diff options
author | Matt Johnston <matt@ucc.asn.au> | 2006-03-08 12:58:00 +0000 |
---|---|---|
committer | Matt Johnston <matt@ucc.asn.au> | 2006-03-08 12:58:00 +0000 |
commit | c57e1d8def6e38d350da8b098a91806d405e952e (patch) | |
tree | dbd7bff4e514b7bfd2f2fe365eeaaea77ebafffd /src/headers/tomcrypt_pk.h |
Re-import libtomcrypt 1.05 for cleaner propagating.
From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
--HG--
branch : libtomcrypt-orig
extra : convert_revision : 5c0c50e93111636ccf8deb758a689ad713797baf
Diffstat (limited to 'src/headers/tomcrypt_pk.h')
-rw-r--r-- | src/headers/tomcrypt_pk.h | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/src/headers/tomcrypt_pk.h b/src/headers/tomcrypt_pk.h new file mode 100644 index 0000000..4f047de --- /dev/null +++ b/src/headers/tomcrypt_pk.h @@ -0,0 +1,381 @@ +/* ---- NUMBER THEORY ---- */ +#ifdef MPI + +#include "ltc_tommath.h" + +/* in/out macros */ +#define OUTPUT_BIGNUM(num, out, y, z) \ +{ \ + if ((y + 4) > *outlen) { return CRYPT_BUFFER_OVERFLOW; } \ + z = (unsigned long)mp_unsigned_bin_size(num); \ + STORE32L(z, out+y); \ + y += 4; \ + if ((y + z) > *outlen) { return CRYPT_BUFFER_OVERFLOW; } \ + if ((err = mp_to_unsigned_bin(num, out+y)) != MP_OKAY) { return mpi_to_ltc_error(err); } \ + y += z; \ +} + + +#define INPUT_BIGNUM(num, in, x, y, inlen) \ +{ \ + /* load value */ \ + if ((y + 4) > inlen) { \ + err = CRYPT_INVALID_PACKET; \ + goto error; \ + } \ + LOAD32L(x, in+y); \ + y += 4; \ + \ + /* sanity check... */ \ + if ((x+y) > inlen) { \ + err = CRYPT_INVALID_PACKET; \ + goto error; \ + } \ + \ + /* load it */ \ + if ((err = mp_read_unsigned_bin(num, (unsigned char *)in+y, (int)x)) != MP_OKAY) {\ + err = mpi_to_ltc_error(err); \ + goto error; \ + } \ + y += x; \ + if ((err = mp_shrink(num)) != MP_OKAY) { \ + err = mpi_to_ltc_error(err); \ + goto error; \ + } \ +} + + int is_prime(mp_int *, int *); + int rand_prime(mp_int *N, long len, prng_state *prng, int wprng); + +#else + #ifdef MRSA + #error RSA requires the big int library + #endif + #ifdef MECC + #error ECC requires the big int library + #endif + #ifdef MDH + #error DH requires the big int library + #endif + #ifdef MDSA + #error DSA requires the big int library + #endif +#endif /* MPI */ + + +/* ---- PUBLIC KEY CRYPTO ---- */ + +#define PK_PRIVATE 0 /* PK private keys */ +#define PK_PUBLIC 1 /* PK public keys */ + +/* ---- PACKET ---- */ +#ifdef PACKET + +void packet_store_header(unsigned char *dst, int section, int subsection); +int packet_valid_header(unsigned char *src, int section, int subsection); + +#endif + + +/* ---- RSA ---- */ +#ifdef MRSA + +/* Min and Max RSA key sizes (in bits) */ +#define MIN_RSA_SIZE 1024 +#define MAX_RSA_SIZE 4096 + +typedef struct Rsa_key { + int type; + mp_int e, d, N, p, q, qP, dP, dQ; +} rsa_key; + +int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key); + +int rsa_exptmod(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, int which, + rsa_key *key); + +void rsa_free(rsa_key *key); + +/* These use PKCS #1 v2.0 padding */ +int rsa_encrypt_key(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + const unsigned char *lparam, unsigned long lparamlen, + prng_state *prng, int prng_idx, int hash_idx, rsa_key *key); + +int rsa_decrypt_key(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + const unsigned char *lparam, unsigned long lparamlen, + int hash_idx, int *stat, + rsa_key *key); + +int rsa_sign_hash(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int prng_idx, + int hash_idx, unsigned long saltlen, + rsa_key *key); + +int rsa_verify_hash(const unsigned char *sig, unsigned long siglen, + const unsigned char *hash, unsigned long hashlen, + int hash_idx, unsigned long saltlen, + int *stat, rsa_key *key); + +/* PKCS #1 import/export */ +int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key); +int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key); + +#endif + +/* ---- DH Routines ---- */ +#ifdef MDH + +typedef struct Dh_key { + int idx, type; + mp_int x, y; +} dh_key; + +int dh_test(void); +void dh_sizes(int *low, int *high); +int dh_get_size(dh_key *key); + +int dh_make_key(prng_state *prng, int wprng, int keysize, dh_key *key); +void dh_free(dh_key *key); + +int dh_export(unsigned char *out, unsigned long *outlen, int type, dh_key *key); +int dh_import(const unsigned char *in, unsigned long inlen, dh_key *key); + +int dh_shared_secret(dh_key *private_key, dh_key *public_key, + unsigned char *out, unsigned long *outlen); + +int dh_encrypt_key(const unsigned char *in, unsigned long keylen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int wprng, int hash, + dh_key *key); + +int dh_decrypt_key(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + dh_key *key); + +int dh_sign_hash(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int wprng, dh_key *key); + +int dh_verify_hash(const unsigned char *sig, unsigned long siglen, + const unsigned char *hash, unsigned long hashlen, + int *stat, dh_key *key); + + +#endif + +/* ---- ECC Routines ---- */ +#ifdef MECC +typedef struct { + mp_int x, y, z; +} ecc_point; + +typedef struct { + int type, idx; + ecc_point pubkey; + mp_int k; +} ecc_key; + +int ecc_test(void); +void ecc_sizes(int *low, int *high); +int ecc_get_size(ecc_key *key); + +int ecc_make_key(prng_state *prng, int wprng, int keysize, ecc_key *key); +void ecc_free(ecc_key *key); + +int ecc_export(unsigned char *out, unsigned long *outlen, int type, ecc_key *key); +int ecc_import(const unsigned char *in, unsigned long inlen, ecc_key *key); + +int ecc_shared_secret(ecc_key *private_key, ecc_key *public_key, + unsigned char *out, unsigned long *outlen); + +int ecc_encrypt_key(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int wprng, int hash, + ecc_key *key); + +int ecc_decrypt_key(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + ecc_key *key); + +int ecc_sign_hash(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int wprng, ecc_key *key); + +int ecc_verify_hash(const unsigned char *sig, unsigned long siglen, + const unsigned char *hash, unsigned long hashlen, + int *stat, ecc_key *key); + +#endif + +#ifdef MDSA + +typedef struct { + int type, qord; + mp_int g, q, p, x, y; +} dsa_key; + +int dsa_make_key(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key); +void dsa_free(dsa_key *key); + + +int dsa_sign_hash_raw(const unsigned char *in, unsigned long inlen, + mp_int *r, mp_int *s, + prng_state *prng, int wprng, dsa_key *key); + +int dsa_sign_hash(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen, + prng_state *prng, int wprng, dsa_key *key); + +int dsa_verify_hash_raw( mp_int *r, mp_int *s, + const unsigned char *hash, unsigned long hashlen, + int *stat, dsa_key *key); + +int dsa_verify_hash(const unsigned char *sig, unsigned long siglen, + const unsigned char *hash, unsigned long hashlen, + int *stat, dsa_key *key); + +int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key); + +int dsa_export(unsigned char *out, unsigned long *outlen, int type, dsa_key *key); + +int dsa_verify_key(dsa_key *key, int *stat); + +#endif + +#ifdef LTC_DER +/* DER handling */ + +enum { + LTC_ASN1_EOL, + LTC_ASN1_INTEGER, + LTC_ASN1_SHORT_INTEGER, + LTC_ASN1_BIT_STRING, + LTC_ASN1_OCTET_STRING, + LTC_ASN1_NULL, + LTC_ASN1_OBJECT_IDENTIFIER, + LTC_ASN1_IA5_STRING, + LTC_ASN1_PRINTABLE_STRING, + LTC_ASN1_UTCTIME, + + LTC_ASN1_CHOICE, + LTC_ASN1_SEQUENCE +}; + +typedef struct { + int type; + void *data; + unsigned long size; + int