-/* evp_int.h */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2015.
- */
-/* ====================================================================
- * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2015-2018 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/evp.h>
+#include <openssl/core_numbers.h>
+#include "internal/refcount.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
+
struct evp_pkey_ctx_st {
+ EVP_KEYEXCH *exchange;
+ void *exchprovctx;
+
+ /* Legacy fields below */
+
/* Method associated with this operation */
const EVP_PKEY_METHOD *pmeth;
/* Engine that implements this method or NULL if builtin */
int pkey_id;
int flags;
int (*init) (EVP_PKEY_CTX *ctx);
- int (*copy) (EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);
+ 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 (*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);
extern const EVP_PKEY_METHOD cmac_pkey_meth;
extern const EVP_PKEY_METHOD dhx_pkey_meth;
extern const EVP_PKEY_METHOD dsa_pkey_meth;
extern const EVP_PKEY_METHOD ec_pkey_meth;
+extern const EVP_PKEY_METHOD sm2_pkey_meth;
+extern const EVP_PKEY_METHOD ecx25519_pkey_meth;
+extern const EVP_PKEY_METHOD ecx448_pkey_meth;
+extern const EVP_PKEY_METHOD ed25519_pkey_meth;
+extern const EVP_PKEY_METHOD ed448_pkey_meth;
extern const EVP_PKEY_METHOD hmac_pkey_meth;
extern const EVP_PKEY_METHOD rsa_pkey_meth;
+extern const EVP_PKEY_METHOD rsa_pss_pkey_meth;
+extern const EVP_PKEY_METHOD scrypt_pkey_meth;
+extern const EVP_PKEY_METHOD tls1_prf_pkey_meth;
+extern const EVP_PKEY_METHOD hkdf_pkey_meth;
+extern const EVP_PKEY_METHOD poly1305_pkey_meth;
+extern const EVP_PKEY_METHOD siphash_pkey_meth;
+
+/* struct evp_mac_impl_st is defined by the implementation */
+typedef struct evp_mac_impl_st EVP_MAC_IMPL;
+struct evp_mac_st {
+ int type;
+ EVP_MAC_IMPL *(*new) (void);
+ EVP_MAC_IMPL *(*dup) (const EVP_MAC_IMPL *macsrc);
+ void (*free) (EVP_MAC_IMPL *macctx);
+ size_t (*size) (EVP_MAC_IMPL *macctx);
+ int (*init) (EVP_MAC_IMPL *macctx);
+ int (*update) (EVP_MAC_IMPL *macctx, const unsigned char *data,
+ size_t datalen);
+ int (*final) (EVP_MAC_IMPL *macctx, unsigned char *out);
+ int (*ctrl) (EVP_MAC_IMPL *macctx, int cmd, va_list args);
+ int (*ctrl_str) (EVP_MAC_IMPL *macctx, const char *type, const char *value);
+};
+
+extern const EVP_MAC blake2b_mac_meth;
+extern const EVP_MAC blake2s_mac_meth;
+extern const EVP_MAC cmac_meth;
+extern const EVP_MAC gmac_meth;
+extern const EVP_MAC hmac_meth;
+extern const EVP_MAC kmac128_meth;
+extern const EVP_MAC kmac256_meth;
+extern const EVP_MAC siphash_meth;
+extern const EVP_MAC poly1305_meth;
+
+/* Internal keccak algorithms used for KMAC */
+const EVP_MD *evp_keccak_kmac128(void);
+const EVP_MD *evp_keccak_kmac256(void);
+
+/*
+ * This function is internal for now, but can be made external when needed.
+ * The documentation would read:
+ *
+ * EVP_add_mac() adds the MAC implementation C<mac> to the internal
+ * object database.
+ */
+int EVP_add_mac(const EVP_MAC *mac);
+int EVP_add_kdf(const EVP_KDF *kdf);
+
+/* struct evp_kdf_impl_st is defined by the implementation */
+typedef struct evp_kdf_impl_st EVP_KDF_IMPL;
+struct evp_kdf_st {
+ int type;
+ EVP_KDF_IMPL *(*new) (void);
+ void (*free) (EVP_KDF_IMPL *impl);
+ void (*reset) (EVP_KDF_IMPL *impl);
+ int (*ctrl) (EVP_KDF_IMPL *impl, int cmd, va_list args);
+ int (*ctrl_str) (EVP_KDF_IMPL *impl, const char *type, const char *value);
+ size_t (*size) (EVP_KDF_IMPL *impl);
+ int (*derive) (EVP_KDF_IMPL *impl, unsigned char *key, size_t keylen);
+};
+
+extern const EVP_KDF pbkdf2_kdf_meth;
+extern const EVP_KDF scrypt_kdf_meth;
+extern const EVP_KDF tls1_prf_kdf_meth;
+extern const EVP_KDF hkdf_kdf_meth;
+extern const EVP_KDF sshkdf_kdf_meth;
+extern const EVP_KDF ss_kdf_meth;
+extern const EVP_KDF x963_kdf_meth;
+extern const EVP_KDF x942_kdf_meth;
+
+struct evp_md_st {
+ /* nid */
+ int type;
+
+ /* Legacy structure members */
+ /* TODO(3.0): Remove these */
+ int pkey_type;
+ int md_size;
+ unsigned long flags;
+ 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 */
+ /* TODO(3.0): Remove above comment when legacy has gone */
+ OSSL_PROVIDER *prov;
+ CRYPTO_REF_COUNT refcnt;
+ CRYPTO_RWLOCK *lock;
+ OSSL_OP_digest_newctx_fn *newctx;
+ OSSL_OP_digest_init_fn *dinit;
+ OSSL_OP_digest_update_fn *dupdate;
+ OSSL_OP_digest_final_fn *dfinal;
+ OSSL_OP_digest_digest_fn *digest;
+ OSSL_OP_digest_freectx_fn *freectx;
+ OSSL_OP_digest_dupctx_fn *dupctx;
+ OSSL_OP_digest_size_fn *size;
+ OSSL_OP_digest_block_size_fn *dblock_size;
+ OSSL_OP_digest_set_params_fn *set_params;
+ OSSL_OP_digest_get_params_fn *get_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 */
+ /* TODO(3.0): Remove these */
