/*
- * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * 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
* https://www.openssl.org/source/license.html
*/
-#include <openssl/evp.h>
-#include <openssl/core_dispatch.h>
-#include "internal/refcount.h"
-#include "crypto/ecx.h"
+#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
*/
#define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400
+/*
+ * An EVP_PKEY_CTX can have the following support states:
+ *
+ * Supports legacy implementations only:
+ *
+ * engine != NULL || keytype == NULL
+ *
+ * Supports provided implementations:
+ *
+ * engine == NULL && keytype != NULL
+ */
+#define evp_pkey_ctx_is_legacy(ctx) \
+ ((ctx)->engine != NULL || (ctx)->keytype == 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
*/
- OPENSSL_CTX *libctx;
- const char *propquery;
+ OSSL_LIB_CTX *libctx;
+ char *propquery;
const char *keytype;
EVP_KEYMGMT *keymgmt;
EVP_ASYM_CIPHER *cipher;
void *ciphprovctx;
} ciph;
+ struct {
+ EVP_KEM *kem;
+ void *kemprovctx;
+ } 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 */
/* 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 */
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
void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
-const EVP_PKEY_METHOD *cmac_pkey_method(void);
const EVP_PKEY_METHOD *dh_pkey_method(void);
const EVP_PKEY_METHOD *dhx_pkey_method(void);
const EVP_PKEY_METHOD *dsa_pkey_method(void);
const EVP_PKEY_METHOD *ec_pkey_method(void);
-const EVP_PKEY_METHOD *sm2_pkey_method(void);
const EVP_PKEY_METHOD *ecx25519_pkey_method(void);
const EVP_PKEY_METHOD *ecx448_pkey_method(void);
const EVP_PKEY_METHOD *ed25519_pkey_method(void);
const EVP_PKEY_METHOD *ed448_pkey_method(void);
-const EVP_PKEY_METHOD *hmac_pkey_method(void);
-const EVP_PKEY_METHOD *rsa_pkey_method(void);
-const EVP_PKEY_METHOD *rsa_pss_pkey_method(void);
-const EVP_PKEY_METHOD *scrypt_pkey_method(void);
-const EVP_PKEY_METHOD *tls1_prf_pkey_method(void);
-const EVP_PKEY_METHOD *hkdf_pkey_method(void);
-const EVP_PKEY_METHOD *poly1305_pkey_method(void);
-const EVP_PKEY_METHOD *siphash_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;
OSSL_FUNC_mac_newctx_fn *newctx;
OSSL_FUNC_mac_dupctx_fn *dupctx;
OSSL_FUNC_mac_freectx_fn *freectx;
- OSSL_FUNC_mac_size_fn *size;
OSSL_FUNC_mac_init_fn *init;
OSSL_FUNC_mac_update_fn *update;
OSSL_FUNC_mac_final_fn *final;
{\
while(inl>=EVP_MAXCHUNK) {\
int num = EVP_CIPHER_CTX_num(ctx);\
- cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
+ 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;\
}\
if (inl) {\
int num = EVP_CIPHER_CTX_num(ctx);\
- cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
+ 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;\
{\
while(inl>=EVP_MAXCHUNK) \
{\
- cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
+ cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_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, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\
+ cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, ctx->iv, EVP_CIPHER_CTX_encrypting(ctx));\
return 1;\
}
((cbits == 1) \
&& !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \
? chunk*8 : chunk), \
- &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\
+ &EVP_C_DATA(kstruct, ctx)->ksched, ctx->iv,\
&num, EVP_CIPHER_CTX_encrypting(ctx));\
EVP_CIPHER_CTX_set_num(ctx, num);\
inl -= chunk;\
(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:
*
ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */
union {
void *ptr;
-# ifndef OPENSSL_NO_RSA
struct rsa_st *rsa; /* RSA */
-# endif
# ifndef OPENSSL_NO_DSA
struct dsa_st *dsa; /* DSA */
# endif
# endif
/* == Common attributes == */
+ /* If these are modified, so must evp_pkey_downgrade() */
CRYPTO_REF_COUNT references;
CRYPTO_RWLOCK *lock;
STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
* 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.
- *
- * The cache limit is set at 10 different providers using the same
- * "origin". It's probably over the top, but is preferable to too
- * few.
*/
- struct {
- EVP_KEYMGMT *keymgmt;
- void *keydata;
- } operation_cache[10];
+ 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.
((ctx)->operation == EVP_PKEY_OP_PARAMGEN \
|| (ctx)->operation == EVP_PKEY_OP_KEYGEN)
+#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, OPENSSL_CTX *libctx,
+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);
int evp_pkey_downgrade(EVP_PKEY *pk);
void evp_pkey_free_legacy(EVP_PKEY *x);
#endif
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);
-size_t evp_keymgmt_util_find_operation_cache_index(EVP_PKEY *pk,
- EVP_KEYMGMT *keymgmt);
-void evp_keymgmt_util_clear_operation_cache(EVP_PKEY *pk);
-int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, size_t index,
+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,
void evp_keymgmt_freedata(const EVP_KEYMGMT *keymgmt, void *keyddata);
int evp_keymgmt_get_params(const EVP_KEYMGMT *keymgmt,
void *keydata, OSSL_PARAM params[]);
-const OSSL_PARAM *evp_keymgmt_gettable_params(const EVP_KEYMGMT *keymgmt);
int evp_keymgmt_set_params(const EVP_KEYMGMT *keymgmt,
void *keydata, const OSSL_PARAM params[]);
-const OSSL_PARAM *evp_keymgmt_settable_params(const EVP_KEYMGMT *keymgmt);
-
void *evp_keymgmt_gen_init(const EVP_KEYMGMT *keymgmt, int selection);
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[]);
-const OSSL_PARAM *
-evp_keymgmt_gen_settable_params(const EVP_KEYMGMT *keymgmt);
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(const EVP_KEYMGMT *keymgmt, void *keyddata, int selection);
int evp_keymgmt_validate(const EVP_KEYMGMT *keymgmt, void *keydata,
- int selection);
+ int selection, int checktype);
int evp_keymgmt_match(const EVP_KEYMGMT *keymgmt,
const void *keydata1, const void *keydata2,
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
+# 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);
/* 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(OPENSSL_CTX *libctx, const char *name);
-const EVP_MD *evp_get_digestbyname_ex(OPENSSL_CTX *libctx, const char *name);
+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 pkcs5_pbkdf2_hmac_with_libctx(const char *pass, int passlen,
- const unsigned char *salt, int saltlen,
- int iter, const EVP_MD *digest, int keylen,
- unsigned char *out,
- OPENSSL_CTX *libctx, const char *propq);
+int 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
+# ifndef FIPS_MODULE
/*
* Internal helpers for stricter EVP_PKEY_CTX_{set,get}_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_PKEY *evp_pkcs82pkey_int(const PKCS8_PRIV_KEY_INFO *p8, OPENSSL_CTX *libctx,
- const char *propq);
-#endif /* !defined(FIPS_MODULE) */
+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) */
+
+void evp_method_store_flush(OSSL_LIB_CTX *libctx);
+int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq,
+ int loadconfig);
+
+void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force);
+
+EVP_PKEY *evp_privatekey_from_binary(int keytype, EVP_PKEY **a,
+ const unsigned char **pp, long length,
+ OSSL_LIB_CTX *libctx, const char *propq);
+
+/* 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);
+
+#endif /* OSSL_CRYPTO_EVP_H */
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