diff options
Diffstat (limited to 'include/crypto/evp.h')
| -rw-r--r-- | include/crypto/evp.h | 944 |
1 files changed, 0 insertions, 944 deletions
diff --git a/include/crypto/evp.h b/include/crypto/evp.h deleted file mode 100644 index c5d3a930..00000000 --- a/include/crypto/evp.h +++ /dev/null @@ -1,944 +0,0 @@ -/* - * Copyright 2015-2021 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 - */ - -#ifndef OSSL_CRYPTO_EVP_H -# define OSSL_CRYPTO_EVP_H -# pragma once - -# include <openssl/evp.h> -# include <openssl/core_dispatch.h> -# include "internal/refcount.h" -# include "crypto/ecx.h" - -/* - * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag - * values in evp.h - */ -#define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 - -#define evp_pkey_ctx_is_legacy(ctx) \ - ((ctx)->keymgmt == NULL) -#define evp_pkey_ctx_is_provided(ctx) \ - (!evp_pkey_ctx_is_legacy(ctx)) - -struct evp_pkey_ctx_st { - /* Actual operation */ - int operation; - - /* - * Library context, property query, keytype and keymgmt associated with - * this context - */ - OSSL_LIB_CTX *libctx; - char *propquery; - const char *keytype; - /* If |pkey| below is set, this field is always a reference to its keymgmt */ - EVP_KEYMGMT *keymgmt; - - union { - struct { - void *genctx; - } keymgmt; - - struct { - EVP_KEYEXCH *exchange; - /* - * Opaque ctx returned from a providers exchange algorithm - * implementation OSSL_FUNC_keyexch_newctx() - */ - void *algctx; - } kex; - - struct { - EVP_SIGNATURE *signature; - /* - * Opaque ctx returned from a providers signature algorithm - * implementation OSSL_FUNC_signature_newctx() - */ - void *algctx; - } sig; - - struct { - EVP_ASYM_CIPHER *cipher; - /* - * Opaque ctx returned from a providers asymmetric cipher algorithm - * implementation OSSL_FUNC_asym_cipher_newctx() - */ - void *algctx; - } ciph; - struct { - EVP_KEM *kem; - /* - * Opaque ctx returned from a providers KEM algorithm - * implementation OSSL_FUNC_kem_newctx() - */ - void *algctx; - } encap; - } op; - - /* - * Cached parameters. Inits of operations that depend on these should - * call evp_pkey_ctx_use_delayed_data() when the operation has been set - * up properly. - */ - struct { - /* Distinguishing Identifier, ISO/IEC 15946-3, FIPS 196 */ - char *dist_id_name; /* The name used with EVP_PKEY_CTX_ctrl_str() */ - void *dist_id; /* The distinguishing ID itself */ - size_t dist_id_len; /* The length of the distinguishing ID */ - - /* Indicators of what has been set. Keep them together! */ - unsigned int dist_id_set : 1; - } cached_parameters; - - /* Application specific data, usually used by the callback */ - void *app_data; - /* Keygen callback */ - EVP_PKEY_gen_cb *pkey_gencb; - /* implementation specific keygen data */ - int *keygen_info; - int keygen_info_count; - - /* Legacy fields below */ - - /* EVP_PKEY identity */ - int legacy_keytype; - /* 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; - /* Algorithm specific data */ - void *data; - /* Indicator if digest_custom needs to be called */ - unsigned int flag_call_digest_custom:1; - /* - * Used to support taking custody of memory in the case of a provider being - * used with the deprecated EVP_PKEY_CTX_set_rsa_keygen_pubexp() API. This - * member should NOT be used for any other purpose and should be removed - * when said deprecated API is excised completely. - */ - BIGNUM *rsa_pubexp; -} /* EVP_PKEY_CTX */ ; - -#define EVP_PKEY_FLAG_DYNAMIC 1 - -struct evp_pkey_method_st { - int pkey_id; - int flags; - int (*init) (EVP_PKEY_CTX *ctx); - int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); - void (*cleanup) (EVP_PKEY_CTX *ctx); - int (*paramgen_init) (EVP_PKEY_CTX *ctx); - int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); - int (*keygen_init) (EVP_PKEY_CTX *ctx); - int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); - int (*sign_init) (EVP_PKEY_CTX *ctx); - int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - const unsigned char *tbs, size_t tbslen); - int (*verify_init) (EVP_PKEY_CTX *ctx); - int (*verify) (EVP_PKEY_CTX *ctx, - const unsigned char *sig, size_t siglen, - const unsigned char *tbs, size_t tbslen); - int (*verify_recover_init) (EVP_PKEY_CTX *ctx); - int (*verify_recover) (EVP_PKEY_CTX *ctx, - unsigned char *rout, size_t *routlen, - const unsigned char *sig, size_t siglen); - int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); - int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx); - int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); - int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, - EVP_MD_CTX *mctx); - int (*encrypt_init) (EVP_PKEY_CTX *ctx); - int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, - const unsigned char *in, size_t inlen); - int (*decrypt_init) (EVP_PKEY_CTX *ctx); - int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, - const unsigned char *in, size_t inlen); - int (*derive_init) (EVP_PKEY_CTX *ctx); - int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); - int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); - int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); - int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, - const unsigned char *tbs, size_t tbslen); - int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, - size_t siglen, const unsigned char *tbs, - size_t tbslen); - int (*check) (EVP_PKEY *pkey); - int (*public_check) (EVP_PKEY *pkey); - int (*param_check) (EVP_PKEY *pkey); - - int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); -} /* EVP_PKEY_METHOD */ ; - -DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) - -void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); - -const EVP_PKEY_METHOD *ossl_dh_pkey_method(void); -const EVP_PKEY_METHOD *ossl_dhx_pkey_method(void); -const EVP_PKEY_METHOD *ossl_dsa_pkey_method(void); -const EVP_PKEY_METHOD *ossl_ec_pkey_method(void); -const EVP_PKEY_METHOD *ossl_ecx25519_pkey_method(void); -const EVP_PKEY_METHOD *ossl_ecx448_pkey_method(void); -const EVP_PKEY_METHOD *ossl_ed25519_pkey_method(void); -const EVP_PKEY_METHOD *ossl_ed448_pkey_method(void); -const EVP_PKEY_METHOD *ossl_rsa_pkey_method(void); -const EVP_PKEY_METHOD *ossl_rsa_pss_pkey_method(void); - -struct evp_mac_st { - OSSL_PROVIDER *prov; - int name_id; - char *type_name; - const char *description; - - CRYPTO_REF_COUNT refcnt; - CRYPTO_RWLOCK *lock; - - OSSL_FUNC_mac_newctx_fn *newctx; - OSSL_FUNC_mac_dupctx_fn *dupctx; - OSSL_FUNC_mac_freectx_fn *freectx; - OSSL_FUNC_mac_init_fn *init; - OSSL_FUNC_mac_update_fn *update; - OSSL_FUNC_mac_final_fn *final; - OSSL_FUNC_mac_gettable_params_fn *gettable_params; - OSSL_FUNC_mac_gettable_ctx_params_fn *gettable_ctx_params; - OSSL_FUNC_mac_settable_ctx_params_fn *settable_ctx_params; - OSSL_FUNC_mac_get_params_fn *get_params; - OSSL_FUNC_mac_get_ctx_params_fn *get_ctx_params; - OSSL_FUNC_mac_set_ctx_params_fn *set_ctx_params; -}; - -struct evp_kdf_st { - OSSL_PROVIDER *prov; - int name_id; - char *type_name; - const char *description; - CRYPTO_REF_COUNT refcnt; - CRYPTO_RWLOCK *lock; - - OSSL_FUNC_kdf_newctx_fn *newctx; - OSSL_FUNC_kdf_dupctx_fn *dupctx; - OSSL_FUNC_kdf_freectx_fn *freectx; - OSSL_FUNC_kdf_reset_fn *reset; - OSSL_FUNC_kdf_derive_fn *derive; - OSSL_FUNC_kdf_gettable_params_fn *gettable_params; - OSSL_FUNC_kdf_gettable_ctx_params_fn *gettable_ctx_params; - OSSL_FUNC_kdf_settable_ctx_params_fn *settable_ctx_params; - OSSL_FUNC_kdf_get_params_fn *get_params; - OSSL_FUNC_kdf_get_ctx_params_fn *get_ctx_params; - OSSL_FUNC_kdf_set_ctx_params_fn *set_ctx_params; -}; - -#define EVP_ORIG_DYNAMIC 0 -#define EVP_ORIG_GLOBAL 1 -#define EVP_ORIG_METH 2 - -struct evp_md_st { - /* nid */ - int type; - - /* Legacy structure members */ - int pkey_type; - int md_size; - unsigned long flags; - int origin; - int (*init) (EVP_MD_CTX *ctx); - int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); - int (*final) (EVP_MD_CTX *ctx, unsigned char *md); - int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); - int (*cleanup) (EVP_MD_CTX *ctx); - int block_size; - int ctx_size; /* how big does the ctx->md_data need to be */ - /* control function */ - int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); - - /* New structure members */ - /* Above comment to be removed when legacy has gone */ - int name_id; - char *type_name; - const char *description; - OSSL_PROVIDER *prov; - CRYPTO_REF_COUNT refcnt; - CRYPTO_RWLOCK *lock; - OSSL_FUNC_digest_newctx_fn *newctx; - OSSL_FUNC_digest_init_fn *dinit; - OSSL_FUNC_digest_update_fn *dupdate; - OSSL_FUNC_digest_final_fn *dfinal; - OSSL_FUNC_digest_digest_fn *digest; - OSSL_FUNC_digest_freectx_fn *freectx; - OSSL_FUNC_digest_dupctx_fn *dupctx; - OSSL_FUNC_digest_get_params_fn *get_params; - OSSL_FUNC_digest_set_ctx_params_fn *set_ctx_params; - OSSL_FUNC_digest_get_ctx_params_fn *get_ctx_params; - OSSL_FUNC_digest_gettable_params_fn *gettable_params; - OSSL_FUNC_digest_settable_ctx_params_fn *settable_ctx_params; - OSSL_FUNC_digest_gettable_ctx_params_fn *gettable_ctx_params; - -} /* EVP_MD */ ; - -struct evp_cipher_st { - int nid; - - int block_size; - /* Default value for variable length ciphers */ - int key_len; - int iv_len; - - /* Legacy structure members */ - /* Various flags */ - unsigned long flags; - /* How the EVP_CIPHER was created. */ - int origin; - /* init key */ - int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); - /* encrypt/decrypt data */ - int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); - /* cleanup ctx */ - int (*cleanup) (EVP_CIPHER_CTX *); - /* how big ctx->cipher_data needs to be */ - int ctx_size; - /* Populate a ASN1_TYPE with parameters */ - int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); - /* Get parameters from a ASN1_TYPE */ - int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); - /* Miscellaneous operations */ - int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); - /* Application data */ - void *app_data; - - /* New structure members */ - /* Above comment to be removed when legacy has gone */ - int name_id; - char *type_name; - const char *description; - OSSL_PROVIDER *prov; - CRYPTO_REF_COUNT refcnt; - CRYPTO_RWLOCK *lock; - OSSL_FUNC_cipher_newctx_fn *newctx; - OSSL_FUNC_cipher_encrypt_init_fn *einit; - OSSL_FUNC_cipher_decrypt_init_fn *dinit; - OSSL_FUNC_cipher_update_fn *cupdate; - OSSL_FUNC_cipher_final_fn *cfinal; - OSSL_FUNC_cipher_cipher_fn *ccipher; - OSSL_FUNC_cipher_freectx_fn *freectx; - OSSL_FUNC_cipher_dupctx_fn *dupctx; - OSSL_FUNC_cipher_get_params_fn *get_params; - OSSL_FUNC_cipher_get_ctx_params_fn *get_ctx_params; - OSSL_FUNC_cipher_set_ctx_params_fn *set_ctx_params; - OSSL_FUNC_cipher_gettable_params_fn *gettable_params; - OSSL_FUNC_cipher_gettable_ctx_params_fn *gettable_ctx_params; - OSSL_FUNC_cipher_settable_ctx_params_fn *settable_ctx_params; -} /* EVP_CIPHER */ ; - -/* Macros to code block cipher wrappers */ - -/* Wrapper functions for each cipher mode */ - -#define EVP_C_DATA(kstruct, ctx) \ - ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) - -#define BLOCK_CIPHER_ecb_loop() \ - size_t