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authorBobTheBob9 <for.oliver.kirkham@gmail.com>2023-01-04 18:08:13 +0000
committerBobTheBob9 <for.oliver.kirkham@gmail.com>2023-01-04 18:08:13 +0000
commite9f8a34dc3ca736f307cf195390aee7c8f5cb456 (patch)
treee65d1c2b1888895baf65bbde73e0a1a02cbb091a /include/crypto/evp.h
parent6c45c7e94634c340019d12615b7eae8f3c0f49b3 (diff)
parent4fb1ae07d8f078e7abde99900c6a8286148a380a (diff)
downloadNorthstarLauncher-e9f8a34dc3ca736f307cf195390aee7c8f5cb456.tar.gz
NorthstarLauncher-e9f8a34dc3ca736f307cf195390aee7c8f5cb456.zip
Merge remote-tracking branch 'origin/main' into experimental-bots-pr
Diffstat (limited to 'include/crypto/evp.h')
-rw-r--r--include/crypto/evp.h944
1 files changed, 944 insertions, 0 deletions
diff --git a/include/crypto/evp.h b/include/crypto/evp.h
new file mode 100644
index 00000000..c5d3a930
--- /dev/null
+++ b/include/crypto/evp.h
@@ -0,0 +1,944 @@
+/*
+ * 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 */