--- /dev/null
+/*
+
+ silcpkcs_i.h
+
+ Author: Pekka Riikonen <priikone@silcnet.org>
+
+ Copyright (C) 1997 - 2007 Pekka Riikonen
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+*/
+
+#ifndef SILCPKCS_I_H
+#define SILCPKCS_I_H
+
+#ifndef SILCPKCS_H
+#error "Do not include this header directly"
+#endif
+
+/* The PKCS Algorithm object to represent any PKCS algorithm. This context
+ implements the PKCS algorithm, such as RSA, DSA, etc. */
+struct SilcPKCSAlgorithmStruct {
+ /* Algorithm name and scheme */
+ char *name; /* Eg. rsa, dsa, etc. */
+ char *scheme; /* Eg. pkcs1, openpgp, etc. */
+
+ /* Supported hash functions, comma separated list */
+ char *hash;
+
+ /* Generate new key pair. Returns PKCS algorithm specific public key
+ and private key contexts. */
+ SilcBool (*generate_key)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ SilcUInt32 keylen,
+ SilcRng rng,
+ void **ret_public_key,
+ void **ret_private_key);
+
+ /* Public key routines. */
+
+ /* Import/create new public key. Returns the length of the data that was
+ imported from `key' or 0 on error. Returns the PKCS algorithm specific
+ public key to `ret_public_key'. */
+ int (*import_public_key)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *key, SilcUInt32 key_len,
+ void **ret_public_key);
+
+ /* Export/encode public key. Returns the encoded public key buffer that
+ the caller must free. */
+ unsigned char *
+ (*export_public_key)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ SilcStack stack,
+ void *public_key,
+ SilcUInt32 *ret_len);
+
+ /* Returns the bit length of public key */
+ SilcUInt32 (*public_key_bitlen)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key);
+
+ /* Duplicated public key */
+ void *(*public_key_copy)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key);
+
+ /* Compares two public keys. Returns TRUE if they are identical. */
+ SilcBool (*public_key_compare)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *key1, void *key2);
+
+ /* Free public key */
+ void (*public_key_free)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key);
+
+ /* Private key routines. */
+
+ /* Import/create new private key. Returns the length of the data that was
+ imported from `key' or 0 on error. Returns the PKCS algorithm specific
+ private key to `ret_private_key'. */
+ int (*import_private_key)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *key,
+ SilcUInt32 key_len,
+ void **ret_private_key);
+
+ /* Export/encode private key. Returns the encoded private key buffer that
+ the caller must free. */
+ unsigned char *
+ (*export_private_key)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ SilcStack stack,
+ void *private_key,
+ SilcUInt32 *ret_len);
+
+ /* Returns the bi length of private key */
+ SilcUInt32 (*private_key_bitlen)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key);
+
+ /* Free private key */
+ void (*private_key_free)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *private_key);
+
+ /* Encrypt and decrypt operations */
+ SilcAsyncOperation (*encrypt)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcRng rng,
+ SilcPKCSEncryptCb encrypt_cb,
+ void *context);
+ SilcAsyncOperation (*decrypt)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *private_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcPKCSDecryptCb decrypt_cb,
+ void *context);
+
+ /* Signature and verification operations */
+ SilcAsyncOperation (*sign)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *private_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcBool compute_hash,
+ SilcHash hash,
+ SilcPKCSSignCb sign_cb,
+ void *context);
+ SilcAsyncOperation (*verify)(const struct SilcPKCSAlgorithmStruct *pkcs,
+ void *public_key,
+ unsigned char *signature,
+ SilcUInt32 signature_len,
+ unsigned char *data,
+ SilcUInt32 data_len,
+ SilcHash hash,
+ SilcPKCSVerifyCb verify_cb,
+ void *context);
+};
+
+/* The PKCS (Public Key Cryptosystem) object to represent any PKCS. This
