18 SL	218
	219	OSSL_FUNC_kem_newctx_fn *newctx;
	220	OSSL_FUNC_kem_encapsulate_init_fn *encapsulate_init;
	221	OSSL_FUNC_kem_encapsulate_fn *encapsulate;
	222	OSSL_FUNC_kem_decapsulate_init_fn *decapsulate_init;
	223	OSSL_FUNC_kem_decapsulate_fn *decapsulate;
	224	OSSL_FUNC_kem_freectx_fn *freectx;
	225	OSSL_FUNC_kem_dupctx_fn *dupctx;
	226	OSSL_FUNC_kem_get_ctx_params_fn *get_ctx_params;
	227	OSSL_FUNC_kem_gettable_ctx_params_fn *gettable_ctx_params;
	228	OSSL_FUNC_kem_set_ctx_params_fn *set_ctx_params;
	229	OSSL_FUNC_kem_settable_ctx_params_fn *settable_ctx_params;
78c44b05	230	OSSL_FUNC_kem_auth_encapsulate_init_fn *auth_encapsulate_init;
78c44b05	231	OSSL_FUNC_kem_auth_decapsulate_init_fn *auth_decapsulate_init;
80f4fd18 SL	232	} /* EVP_KEM */;
80f4fd18 SL	233
0f113f3e MC	234	int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX ctx, const char pass,
	235	int passlen, ASN1_TYPE *param,
	236	const EVP_CIPHER c, const EVP_MD md,
	237	int en_de);
b536880c JS	238	int PKCS5_v2_PBKDF2_keyivgen_ex(EVP_CIPHER_CTX ctx, const char pass,
	239	int passlen, ASN1_TYPE *param,
	240	const EVP_CIPHER c, const EVP_MD md,
	241	int en_de, OSSL_LIB_CTX libctx, const char propq);
a0be4fd1 RL	242
	243	struct evp_Encode_Ctx_st {
	244	/* number saved in a partial encode/decode */
	245	int num;
	246	/*
	247	* The length is either the output line length (in input bytes) or the
	248	* shortest input line length that is ok. Once decoding begins, the
	249	* length is adjusted up each time a longer line is decoded
	250	*/
	251	int length;
	252	/* data to encode */
	253	unsigned char enc_data[80];
	254	/* number read on current line */
	255	int line_num;
c0804614	256	unsigned int flags;
a0be4fd1	257	};
4a1f3f27 DSH	258
	259	typedef struct evp_pbe_st EVP_PBE_CTL;
	260	DEFINE_STACK_OF(EVP_PBE_CTL)
7141ba31	261
6d777689	262	int ossl_is_partially_overlapping(const void ptr1, const void ptr2, int len);
c13d2ab4	263
50cd4768	264	#include <openssl/types.h>
c13d2ab4 RL	265	#include <openssl/core.h>
c13d2ab4 RL	266
b4250010	267	void evp_generic_fetch(OSSL_LIB_CTX ctx, int operation_id,
f7c16d48 RL	268	const char name, const char properties,
f7c16d48 RL	269	void (new_method)(int name_id,
309a78aa	270	const OSSL_ALGORITHM *algodef,
0ddf74bf	271	OSSL_PROVIDER *prov),
7c95390e	272	int (up_ref_method)(void ),
0211740f	273	void (free_method)(void ));
2fd3392c RL	274	void evp_generic_fetch_from_prov(OSSL_PROVIDER prov, int operation_id,
	275	const char name, const char properties,
	276	void (new_method)(int name_id,
	277	const OSSL_ALGORITHM *algodef,
	278	OSSL_PROVIDER *prov),
	279	int (up_ref_method)(void ),
	280	void (free_method)(void ));
793b0586 RL	281	void evp_generic_do_all_prefetched(OSSL_LIB_CTX *libctx, int operation_id,
	282	void (user_fn)(void method, void *arg),
	283	void *user_arg);
b4250010	284	void evp_generic_do_all(OSSL_LIB_CTX *libctx, int operation_id,
3d96a51c RL	285	void (user_fn)(void method, void *arg),
3d96a51c RL	286	void *user_arg,
f7c16d48	287	void (new_method)(int name_id,
309a78aa	288	const OSSL_ALGORITHM *algodef,
0ddf74bf	289	OSSL_PROVIDER *prov),
793b0586	290	int (up_ref_method)(void ),
3d96a51c	291	void (free_method)(void ));
13273237	292
f7c16d48	293	/* Internal fetchers for method types that are to be combined with others */
b4250010	294	EVP_KEYMGMT evp_keymgmt_fetch_by_number(OSSL_LIB_CTX ctx, int name_id,
f7c16d48	295	const char *properties);