i, bl; \ - bl = EVP_CIPHER_CTX_get0_cipher(ctx)->block_size; \ - if (inl < bl) return 1;\ - inl -= bl; \ - for (i=0; i <= inl; i+=bl) - -#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ -static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - BLOCK_CIPHER_ecb_loop() \ - cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_is_encrypting(ctx)); \ - return 1;\ -} - -#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) - -#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ - static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - while(inl>=EVP_MAXCHUNK) {\ - int num = EVP_CIPHER_CTX_get_num(ctx);\ - cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ - EVP_CIPHER_CTX_set_num(ctx, num);\ - inl-=EVP_MAXCHUNK;\ - in +=EVP_MAXCHUNK;\ - out+=EVP_MAXCHUNK;\ - }\ - if (inl) {\ - int num = EVP_CIPHER_CTX_get_num(ctx);\ - cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, &num); \ - EVP_CIPHER_CTX_set_num(ctx, num);\ - }\ - return 1;\ -} - -#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ -static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - while(inl>=EVP_MAXCHUNK) \ - {\ - cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_is_encrypting(ctx));\ - inl-=EVP_MAXCHUNK;\ - in +=EVP_MAXCHUNK;\ - out+=EVP_MAXCHUNK;\ - }\ - if (inl)\ - cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_is_encrypting(ctx));\ - return 1;\ -} - -#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ -static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - size_t chunk = EVP_MAXCHUNK;\ - if (cbits == 1) chunk >>= 3;\ - if (inl < chunk) chunk = inl;\ - while (inl && inl >= chunk)\ - {\ - int num = EVP_CIPHER_CTX_get_num(ctx);\ - cprefix##_cfb##cbits##_encrypt(in, out, (long) \ - ((cbits == 1) \ - && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ - ? chunk*8 : chunk), \ - &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\ - &num, EVP_CIPHER_CTX_is_encrypting(ctx));\ - EVP_CIPHER_CTX_set_num(ctx, num);\ - inl -= chunk;\ - in += chunk;\ - out += chunk;\ - if (inl < chunk) chunk = inl;\ - }\ - return 1;\ -} - -#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ - BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ - BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) - -#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ - key_len, iv_len, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -static const EVP_CIPHER cname##_##mode = { \ - nid##_##nmode, block_size, key_len, iv_len, \ - flags | EVP_CIPH_##MODE##_MODE, \ - EVP_ORIG_GLOBAL, \ - init_key, \ - cname##_##mode##_cipher, \ - cleanup, \ - sizeof(kstruct), \ - set_asn1, get_asn1,\ - ctrl, \ - NULL \ -}; \ -const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } - -#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ - iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ - iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) - -#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ - iv_len, cbits, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ - key_len, iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ - iv_len, cbits, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ - key_len, iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ - flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ - 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) - -#define BLOCK_CIPHER_defs(cname, kstruct, \ - nid, block_size, key_len, iv_len, cbits, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ - flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ - flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) - -/*- -#define BLOCK_CIPHER_defs(cname, kstruct, \ - nid, block_size, key_len, iv_len, flags,\ - init_key, cleanup, set_asn1, get_asn1, ctrl)\ -static const EVP_CIPHER cname##_cbc = {\ - nid##_cbc, block_size, key_len, iv_len, \ - flags | EVP_CIPH_CBC_MODE,\ - EVP_ORIG_GLOBAL,\ - init_key,\ - cname##_cbc_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl, \ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ -static const EVP_CIPHER cname##_cfb = {\ - nid##_cfb64, 1, key_len, iv_len, \ - flags | EVP_CIPH_CFB_MODE,\ - EVP_ORIG_GLOBAL,\ - init_key,\ - cname##_cfb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ -static const EVP_CIPHER cname##_ofb = {\ - nid##_ofb64, 1, key_len, iv_len, \ - flags | EVP_CIPH_OFB_MODE,\ - EVP_ORIG_GLOBAL,\ - init_key,\ - cname##_ofb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ -static const EVP_CIPHER cname##_ecb = {\ - nid##_ecb, block_size, key_len, iv_len, \ - flags | EVP_CIPH_ECB_MODE,\ - EVP_ORIG_GLOBAL,\ - init_key,\ - cname##_ecb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } -*/ - -#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ - block_size, key_len, iv_len, cbits, \ - flags, init_key, \ - cleanup, set_asn1, get_asn1, ctrl) \ - BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ - cbits, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ - BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ - BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ - NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ - (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ - cipher##_init_key, NULL, NULL, NULL, NULL) - -typedef struct { - unsigned char iv[EVP_MAX_IV_LENGTH]; - unsigned int iv_len; - unsigned int tag_len; -} evp_cipher_aead_asn1_params; - -int evp_cipher_param_to_asn1_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, - evp_cipher_aead_asn1_params *params); - -int evp_cipher_asn1_to_param_ex(EVP_CIPHER_CTX *c, ASN1_TYPE *type, - evp_cipher_aead_asn1_params *params); - -/* - * To support transparent execution of operation in backends other - * than the "origin" key, we support transparent export/import to - * those providers, and maintain a cache of the imported keydata, - * so we don't need to redo the export/import every time we perform - * the same operation in that same provider. - * This requires that the "origin" backend (whether it's a legacy or a - * provider "origin") implements exports, and that the target provider - * has an EVP_KEYMGMT that implements import. - */ -typedef struct { - EVP_KEYMGMT *keymgmt; - void *keydata; -} OP_CACHE_ELEM; - -DEFINE_STACK_OF(OP_CACHE_ELEM) - -/* - * An EVP_PKEY can have the following states: - * - * untyped & empty: - * - * type == EVP_PKEY_NONE && keymgmt == NULL - * - * typed & empty: - * - * (type != EVP_PKEY_NONE && pkey.ptr == NULL) ## legacy (libcrypto only) - * || (keymgmt != NULL && keydata == NULL) ## provider side - * - * fully assigned: - * - * (type != EVP_PKEY_NONE && pkey.ptr != NULL) ## legacy (libcrypto only) - * || (keymgmt != NULL && keydata != NULL) ## provider side - * - * The easiest way to detect a legacy key is: - * - * keymgmt == NULL && type != EVP_PKEY_NONE - * - * The easiest way to detect a provider side key is: - * - * keymgmt != NULL - */ -#define evp_pkey_is_blank(pk) \ - ((pk)->type == EVP_PKEY_NONE && (pk)->keymgmt == NULL) -#define evp_pkey_is_typed(pk) \ - ((pk)->type != EVP_PKEY_NONE || (pk)->keymgmt != NULL) -#ifndef FIPS_MODULE -# define evp_pkey_is_assigned(pk) \ - ((pk)->pkey.ptr != NULL || (pk)->keydata != NULL) -#else -# define evp_pkey_is_assigned(pk) \ - ((pk)->keydata != NULL) -#endif -#define evp_pkey_is_legacy(pk) \ - ((pk)->type != EVP_PKEY_NONE && (pk)->keymgmt == NULL) -#define evp_pkey_is_provided(pk) \ - ((pk)->keymgmt != NULL) - -union