3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
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29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
60 struct evp_pkey_ctx_st {
61 /* Method associated with this operation */
62 const EVP_PKEY_METHOD *pmeth;
63 /* Engine that implements this method or NULL if builtin */
65 /* Key: may be NULL */
67 /* Peer key for key agreement, may be NULL */
69 /* Actual operation */
71 /* Algorithm specific data */
73 /* Application specific data */
76 EVP_PKEY_gen_cb *pkey_gencb;
77 /* implementation specific keygen data */
79 int keygen_info_count;
80 } /* EVP_PKEY_CTX */ ;
82 #define EVP_PKEY_FLAG_DYNAMIC 1
84 struct evp_pkey_method_st {
87 int (*init) (EVP_PKEY_CTX *ctx);
88 int (*copy) (EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);
89 void (*cleanup) (EVP_PKEY_CTX *ctx);
90 int (*paramgen_init) (EVP_PKEY_CTX *ctx);
91 int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
92 int (*keygen_init) (EVP_PKEY_CTX *ctx);
93 int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
94 int (*sign_init) (EVP_PKEY_CTX *ctx);
95 int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
96 const unsigned char *tbs, size_t tbslen);
97 int (*verify_init) (EVP_PKEY_CTX *ctx);
98 int (*verify) (EVP_PKEY_CTX *ctx,
99 const unsigned char *sig, size_t siglen,
100 const unsigned char *tbs, size_t tbslen);
101 int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
102 int (*verify_recover) (EVP_PKEY_CTX *ctx,
103 unsigned char *rout, size_t *routlen,
104 const unsigned char *sig, size_t siglen);
105 int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
106 int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
108 int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
109 int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
111 int (*encrypt_init) (EVP_PKEY_CTX *ctx);
112 int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
113 const unsigned char *in, size_t inlen);
114 int (*decrypt_init) (EVP_PKEY_CTX *ctx);
115 int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
116 const unsigned char *in, size_t inlen);
117 int (*derive_init) (EVP_PKEY_CTX *ctx);
118 int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
119 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
120 int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
121 } /* EVP_PKEY_METHOD */ ;
123 DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD)
125 void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
127 extern const EVP_PKEY_METHOD cmac_pkey_meth;
128 extern const EVP_PKEY_METHOD dh_pkey_meth;
129 extern const EVP_PKEY_METHOD dhx_pkey_meth;
130 extern const EVP_PKEY_METHOD dsa_pkey_meth;
131 extern const EVP_PKEY_METHOD ec_pkey_meth;
132 extern const EVP_PKEY_METHOD hmac_pkey_meth;
133 extern const EVP_PKEY_METHOD rsa_pkey_meth;
140 int (*init) (EVP_MD_CTX *ctx);
141 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
142 int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
143 int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
144 int (*cleanup) (EVP_MD_CTX *ctx);
146 int ctx_size; /* how big does the ctx->md_data need to be */
147 /* control function */
148 int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);