-/* evp_locl.h */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999 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 2000-2016 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
*/
-/* Macros to code block cipher wrappers */
-
-/* Wrapper functions for each cipher mode */
-
-#define BLOCK_CIPHER_ecb_loop() \
- size_t i, bl; \
- bl = ctx->cipher->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, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\
- 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)\
- {\
- cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
- inl-=EVP_MAXCHUNK;\
- in +=EVP_MAXCHUNK;\
- out+=EVP_MAXCHUNK;\
- }\
- if (inl)\
- cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &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, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
- inl-=EVP_MAXCHUNK;\
- in +=EVP_MAXCHUNK;\
- out+=EVP_MAXCHUNK;\
- }\
- if (inl)\
- cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
- 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)\
- {\
- cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?inl*8:inl), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\
- 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 EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data)
-
-#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len) \
- 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, \
- 0, cipher##_init_key, NULL, \
- EVP_CIPHER_set_asn1_iv, \
- EVP_CIPHER_get_asn1_iv, \
- NULL)
-
-struct evp_pkey_ctx_st
- {
- /* 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;
- /* Actual operation */
- int operation;
- /* Algorithm specific data */
- void *data;
- /* Application specific data */
- void *app_data;
- /* Keygen callback */
- EVP_PKEY_gen_cb *pkey_gencb;
- /* implementation specific keygen data */
- int *keygen_info;
- int keygen_info_count;
- } /* 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, 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);
-
-
- } /* EVP_PKEY_METHOD */;
-
-void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
-
-int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
- ASN1_TYPE *param,
- const EVP_CIPHER *c, const EVP_MD *md, int en_de);
+/* EVP_MD_CTX related stuff */
+
+struct evp_md_ctx_st {
+ const EVP_MD *digest;
+ ENGINE *engine; /* functional reference if 'digest' is
+ * ENGINE-provided */
+ unsigned long flags;
+ void *md_data;
+ /* Public key context for sign/verify */
+ EVP_PKEY_CTX *pctx;
+ /* Update function: usually copied from EVP_MD */
+ int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
+} /* EVP_MD_CTX */ ;
+
+struct evp_cipher_ctx_st {
+ const EVP_CIPHER *cipher;
+ ENGINE *engine; /* functional reference if 'cipher' is
+ * ENGINE-provided */
+ int encrypt; /* encrypt or decrypt */
+ int buf_len; /* number we have left */
+ unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
+ unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
+ unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
+ int num; /* used by cfb/ofb/ctr mode */
+ /* FIXME: Should this even exist? It appears unused */
+ void *app_data; /* application stuff */
+ int key_len; /* May change for variable length cipher */
+ unsigned long flags; /* Various flags */
+ void *cipher_data; /* per EVP data */
+ int final_used;
+ int block_mask;
+ unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
+} /* EVP_CIPHER_CTX */ ;
+
+int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
+ int passlen, ASN1_TYPE *param,
+ const EVP_CIPHER *c, const EVP_MD *md,
+ int en_de);
+
+struct evp_Encode_Ctx_st {
+ /* number saved in a partial encode/decode */
+ int num;
+ /*
+ * The length is either the output line length (in input bytes) or the
+ * shortest input line length that is ok. Once decoding begins, the
+ * length is adjusted up each time a longer line is decoded
+ */
+ int length;
+ /* data to encode */
+ unsigned char enc_data[80];
+ /* number read on current line */
+ int line_num;
+ int expect_nl;
+};
+
+typedef struct evp_pbe_st EVP_PBE_CTL;
+DEFINE_STACK_OF(EVP_PBE_CTL)
+
+int is_partially_overlapping(const void *ptr1, const void *ptr2, int len);
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