/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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 acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #ifndef OPENSSL_HEADER_EVP_INTERNAL_H #define OPENSSL_HEADER_EVP_INTERNAL_H #include #if defined(__cplusplus) extern "C" { #endif /* These values are flags for EVP_PKEY_ASN1_METHOD.flags. */ /* ASN1_PKEY_SIGPARAM_NULL controls whether the default behavior of * EVP_DigestSignAlgorithm writes an explicit NULL parameter in the * AlgorithmIdentifier. */ #define ASN1_PKEY_SIGPARAM_NULL 0x1 /* evp_digest_sign_algorithm_result_t is the return value of the * digest_sign_algorithm function in EVP_PKEY_ASN1_METHOD. */ typedef enum { /* EVP_DIGEST_SIGN_ALGORITHM_ERROR signals an error. */ EVP_DIGEST_SIGN_ALGORITHM_ERROR = 0, /* EVP_DIGEST_SIGN_ALGORITHM_SUCCESS signals that the parameters were * serialized in the AlgorithmIdentifier. */ EVP_DIGEST_SIGN_ALGORITHM_SUCCESS = 1, /* EVP_DIGEST_SIGN_ALGORITHM_DEFAULT signals that the parameters are * serialized using the default behavior. */ EVP_DIGEST_SIGN_ALGORITHM_DEFAULT = 2, } evp_digest_sign_algorithm_result_t; struct evp_pkey_asn1_method_st { int pkey_id; int pkey_base_id; unsigned long pkey_flags; char *pem_str; char *info; int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub); int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk); int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf); int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); /* pkey_opaque returns 1 if the |pk| is opaque. Opaque keys are backed by * custom implementations which do not expose key material and parameters.*/ int (*pkey_opaque)(const EVP_PKEY *pk); int (*pkey_size)(const EVP_PKEY *pk); int (*pkey_bits)(const EVP_PKEY *pk); int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen); int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder); int (*param_missing)(const EVP_PKEY *pk); int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from); int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); int (*sig_print)(BIO *out, const X509_ALGOR *sigalg, const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx); void (*pkey_free)(EVP_PKEY *pkey); int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2); /* Legacy functions for old PEM */ int (*old_priv_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen); int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder); /* Converting parameters to/from AlgorithmIdentifier (X509_ALGOR). */ int (*digest_verify_init_from_algorithm)(EVP_MD_CTX *ctx, X509_ALGOR *algor, EVP_PKEY *pkey); evp_digest_sign_algorithm_result_t (*digest_sign_algorithm)( EVP_MD_CTX *ctx, X509_ALGOR *algor); } /* EVP_PKEY_ASN1_METHOD */; typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx); #define EVP_PKEY_OP_UNDEFINED 0 #define EVP_PKEY_OP_PARAMGEN (1 << 1) #define EVP_PKEY_OP_KEYGEN (1 << 2) #define EVP_PKEY_OP_SIGN (1 << 3) #define EVP_PKEY_OP_VERIFY (1 << 4) #define EVP_PKEY_OP_VERIFYRECOVER (1 << 5) #define EVP_PKEY_OP_SIGNCTX (1 << 6) #define EVP_PKEY_OP_VERIFYCTX (1 << 7) #define EVP_PKEY_OP_ENCRYPT (1 << 8) #define EVP_PKEY_OP_DECRYPT (1 << 9) #define EVP_PKEY_OP_DERIVE (1 << 10) #define EVP_PKEY_OP_TYPE_SIG \ (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER | \ EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX) #define EVP_PKEY_OP_TYPE_CRYPT (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT) #define EVP_PKEY_OP_TYPE_NOGEN \ (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE) #define EVP_PKEY_OP_TYPE_GEN (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN) #define EVP_PKEY_CTRL_MD 1 #define EVP_PKEY_CTRL_GET_MD 2 #define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) #define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 2) #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 3) #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 4) #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 5) #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 6) #define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 7) #define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 8) #define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 9) #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 10) #define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 11) #define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 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; /* operation contains one of the |EVP_PKEY_OP_*| values. */ int operation; /* Algorithm specific data */ void *data; /* Application specific data */ void *app_data; } /* EVP_PKEY_CTX */; 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 (*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 */; #if defined(__cplusplus) } /* extern C */ #endif #endif /* OPENSSL_HEADER_EVP_INTERNAL_H */