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-rw-r--r--utils/tomcrypt/src/headers/tomcrypt_private.h447
1 files changed, 447 insertions, 0 deletions
diff --git a/utils/tomcrypt/src/headers/tomcrypt_private.h b/utils/tomcrypt/src/headers/tomcrypt_private.h
new file mode 100644
index 0000000000..e5e716584c
--- /dev/null
+++ b/utils/tomcrypt/src/headers/tomcrypt_private.h
@@ -0,0 +1,447 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+#include "tomcrypt.h"
+
+/*
+ * Internal Macros
+ */
+
+#define LTC_PAD_MASK (0xF000U)
+
+/*
+ * Internal Enums
+ */
+
+enum ltc_oid_id {
+ PKA_RSA,
+ PKA_DSA,
+ PKA_EC,
+ PKA_EC_PRIMEF,
+ PKA_X25519,
+ PKA_ED25519,
+};
+
+/*
+ * Internal Types
+ */
+
+typedef struct {
+ int size;
+ const char *name, *base, *prime;
+} ltc_dh_set_type;
+
+
+typedef int (*fn_kdf_t)(const unsigned char *password, unsigned long password_len,
+ const unsigned char *salt, unsigned long salt_len,
+ int iteration_count, int hash_idx,
+ unsigned char *out, unsigned long *outlen);
+
+typedef struct {
+ /* KDF */
+ fn_kdf_t kdf;
+ /* Hash or HMAC */
+ const char* h;
+ /* cipher */
+ const char* c;
+ unsigned long keylen;
+ /* not used for pbkdf2 */
+ unsigned long blocklen;
+} pbes_properties;
+
+typedef struct
+{
+ pbes_properties type;
+ const void *pwd;
+ unsigned long pwdlen;
+ ltc_asn1_list *enc_data;
+ ltc_asn1_list *salt;
+ ltc_asn1_list *iv;
+ unsigned long iterations;
+ /* only used for RC2 */
+ unsigned long key_bits;
+} pbes_arg;
+
+/*
+ * Internal functions
+ */
+
+
+/* tomcrypt_cipher.h */
+
+void blowfish_enc(ulong32 *data, unsigned long blocks, const symmetric_key *skey);
+int blowfish_expand(const unsigned char *key, int keylen,
+ const unsigned char *data, int datalen,
+ symmetric_key *skey);
+int blowfish_setup_with_data(const unsigned char *key, int keylen,
+ const unsigned char *data, int datalen,
+ symmetric_key *skey);
+
+/* tomcrypt_hash.h */
+
+/* a simple macro for making hash "process" functions */
+#define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
+int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
+{ \
+ unsigned long n; \
+ int err; \
+ LTC_ARGCHK(md != NULL); \
+ LTC_ARGCHK(in != NULL); \
+ if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
+ return CRYPT_INVALID_ARG; \
+ } \
+ if ((md-> state_var .length + inlen) < md-> state_var .length) { \
+ return CRYPT_HASH_OVERFLOW; \
+ } \
+ while (inlen > 0) { \
+ if (md-> state_var .curlen == 0 && inlen >= block_size) { \
+ if ((err = compress_name (md, in)) != CRYPT_OK) { \
+ return err; \
+ } \
+ md-> state_var .length += block_size * 8; \
+ in += block_size; \
+ inlen -= block_size; \
+ } else { \
+ n = MIN(inlen, (block_size - md-> state_var .curlen)); \
+ XMEMCPY(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
+ md-> state_var .curlen += n; \
+ in += n; \
+ inlen -= n; \
+ if (md-> state_var .curlen == block_size) { \
+ if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \
+ return err; \
+ } \
+ md-> state_var .length += 8*block_size; \
+ md-> state_var .curlen = 0; \
+ } \
+ } \
+ } \
+ return CRYPT_OK; \
+}
+
+
+/* tomcrypt_mac.h */
+
+int ocb3_int_ntz(unsigned long x);
+void ocb3_int_xor_blocks(unsigned char *out, const unsigned char *block_a, const unsigned char *block_b, unsigned long block_len);
+
+
+/* tomcrypt_math.h */
+
+#if !defined(DESC_DEF_ONLY)
+
