From 58212f218e22658f3fdc61a1dac6b56655276443 Mon Sep 17 00:00:00 2001 From: cameronrich Date: Wed, 29 Aug 2007 13:38:26 +0000 Subject: [PATCH] added crypto_misc.h git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@118 9a5d90b5-6617-0410-8a86-bb477d3ed2e3 --- ssl/crypto_misc.h | 212 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100644 ssl/crypto_misc.h diff --git a/ssl/crypto_misc.h b/ssl/crypto_misc.h new file mode 100644 index 000000000..9811810f9 --- /dev/null +++ b/ssl/crypto_misc.h @@ -0,0 +1,212 @@ +/* + * Copyright(C) 2007 Cameron Rich + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This library 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/** + * @file crypto_misc.h + */ + +#ifndef HEADER_CRYPTO_MISC_H +#define HEADER_CRYPTO_MISC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bigint.h" + +/************************************************************************** + * RSA declarations + **************************************************************************/ + +typedef struct +{ + bigint *m; /* modulus */ + bigint *e; /* public exponent */ + bigint *d; /* private exponent */ +#ifdef CONFIG_BIGINT_CRT + bigint *p; /* p as in m = pq */ + bigint *q; /* q as in m = pq */ + bigint *dP; /* d mod (p-1) */ + bigint *dQ; /* d mod (q-1) */ + bigint *qInv; /* q^-1 mod p */ +#endif + int num_octets; + BI_CTX *bi_ctx; +} RSA_CTX; + +void RSA_priv_key_new(RSA_CTX **rsa_ctx, + const uint8_t *modulus, int mod_len, + const uint8_t *pub_exp, int pub_len, + const uint8_t *priv_exp, int priv_len +#ifdef CONFIG_BIGINT_CRT + , const uint8_t *p, int p_len, + const uint8_t *q, int q_len, + const uint8_t *dP, int dP_len, + const uint8_t *dQ, int dQ_len, + const uint8_t *qInv, int qInv_len +#endif + ); +void RSA_pub_key_new(RSA_CTX **rsa_ctx, + const uint8_t *modulus, int mod_len, + const uint8_t *pub_exp, int pub_len); +void RSA_free(RSA_CTX *ctx); +int RSA_decrypt(const RSA_CTX *ctx, const uint8_t *in_data, uint8_t *out_data, + int is_decryption); +bigint *RSA_private(const RSA_CTX *c, bigint *bi_msg); +#ifdef CONFIG_SSL_CERT_VERIFICATION +bigint *RSA_sign_verify(BI_CTX *ctx, const uint8_t *sig, int sig_len, + bigint *modulus, bigint *pub_exp); +bigint *RSA_public(const RSA_CTX * c, bigint *bi_msg); +int RSA_encrypt(const RSA_CTX *ctx, const uint8_t *in_data, uint16_t in_len, + uint8_t *out_data, int is_signing); +void RSA_print(const RSA_CTX *ctx); +#endif + +/************************************************************************** + * RNG declarations + **************************************************************************/ +EXP_FUNC void STDCALL RNG_initialize(const uint8_t *seed_buf, int size); +EXP_FUNC void STDCALL RNG_terminate(void); +EXP_FUNC void STDCALL get_random(int num_rand_bytes, uint8_t *rand_data); +void get_random_NZ(int num_rand_bytes, uint8_t *rand_data); + +/************************************************************************** + * X509 declarations + **************************************************************************/ +#define X509_OK 0 +#define X509_NOT_OK -1 +#define X509_VFY_ERROR_NO_TRUSTED_CERT -2 +#define X509_VFY_ERROR_BAD_SIGNATURE -3 +#define X509_VFY_ERROR_NOT_YET_VALID -4 +#define X509_VFY_ERROR_EXPIRED -5 +#define X509_VFY_ERROR_SELF_SIGNED -6 +#define X509_VFY_ERROR_INVALID_CHAIN -7 +#define X509_VFY_ERROR_UNSUPPORTED_DIGEST -8 +#define X509_INVALID_PRIV_KEY -9 + +/* + * The Distinguished Name + */ +#define X509_NUM_DN_TYPES 3 +#define X509_COMMON_NAME 0 +#define X509_ORGANIZATION 1 +#define X509_ORGANIZATIONAL_TYPE 2 + +struct _x509_ctx +{ + char *ca_cert_dn[X509_NUM_DN_TYPES]; + char *cert_dn[X509_NUM_DN_TYPES]; +#if defined(_WIN32_WCE) + long not_before; + long not_after; +#else + time_t not_before; + time_t not_after; +#endif + uint8_t *signature; + uint16_t sig_len; + uint8_t sig_type; + RSA_CTX *rsa_ctx; + bigint *digest; + struct _x509_ctx *next; +}; + +typedef struct _x509_ctx X509_CTX; + +#ifdef CONFIG_SSL_CERT_VERIFICATION +typedef struct +{ + X509_CTX *cert[CONFIG_X509_MAX_CA_CERTS]; +} CA_CERT_CTX; +#endif + +int x509_new(const uint8_t *cert, int *len, X509_CTX **ctx); +void x509_free(X509_CTX *x509_ctx); +#ifdef CONFIG_SSL_CERT_VERIFICATION +int x509_verify(const CA_CERT_CTX *ca_cert_ctx, const X509_CTX *cert); +const uint8_t *x509_get_signature(const uint8_t *asn1_signature, int *len); +#endif +#ifdef CONFIG_SSL_FULL_MODE +void x509_print(CA_CERT_CTX *ca_cert_ctx, const X509_CTX *cert); +void x509_display_error(int error); +#endif + +/************************************************************************** + * ASN1 declarations + **************************************************************************/ +#define ASN1_INTEGER 0x02 +#define ASN1_BIT_STRING 0x03 +#define ASN1_OCTET_STRING 0x04 +#define ASN1_NULL 0x05 +#define ASN1_OID 0x06 +#define ASN1_PRINTABLE_STR 0x13 +#define ASN1_TELETEX_STR 0x14 +#define ASN1_IA5_STR 0x16 +#define ASN1_UTC_TIME 0x17 +#define ASN1_SEQUENCE 0x30 +#define ASN1_SET 0x31 +#define ASN1_IMPLICIT_TAG 0x80 +#define ASN1_EXPLICIT_TAG 0xa0 + +#define SIG_TYPE_MD2 0x02 +#define SIG_TYPE_MD5 0x04 +#define SIG_TYPE_SHA1 0x05 + +int get_asn1_length(const uint8_t *buf, int *offset); +int asn1_get_private_key(const uint8_t *buf, int len, RSA_CTX **rsa_ctx); +int asn1_next_obj(const uint8_t *buf, int *offset, int obj_type); +int asn1_skip_obj(const uint8_t *buf, int *offset, int obj_type); +int asn1_get_int(const uint8_t *buf, int *offset, uint8_t **object); +int asn1_version(const uint8_t *cert, int *offset, X509_CTX *x509_ctx); +int asn1_validity(const uint8_t *cert, int *offset, X509_CTX *x509_ctx); +int asn1_name(const uint8_t *cert, int *offset, char *dn[]); +int asn1_public_key(const uint8_t *cert, int *offset, X509_CTX *x509_ctx); +#ifdef CONFIG_SSL_CERT_VERIFICATION +int asn1_signature(const uint8_t *cert, int *offset, X509_CTX *x509_ctx); +int asn1_compare_dn(char * const dn1[], char * const dn2[]); +#endif +int asn1_signature_type(const uint8_t *cert, + int *offset, X509_CTX *x509_ctx); + +/************************************************************************** + * MISC declarations + **************************************************************************/ +#define SALT_SIZE 8 + +extern const char * const unsupported_str; + +typedef void (*crypt_func)(void *, const uint8_t *, uint8_t *, int); +typedef void (*hmac_func)(const uint8_t *msg, int length, const uint8_t *key, + int key_len, uint8_t *digest); + +int get_file(const char *filename, uint8_t **buf); + +#if defined(CONFIG_SSL_FULL_MODE) || defined(WIN32) || defined(CONFIG_DEBUG) +EXP_FUNC void STDCALL print_blob(const char *format, const uint8_t *data, int size, ...); +#else + #define print_blob(...) +#endif + +EXP_FUNC int STDCALL base64_decode(const char *in, int len, + uint8_t *out, int *outlen); + +#ifdef __cplusplus +} +#endif + +#endif