+ context implements the PKCS, such as SILC public keys, X.509 certificates,
+ OpenPGP certificates, etc. under a common API. */
+struct SilcPKCSObjectStruct {
+ /* PKCS type */
+ SilcPKCSType type;
+
+ /* Public key routines */
+
+ /* Returns PKCS algorithm context from public key */
+ const SilcPKCSAlgorithm *
+ (*get_algorithm)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key);
+
+ /* Imports from public key file */
+ SilcBool (*import_public_key_file)(const struct SilcPKCSObjectStruct *pkcs,
+ unsigned char *filedata,
+ SilcUInt32 filedata_len,
+ SilcPKCSFileEncoding encoding,
+ void **ret_public_key);
+
+ /* Imports from public key binary data. Returns the amount of bytes
+ imported from `key' or 0 on error. */
+ int (*import_public_key)(const struct SilcPKCSObjectStruct *pkcs,
+ void *key,
+ SilcUInt32 key_len,
+ void **ret_public_key);
+
+ /* Exports public key to file */
+ unsigned char *
+ (*export_public_key_file)(const struct SilcPKCSObjectStruct *pkcs,
+ SilcStack stack,
+ void *public_key,
+ SilcPKCSFileEncoding encoding,
+ SilcUInt32 *ret_len);
+
+ /* Export public key as binary data */
+ unsigned char *(*export_public_key)(const struct SilcPKCSObjectStruct *pkcs,
+ SilcStack stack,
+ void *public_key,
+ SilcUInt32 *ret_len);
+
+ /* Returns key length in bits */
+ SilcUInt32 (*public_key_bitlen)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key);
+
+ /* Copy public key */
+ void *(*public_key_copy)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key);
+
+ /* Compares public keys */
+ SilcBool (*public_key_compare)(const struct SilcPKCSObjectStruct *pkcs,
+ void *key1, void *key2);
+
+ /* Free public key */
+ void (*public_key_free)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key);
+
+ /* Private key routines */
+
+ /* Imports from private key file */
+ SilcBool (*import_private_key_file)(const struct SilcPKCSObjectStruct *pkcs,
+ unsigned char *filedata,
+ SilcUInt32 filedata_len,
+ const char *passphrase,
+ SilcUInt32 passphrase_len,
+ SilcPKCSFileEncoding encoding,
+ void **ret_private_key);
+
+ /* Imports from private key binary data. Returns the amount of bytes
+ imported from `key' or 0 on error. */
+ int (*import_private_key)(const struct SilcPKCSObjectStruct *pkcs,
+ void *key,
+ SilcUInt32 key_len,
+ void **ret_private_key);
+
+ /* Exports private key to file */
+ unsigned char *
+ (*export_private_key_file)(const struct SilcPKCSObjectStruct *pkcs,
+ SilcStack stack,
+ void *private_key,
+ const char *passphrase,
+ SilcUInt32 passphrase_len,
+ SilcPKCSFileEncoding encoding,
+ SilcRng rng,
+ SilcUInt32 *ret_len);
+
+ /* Export private key as binary data */
+ unsigned char *(*export_private_key)(const struct SilcPKCSObjectStruct *pkcs,
+ SilcStack stack,
+ void *private_key,
+ SilcUInt32 *ret_len);
+
+ /* Returns key length in bits */
+ SilcUInt32 (*private_key_bitlen)(const struct SilcPKCSObjectStruct *pkcs,
+ void *private_key);
+
+ /* Free private key */
+ void (*private_key_free)(const struct SilcPKCSObjectStruct *pkcs,
+ void *private_key);
+
+ /* Encrypt and decrypt operations */
+ SilcAsyncOperation (*encrypt)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcRng rng,
+ SilcPKCSEncryptCb encrypt_cb,
+ void *context);
+ SilcAsyncOperation (*decrypt)(const struct SilcPKCSObjectStruct *pkcs,
+ void *private_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcPKCSDecryptCb decrypt_cb,
+ void *context);
+
+ /* Signature and verification operations */
+ SilcAsyncOperation (*sign)(const struct SilcPKCSObjectStruct *pkcs,
+ void *private_key,
+ unsigned char *src,
+ SilcUInt32 src_len,
+ SilcBool compute_hash,
+ SilcHash hash,
+ SilcPKCSSignCb sign_cb,
+ void *context);
+ SilcAsyncOperation (*verify)(const struct SilcPKCSObjectStruct *pkcs,
+ void *public_key,
+ unsigned char *signature,
+ SilcUInt32 signature_len,
+ unsigned char *data,
+ SilcUInt32 data_len,
+ SilcHash hash,
+ SilcPKCSVerifyCb verify_cb,
+ void *context);
+};
+
+#endif /* SILCPKCS_I_H */
projects / crypto.git / blobdiff