legacy_pkey_st { - void *ptr; - struct rsa_st *rsa; /* RSA */ -# ifndef OPENSSL_NO_DSA - struct dsa_st *dsa; /* DSA */ -# endif -# ifndef OPENSSL_NO_DH - struct dh_st *dh; /* DH */ -# endif -# ifndef OPENSSL_NO_EC - struct ec_key_st *ec; /* ECC */ - ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ -# endif -}; - -struct evp_pkey_st { - /* == Legacy attributes == */ - int type; - int save_type; - -# ifndef FIPS_MODULE - /* - * Legacy key "origin" is composed of a pointer to an EVP_PKEY_ASN1_METHOD, - * a pointer to a low level key and possibly a pointer to an engine. - */ - const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *engine; - ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ - - /* Union to store the reference to an origin legacy key */ - union legacy_pkey_st pkey; - - /* Union to store the reference to a non-origin legacy key */ - union legacy_pkey_st legacy_cache_pkey; -# endif - - /* == Common attributes == */ - CRYPTO_REF_COUNT references; - CRYPTO_RWLOCK *lock; -#ifndef FIPS_MODULE - STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ - int save_parameters; - unsigned int foreign:1; /* the low-level key is using an engine or an app-method */ - CRYPTO_EX_DATA ex_data; -#endif - - /* == Provider attributes == */ - - /* - * Provider keydata "origin" is composed of a pointer to an EVP_KEYMGMT - * and a pointer to the provider side key data. This is never used at - * the same time as the legacy key data above. - */ - EVP_KEYMGMT *keymgmt; - void *keydata; - /* - * If any libcrypto code does anything that may modify the keydata - * contents, this dirty counter must be incremented. - */ - size_t dirty_cnt; - - /* - * To support transparent execution of operation in backends other - * than the "origin" key, we support transparent export/import to - * those providers, and maintain a cache of the imported keydata, - * so we don't need to redo the export/import every time we perform - * the same operation in that same provider. - */ - STACK_OF(OP_CACHE_ELEM) *operation_cache; - - /* - * We keep a copy of that "origin"'s dirty count, so we know if the - * operation cache needs flushing. - */ - size_t dirty_cnt_copy; - - /* Cache of key object information */ - struct { - int bits; - int security_bits; - int size; - } cache; -} /* EVP_PKEY */ ; - -#define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_SIGN \ - || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ - || (ctx)->operation == EVP_PKEY_OP_VERIFY \ - || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ - || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) - -#define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_DERIVE) - -#define EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_ENCRYPT \ - || (ctx)->operation == EVP_PKEY_OP_DECRYPT) - -#define EVP_PKEY_CTX_IS_GEN_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_PARAMGEN \ - || (ctx)->operation == EVP_PKEY_OP_KEYGEN) - -#define EVP_PKEY_CTX_IS_FROMDATA_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_FROMDATA) - -#define EVP_PKEY_CTX_IS_KEM_OP(ctx) \ - ((ctx)->operation == EVP_PKEY_OP_ENCAPSULATE \ - || (ctx)->operation == EVP_PKEY_OP_DECAPSULATE) - -void openssl_add_all_ciphers_int(void); -void openssl_add_all_digests_int(void); -void evp_cleanup_int(void); -void evp_app_cleanup_int(void); -void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, - EVP_KEYMGMT **keymgmt, - const char *propquery); -#ifndef FIPS_MODULE -int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src); -void *evp_pkey_get_legacy(EVP_PKEY *pk); -void evp_pkey_free_legacy(EVP_PKEY *x); -EVP_PKEY *evp_pkcs82pkey_legacy(const PKCS8_PRIV_KEY_INFO *p8inf, - OSSL_LIB_CTX *libctx, const char *propq); -#endif - -/* - * KEYMGMT utility functions - */ - -/* - * Key import structure and helper function, to be used as an export callback - */ -struct evp_keymgmt_util_try_import_data_st { - EVP_KEYMGMT *keymgmt; - void *keydata; - - int selection; -}; -int evp_keymgmt_util_try_import(const OSSL_PARAM params[], void *arg); -int evp_keymgmt_util_assign_pkey(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt, - void *keydata); -EVP_PKEY *evp_keymgmt_util_make_pkey(EVP_KEYMGMT *keymgmt, void *keydata); - -int evp_keymgmt_util_export(const EVP_PKEY *pk, int selection, - OSSL_CALLBACK *export_cb, void *export_cbarg); -void *evp_keymgmt_util_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); -OP_CACHE_ELEM *evp_keymgmt_util_find_operation_cache(EVP_PKEY *pk, - EVP_KEYMGMT *keymgmt); -int evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk, int locking); -int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, - EVP_KEYMGMT *keymgmt, void *keydata); -void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk); -void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, - int selection, const OSSL_PARAM params[]); -int evp_keymgmt_util_has(EVP_PKEY *pk, int selection); -int evp_keymgmt_util_match(EVP_PKEY *pk1, EVP_PKEY *pk2, int selection); -int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection); -void *evp_keymgmt_util_gen(EVP_PKEY *target, EVP_KEYMGMT *keymgmt, - void *genctx, OSSL_CALLBACK *cb, void *cbarg); -int evp_keymgmt_util_get_deflt_digest_name(EVP_KEYMGMT *keymgmt, - void *keydata, - char *mdname, size_t mdname_sz); -const char *evp_keymgmt_util_query_operation_name(EVP_KEYMGMT *keymgmt, - int op_id); - -/* - * KEYMGMT provider interface functions - */ -void *evp_keymgmt_newdata(const EVP_KEYMGMT *keymgmt); -void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata); -int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt, - void *keydata, OSSL_PARAM params[]); -int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt, - void *keydata, const OSSL_PARAM params[]); -void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection, - const OSSL_PARAM params[]); -int evp_keymgmt_gen_set_template(const EVP_KEYMGMT *keymgmt, void *genctx, - void *template); -int evp_keymgmt_gen_set_params(const EVP_KEYMGMT *keymgmt, void *genctx, - const OSSL_PARAM params[]); -void *evp_keymgmt_gen(const EVP_KEYMGMT *keymgmt, void *genctx, - OSSL_CALLBACK *cb, void *cbarg); -void evp_keymgmt_gen_cleanup(const EVP_KEYMGMT *keymgmt, void *genctx); - -int evp_keymgmt_has_load(const EVP_KEYMGMT *keymgmt); -void *evp_keymgmt_load(const EVP_KEYMGMT *keymgmt, - const void *objref, size_t objref_sz); - -int evp_keymgmt_has(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection); -int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata, - int selection, int checktype); -int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt, - const void *keydata1, const void *keydata2, - int selection); - -int evp_keymgmt_import(const EVP_KEYMGMT *keymgmt, void *keydata, - int selection, const OSSL_PARAM params[]); -const OSSL_PARAM *evp_keymgmt_import_types(const EVP_KEYMGMT *keymgmt, - int selection); -int evp_keymgmt_export(const EVP_KEYMGMT *keymgmt, void *keydata, - int selection, OSSL_CALLBACK *param_cb, void *cbarg); -const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt, - int selection); -void *evp_keymgmt_dup(const EVP_KEYMGMT *keymgmt, - const void *keydata_from, int selection); - -/* Pulling defines out of C source files */ - -# define EVP_RC4_KEY_SIZE 16 -# ifndef TLS1_1_VERSION -# define TLS1_1_VERSION 0x0302 -# endif - -void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); - -/* EVP_ENCODE_CTX