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Diffstat (limited to 'src/crypto/evp/internal.h')
| -rw-r--r-- | src/crypto/evp/internal.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/crypto/evp/internal.h b/src/crypto/evp/internal.h new file mode 100644 index 0000000..2b0f608 --- /dev/null +++ b/src/crypto/evp/internal.h @@ -0,0 +1,255 @@ +/* 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 <openssl/base.h> + +#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); + + /* pkey_supports_digest returns one if |pkey| supports digests of + * type |md|. This is intended for use with EVP_PKEYs backing custom + * implementations which can't sign all digests. If null, it is + * assumed that all digests are supported. */ + int (*pkey_supports_digest)(const EVP_PKEY *pkey, const EVP_MD *md); + + 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); + + /* 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 */ |