used; +} ltc_asn1_list; + +#define LTC_SET_ASN1(list, index, Type, Data, Size) \ + do { \ + int LTC_MACRO_temp = (index); \ + ltc_asn1_list *LTC_MACRO_list = (list); \ + LTC_MACRO_list[LTC_MACRO_temp].type = (Type); \ + LTC_MACRO_list[LTC_MACRO_temp].data = (Data); \ + LTC_MACRO_list[LTC_MACRO_temp].size = (Size); \ + LTC_MACRO_list[LTC_MACRO_temp].used = 0; \ + } while (0); + +/* SEQUENCE */ +int der_encode_sequence(ltc_asn1_list *list, unsigned long inlen, + unsigned char *out, unsigned long *outlen); + +int der_decode_sequence(const unsigned char *in, unsigned long inlen, + ltc_asn1_list *list, unsigned long outlen); + +int der_length_sequence(ltc_asn1_list *list, unsigned long inlen, + unsigned long *outlen); + +/* VA list handy helpers */ +int der_encode_sequence_multi(unsigned char *out, unsigned long *outlen, ...); +int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...); + +/* INTEGER */ +int der_encode_integer(mp_int *num, unsigned char *out, unsigned long *outlen); +int der_decode_integer(const unsigned char *in, unsigned long inlen, mp_int *num); +int der_length_integer(mp_int *num, unsigned long *len); + +/* INTEGER -- handy for 0..2^32-1 values */ +int der_decode_short_integer(const unsigned char *in, unsigned long inlen, unsigned long *num); +int der_encode_short_integer(unsigned long num, unsigned char *out, unsigned long *outlen); +int der_length_short_integer(unsigned long num, unsigned long *outlen); + +/* BIT STRING */ +int der_encode_bit_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_decode_bit_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_length_bit_string(unsigned long nbits, unsigned long *outlen); + +/* OCTET STRING */ +int der_encode_octet_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_decode_octet_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_length_octet_string(unsigned long noctets, unsigned long *outlen); + +/* OBJECT IDENTIFIER */ +int der_encode_object_identifier(unsigned long *words, unsigned long nwords, + unsigned char *out, unsigned long *outlen); +int der_decode_object_identifier(const unsigned char *in, unsigned long inlen, + unsigned long *words, unsigned long *outlen); +int der_length_object_identifier(unsigned long *words, unsigned long nwords, unsigned long *outlen); +unsigned long der_object_identifier_bits(unsigned long x); + +/* IA5 STRING */ +int der_encode_ia5_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_decode_ia5_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen); + +int der_ia5_char_encode(int c); +int der_ia5_value_decode(int v); + +/* Printable STRING */ +int der_encode_printable_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_decode_printable_string(const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen); +int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen); + +int der_printable_char_encode(int c); +int der_printable_value_decode(int v); + +/* CHOICE */ +int der_decode_choice(const unsigned char *in, unsigned long *inlen, + ltc_asn1_list *list, unsigned long outlen); + +/* UTCTime */ +typedef struct { + unsigned YY, /* year */ + MM, /* month */ + DD, /* day */ + hh, /* hour */ + mm, /* minute */ + ss, /* second */ + off_dir, /* timezone offset direction 0 == +, 1 == - */ + off_hh, /* timezone offset hours */ + off_mm; /* timezone offset minutes */ +} ltc_utctime; + +int der_encode_utctime(ltc_utctime *utctime, + unsigned char *out, unsigned long *outlen); + +int der_decode_utctime(const unsigned char *in, unsigned long *inlen, + ltc_utctime *out); + +int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen); + + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_pk.h,v $ */ +/* $Revision: 1.30 $ */ +/* $Date: 2005/06/19 11:23:03 $ */ |