+#define MP_DIGIT_BIT ltc_mp.bits_per_digit
+
+/* some handy macros */
+#define mp_init(a) ltc_mp.init(a)
+#define mp_init_multi ltc_init_multi
+#define mp_clear(a) ltc_mp.deinit(a)
+#define mp_clear_multi ltc_deinit_multi
+#define mp_cleanup_multi ltc_cleanup_multi
+#define mp_init_copy(a, b) ltc_mp.init_copy(a, b)
+
+#define mp_neg(a, b) ltc_mp.neg(a, b)
+#define mp_copy(a, b) ltc_mp.copy(a, b)
+
+#define mp_set(a, b) ltc_mp.set_int(a, b)
+#define mp_set_int(a, b) ltc_mp.set_int(a, b)
+#define mp_get_int(a) ltc_mp.get_int(a)
+#define mp_get_digit(a, n) ltc_mp.get_digit(a, n)
+#define mp_get_digit_count(a) ltc_mp.get_digit_count(a)
+#define mp_cmp(a, b) ltc_mp.compare(a, b)
+#define mp_cmp_d(a, b) ltc_mp.compare_d(a, b)
+#define mp_count_bits(a) ltc_mp.count_bits(a)
+#define mp_cnt_lsb(a) ltc_mp.count_lsb_bits(a)
+#define mp_2expt(a, b) ltc_mp.twoexpt(a, b)
+
+#define mp_read_radix(a, b, c) ltc_mp.read_radix(a, b, c)
+#define mp_toradix(a, b, c) ltc_mp.write_radix(a, b, c)
+#define mp_unsigned_bin_size(a) ltc_mp.unsigned_size(a)
+#define mp_to_unsigned_bin(a, b) ltc_mp.unsigned_write(a, b)
+#define mp_read_unsigned_bin(a, b, c) ltc_mp.unsigned_read(a, b, c)
+
+#define mp_add(a, b, c) ltc_mp.add(a, b, c)
+#define mp_add_d(a, b, c) ltc_mp.addi(a, b, c)
+#define mp_sub(a, b, c) ltc_mp.sub(a, b, c)
+#define mp_sub_d(a, b, c) ltc_mp.subi(a, b, c)
+#define mp_mul(a, b, c) ltc_mp.mul(a, b, c)
+#define mp_mul_d(a, b, c) ltc_mp.muli(a, b, c)
+#define mp_sqr(a, b) ltc_mp.sqr(a, b)
+#define mp_sqrtmod_prime(a, b, c) ltc_mp.sqrtmod_prime(a, b, c)
+#define mp_div(a, b, c, d) ltc_mp.mpdiv(a, b, c, d)
+#define mp_div_2(a, b) ltc_mp.div_2(a, b)
+#define mp_mod(a, b, c) ltc_mp.mpdiv(a, b, NULL, c)
+#define mp_mod_d(a, b, c) ltc_mp.modi(a, b, c)
+#define mp_gcd(a, b, c) ltc_mp.gcd(a, b, c)
+#define mp_lcm(a, b, c) ltc_mp.lcm(a, b, c)
+
+#define mp_addmod(a, b, c, d) ltc_mp.addmod(a, b, c, d)
+#define mp_submod(a, b, c, d) ltc_mp.submod(a, b, c, d)
+#define mp_mulmod(a, b, c, d) ltc_mp.mulmod(a, b, c, d)
+#define mp_sqrmod(a, b, c) ltc_mp.sqrmod(a, b, c)
+#define mp_invmod(a, b, c) ltc_mp.invmod(a, b, c)
+
+#define mp_montgomery_setup(a, b) ltc_mp.montgomery_setup(a, b)
+#define mp_montgomery_normalization(a, b) ltc_mp.montgomery_normalization(a, b)
+#define mp_montgomery_reduce(a, b, c) ltc_mp.montgomery_reduce(a, b, c)
+#define mp_montgomery_free(a) ltc_mp.montgomery_deinit(a)
+
+#define mp_exptmod(a,b,c,d) ltc_mp.exptmod(a,b,c,d)
+#define mp_prime_is_prime(a, b, c) ltc_mp.isprime(a, b, c)
+
+#define mp_iszero(a) (mp_cmp_d(a, 0) == LTC_MP_EQ ? LTC_MP_YES : LTC_MP_NO)
+#define mp_isodd(a) (mp_get_digit_count(a) > 0 ? (mp_get_digit(a, 0) & 1 ? LTC_MP_YES : LTC_MP_NO) : LTC_MP_NO)
+#define mp_exch(a, b) do { void *ABC__tmp = a; a = b; b = ABC__tmp; } while(0)
+
+#define mp_tohex(a, b) mp_toradix(a, b, 16)
+
+#define mp_rand(a, b) ltc_mp.rand(a, b)
+
+#endif
+
+
+/* tomcrypt_misc.h */
+
+void copy_or_zeromem(const unsigned char* src, unsigned char* dest, unsigned long len, int coz);
+
+int pbes_decrypt(const pbes_arg *arg, unsigned char *dec_data, unsigned long *dec_size);
+
+int pbes1_extract(const ltc_asn1_list *s, pbes_arg *res);
+int pbes2_extract(const ltc_asn1_list *s, pbes_arg *res);
+
+
+/* tomcrypt_pk.h */
+
+int rand_bn_bits(void *N, int bits, prng_state *prng, int wprng);
+int rand_bn_upto(void *N, void *limit, prng_state *prng, int wprng);
