-/* 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 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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
*/
struct evp_pkey_ctx_st {
int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
} /* 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 dh_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 hmac_pkey_meth;
+extern const EVP_PKEY_METHOD rsa_pkey_meth;
+extern const EVP_PKEY_METHOD tls1_prf_pkey_meth;
+extern const EVP_PKEY_METHOD hkdf_pkey_meth;
+
+struct evp_md_st {
+ int type;
+ 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);
+} /* EVP_MD */ ;
+
+struct evp_cipher_st {
+ int nid;
+ int block_size;
+ /* Default value for variable length ciphers */
+ int key_len;
+ int iv_len;
+ /* 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;
+} /* 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) \
+ ? inl*8 : inl), \
+ &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)
+
+
+/*
+ * 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 {
+ int type;
+ int save_type;
+ int references;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *engine;
+ 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 */
+# endif
+ } pkey;
+ int save_parameters;
+ STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
+ CRYPTO_RWLOCK *lock;
+} /* EVP_PKEY */ ;
+
+
+void openssl_add_all_ciphers_int(void);
+void openssl_add_all_digests_int(void);
+void evp_cleanup_int(void);
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