+ /* Various flags */
+ unsigned long flags;
+ /* 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 */
+ /* TODO(3.0): Remove above comment when legacy has gone */
+ OSSL_PROVIDER *prov;
+ CRYPTO_REF_COUNT refcnt;
+ CRYPTO_RWLOCK *lock;
+ OSSL_OP_cipher_newctx_fn *newctx;
+ OSSL_OP_cipher_encrypt_init_fn *einit;
+ OSSL_OP_cipher_decrypt_init_fn *dinit;
+ OSSL_OP_cipher_update_fn *cupdate;
+ OSSL_OP_cipher_final_fn *cfinal;
+ OSSL_OP_cipher_cipher_fn *ccipher;
+ OSSL_OP_cipher_freectx_fn *freectx;
+ OSSL_OP_cipher_dupctx_fn *dupctx;
+ OSSL_OP_cipher_get_params_fn *get_params;
+ OSSL_OP_cipher_ctx_get_params_fn *ctx_get_params;
+ OSSL_OP_cipher_ctx_set_params_fn *ctx_set_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_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_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_num(ctx);\
+ cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \
+ EVP_CIPHER_CTX_set_num(ctx, num);\
+ inl-=EVP_MAXCHUNK;\
+ in +=EVP_MAXCHUNK;\
+ out+=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); \
+ 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, EVP_CIPHER_CTX_iv_noconst(ctx), 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));\
+ 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_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, EVP_CIPHER_CTX_iv_noconst(ctx),\
+ &num, EVP_CIPHER_CTX_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, \
+ 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,\
+ 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,\
+ 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,\
+ 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,\
+ 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)
+
+
+# ifndef OPENSSL_NO_EC
+
+#define X25519_KEYLEN 32
+#define X448_KEYLEN 56
+#define ED448_KEYLEN 57
+
+#define MAX_KEYLEN ED448_KEYLEN
+
+typedef struct {
+ unsigned char pubkey[MAX_KEYLEN];
+ unsigned char *privkey;
+} ECX_KEY;
+
+#endif
+
+/*
+ * Type needs to be a bit field Sub-type needs to be for variations on the
+ * method, as in, can it do arbitrary encryption....
+ */
+struct evp_pkey_st {
+ /* == Legacy attributes == */
+ int type;
+ int save_type;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *engine;
+ 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
+# 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
+ } pkey;
+
+ /* == Common attributes == */
+ CRYPTO_REF_COUNT references;
+ CRYPTO_RWLOCK *lock;
+ STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
+ int save_parameters;
+
+ /* == Provider attributes == */
+ /*
+ * To support transparent export/import between providers that
+ * support the methods for it, and still not having to do the
+ * export/import every time a key is used, we maintain a cache
+ * of imported key, indexed by provider address.
+ * pkeys[0] is *always* the "original" key.
+ */
+ struct {
+ EVP_KEYMGMT *keymgmt;
+ void *provkey;
+ } pkeys[10];
+ /*
+ * If there is a legacy key assigned to this structure, we keep
+ * a copy of that key's dirty count.
+ */
+ size_t dirty_cnt_copy;
+} /* EVP_PKEY */ ;
+
+
+void openssl_add_all_ciphers_int(void);
+void openssl_add_all_digests_int(void);
+void openssl_add_all_macs_int(void);
+void openssl_add_all_kdfs_int(void);
+void evp_cleanup_int(void);
+void evp_app_cleanup_int(void);
+
+/* KEYMGMT helper functions */
+void *evp_keymgmt_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt);
+void evp_keymgmt_clear_pkey_cache(EVP_PKEY *pk);
+
+/* KEYMGMT provider interface functions */
+void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt,
+ const OSSL_PARAM params[]);
+void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt,
+ const OSSL_PARAM params[]);
+void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt,
+ void *provdomparams);
+int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt,
+ void *provdomparams, OSSL_PARAM params[]);
+const OSSL_PARAM *
+evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt);
+const OSSL_PARAM *
+evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt);
+
+void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt,
+ const OSSL_PARAM params[]);
+void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams,
+ const OSSL_PARAM params[]);
+void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt,
+ void *id, size_t idlen);
+void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey);
+int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt,
+ void *provkey, OSSL_PARAM params[]);
+const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt);
+const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt);
+
+/* 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
projects / openssl.git / blobdiff