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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/crypto/evp/evp_locl.h
Initial import
Diffstat (limited to 'openssl/crypto/evp/evp_locl.h')
-rw-r--r--openssl/crypto/evp/evp_locl.h345
1 files changed, 345 insertions, 0 deletions
diff --git a/openssl/crypto/evp/evp_locl.h b/openssl/crypto/evp/evp_locl.h
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+++ b/openssl/crypto/evp/evp_locl.h
@@ -0,0 +1,345 @@
+/* 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).
+ *
+ */
+
+/* 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);