flags */ -/* Don't generate new lines when encoding */ -#define EVP_ENCODE_CTX_NO_NEWLINES 1 -/* Use the SRP base64 alphabet instead of the standard one */ -#define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2 - -const EVP_CIPHER *evp_get_cipherbyname_ex(OSSL_LIB_CTX *libctx, - const char *name); -const EVP_MD *evp_get_digestbyname_ex(OSSL_LIB_CTX *libctx, - const char *name); - -int ossl_pkcs5_pbkdf2_hmac_ex(const char *pass, int passlen, - const unsigned char *salt, int saltlen, int iter, - const EVP_MD *digest, int keylen, - unsigned char *out, - OSSL_LIB_CTX *libctx, const char *propq); - -# ifndef FIPS_MODULE -/* - * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). - * - * Return 1 on success, 0 or negative for errors. - * - * In particular they return -2 if any of the params is not supported. - * - * They are not available in FIPS_MODULE as they depend on - * - EVP_PKEY_CTX_{get,set}_params() - * - EVP_PKEY_CTX_{gettable,settable}_params() - * - */ -int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); -int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); - -EVP_MD_CTX *evp_md_ctx_new_ex(EVP_PKEY *pkey, const ASN1_OCTET_STRING *id, - OSSL_LIB_CTX *libctx, const char *propq); -int evp_pkey_name2type(const char *name); -const char *evp_pkey_type2name(int type); - -int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len); -int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id); -int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len); - -int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); -# endif /* !defined(FIPS_MODULE) */ - -int evp_method_store_flush(OSSL_LIB_CTX *libctx); -int evp_default_properties_enable_fips_int(OSSL_LIB_CTX *libctx, int enable, - int loadconfig); -int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq, - int loadconfig, int mirrored); -char *evp_get_global_properties_str(OSSL_LIB_CTX *libctx, int loadconfig); - -void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); - -/* Three possible states: */ -# define EVP_PKEY_STATE_UNKNOWN 0 -# define EVP_PKEY_STATE_LEGACY 1 -# define EVP_PKEY_STATE_PROVIDER 2 -int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx); - -/* These two must ONLY be called for provider side operations */ -int evp_pkey_ctx_ctrl_to_param(EVP_PKEY_CTX *ctx, - int keytype, int optype, - int cmd, int p1, void *p2); -int evp_pkey_ctx_ctrl_str_to_param(EVP_PKEY_CTX *ctx, - const char *name, const char *value); - -/* These two must ONLY be called for legacy operations */ -int evp_pkey_ctx_set_params_to_ctrl(EVP_PKEY_CTX *ctx, const OSSL_PARAM *params); -int evp_pkey_ctx_get_params_to_ctrl(EVP_PKEY_CTX *ctx, OSSL_PARAM *params); - -/* This must ONLY be called for legacy EVP_PKEYs */ -int evp_pkey_get_params_to_ctrl(const EVP_PKEY *pkey, OSSL_PARAM *params); - -/* Same as the public get0 functions but are not const */ -# ifndef OPENSSL_NO_DEPRECATED_3_0 -DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey); -EC_KEY *evp_pkey_get0_EC_KEY_int(const EVP_PKEY *pkey); -RSA *evp_pkey_get0_RSA_int(const EVP_PKEY *pkey); -# endif - -/* Get internal identification number routines */ -int evp_asym_cipher_get_number(const EVP_ASYM_CIPHER *cipher); -int evp_cipher_get_number(const EVP_CIPHER *cipher); -int evp_kdf_get_number(const EVP_KDF *kdf); -int evp_kem_get_number(const EVP_KEM *wrap); -int evp_keyexch_get_number(const EVP_KEYEXCH *keyexch); -int evp_keymgmt_get_number(const EVP_KEYMGMT *keymgmt); -int evp_mac_get_number(const EVP_MAC *mac); -int evp_md_get_number(const EVP_MD *md); -int evp_rand_get_number(const EVP_RAND *rand); -int evp_signature_get_number(const EVP_SIGNATURE *signature); - -#endif /* OSSL_CRYPTO_EVP_H */ |