ff778146 RL	296	EVP_SIGNATURE evp_signature_fetch_from_prov(OSSL_PROVIDER prov,
	297	const char *name,
	298	const char *properties);
	299	EVP_ASYM_CIPHER evp_asym_cipher_fetch_from_prov(OSSL_PROVIDER prov,
	300	const char *name,
	301	const char *properties);
	302	EVP_KEYEXCH evp_keyexch_fetch_from_prov(OSSL_PROVIDER prov,
	303	const char *name,
	304	const char *properties);
	305	EVP_KEM evp_kem_fetch_from_prov(OSSL_PROVIDER prov,
	306	const char *name,
	307	const char *properties);
f7c16d48	308
3fd70262 RL	309	/* Internal structure constructors for fetched methods */
3fd70262 RL	310	EVP_MD *evp_md_new(void);
550f974a	311	EVP_CIPHER *evp_cipher_new(void);
3fd70262	312
924663c3 JZ	313	int evp_cipher_get_asn1_aead_params(EVP_CIPHER_CTX c, ASN1_TYPE type,
	314	evp_cipher_aead_asn1_params *asn1_params);
	315	int evp_cipher_set_asn1_aead_params(EVP_CIPHER_CTX c, ASN1_TYPE type,
	316	evp_cipher_aead_asn1_params *asn1_params);
	317
13273237 RL	318	/* Helper functions to avoid duplicating code */
	319
	320	/*
459b15d4	321	* These methods implement different ways to pass a params array to the
13273237 RL	322	* provider. They will return one of these values:
	323	*
	324	* -2 if the method doesn't come from a provider
	325	* (evp_do_param will return this to the called)
	326	* -1 if the provider doesn't offer the desired function
	327	* (evp_do_param will raise an error and return 0)
	328	* or the return value from the desired function
	329	* (evp_do_param will return it to the caller)
	330	*/
459b15d4 SL	331	int evp_do_ciph_getparams(const EVP_CIPHER *ciph, OSSL_PARAM params[]);
459b15d4 SL	332	int evp_do_ciph_ctx_getparams(const EVP_CIPHER ciph, void provctx,
13273237	333	OSSL_PARAM params[]);
459b15d4	334	int evp_do_ciph_ctx_setparams(const EVP_CIPHER ciph, void provctx,
13273237	335	OSSL_PARAM params[]);
6a3b7c68 RL	336	int evp_do_md_getparams(const EVP_MD *md, OSSL_PARAM params[]);
	337	int evp_do_md_ctx_getparams(const EVP_MD md, void provctx,
	338	OSSL_PARAM params[]);
	339	int evp_do_md_ctx_setparams(const EVP_MD md, void provctx,
	340	OSSL_PARAM params[]);
ff64702b MC	341
	342	OSSL_PARAM evp_pkey_to_param(EVP_PKEY pkey, size_t *sz);
	343
	344	#define M_check_autoarg(ctx, arg, arglen, err) \
	345	if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) { \
ed576acd	346	size_t pksize = (size_t)EVP_PKEY_get_size(ctx->pkey); \
ff64702b MC	347	\
ff64702b MC	348	if (pksize == 0) { \
51ba9ebd	349	ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); /ckerr_ignore/ \
ff64702b MC	350	return 0; \
	351	} \
	352	if (arg == NULL) { \
	353	*arglen = pksize; \
	354	return 1; \
	355	} \
	356	if (*arglen < pksize) { \
51ba9ebd	357	ERR_raise(ERR_LIB_EVP, EVP_R_BUFFER_TOO_SMALL); /ckerr_ignore/ \
ff64702b MC	358	return 0; \
	359	} \
	360	}
864b89ce MC	361
864b89ce MC	362	void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx);
f6c95e46 RS	363	void evp_cipher_free_int(EVP_CIPHER *md);
f6c95e46 RS	364	void evp_md_free_int(EVP_MD *md);
f7c16d48 RL	365
f7c16d48 RL	366	/* OSSL_PROVIDER * is only used to get the library context */
e4a1d023 RL	367	int evp_is_a(OSSL_PROVIDER *prov, int number,
e4a1d023 RL	368	const char legacy_name, const char name);
d84f5515 MC	369	int evp_names_do_all(OSSL_PROVIDER *prov, int number,
	370	void (fn)(const char name, void *data),
	371	void *data);
3c957bcd	372	int evp_cipher_cache_constants(EVP_CIPHER *cipher);