+
+int pk_get_oid(enum ltc_oid_id id, const char **st);
+int pk_oid_str_to_num(const char *OID, unsigned long *oid, unsigned long *oidlen);
+int pk_oid_num_to_str(const unsigned long *oid, unsigned long oidlen, char *OID, unsigned long *outlen);
+
+/* ---- DH Routines ---- */
+#ifdef LTC_MRSA
+int rsa_init(rsa_key *key);
+void rsa_shrink_key(rsa_key *key);
+#endif /* LTC_MRSA */
+
+/* ---- DH Routines ---- */
+#ifdef LTC_MDH
+extern const ltc_dh_set_type ltc_dh_sets[];
+
+int dh_check_pubkey(const dh_key *key);
+#endif /* LTC_MDH */
+
+/* ---- ECC Routines ---- */
+#ifdef LTC_MECC
+int ecc_set_curve_from_mpis(void *a, void *b, void *prime, void *order, void *gx, void *gy, unsigned long cofactor, ecc_key *key);
+int ecc_copy_curve(const ecc_key *srckey, ecc_key *key);
+int ecc_set_curve_by_size(int size, ecc_key *key);
+int ecc_import_subject_public_key_info(const unsigned char *in, unsigned long inlen, ecc_key *key);
+
+#ifdef LTC_SSH
+int ecc_ssh_ecdsa_encode_name(char *buffer, unsigned long *buflen, const ecc_key *key);
+#endif
+
+/* low level functions */
+ecc_point *ltc_ecc_new_point(void);
+void ltc_ecc_del_point(ecc_point *p);
+int ltc_ecc_set_point_xyz(ltc_mp_digit x, ltc_mp_digit y, ltc_mp_digit z, ecc_point *p);
+int ltc_ecc_copy_point(const ecc_point *src, ecc_point *dst);
+int ltc_ecc_is_point(const ltc_ecc_dp *dp, void *x, void *y);
+int ltc_ecc_is_point_at_infinity(const ecc_point *P, void *modulus, int *retval);
+int ltc_ecc_import_point(const unsigned char *in, unsigned long inlen, void *prime, void *a, void *b, void *x, void *y);
+int ltc_ecc_export_point(unsigned char *out, unsigned long *outlen, void *x, void *y, unsigned long size, int compressed);
+int ltc_ecc_verify_key(const ecc_key *key);
+
+/* point ops (mp == montgomery digit) */
+#if !defined(LTC_MECC_ACCEL) || defined(LTM_DESC) || defined(GMP_DESC)
+/* R = 2P */
+int ltc_ecc_projective_dbl_point(const ecc_point *P, ecc_point *R, void *ma, void *modulus, void *mp);
+
+/* R = P + Q */
+int ltc_ecc_projective_add_point(const ecc_point *P, const ecc_point *Q, ecc_point *R, void *ma, void *modulus, void *mp);
+#endif
+
+#if defined(LTC_MECC_FP)
+/* optimized point multiplication using fixed point cache (HAC algorithm 14.117) */
+int ltc_ecc_fp_mulmod(void *k, ecc_point *G, ecc_point *R, void *a, void *modulus, int map);
+
+/* functions for saving/loading/freeing/adding to fixed point cache */
+int ltc_ecc_fp_save_state(unsigned char **out, unsigned long *outlen);
+int ltc_ecc_fp_restore_state(unsigned char *in, unsigned long inlen);
+void ltc_ecc_fp_free(void);
+int ltc_ecc_fp_add_point(ecc_point *g, void *modulus, int lock);
+
+/* lock/unlock all points currently in fixed point cache */
+void ltc_ecc_fp_tablelock(int lock);
+#endif
+
+/* R = kG */
+int ltc_ecc_mulmod(void *k, const ecc_point *G, ecc_point *R, void *a, void *modulus, int map);
+
+#ifdef LTC_ECC_SHAMIR
+/* kA*A + kB*B = C */
+int ltc_ecc_mul2add(const ecc_point *A, void *kA,
+ const ecc_point *B, void *kB,
+ ecc_point *C,
+ void *ma,
+ void *modulus);
+
+#ifdef LTC_MECC_FP
+/* Shamir's trick with optimized point multiplication using fixed point cache */
+int ltc_ecc_fp_mul2add(const ecc_point *A, void *kA,
+ const ecc_point *B, void *kB,
+ ecc_point *C,
+ void *ma,
+ void *modulus);
+#endif
+
+#endif
+
+
+/* map P to affine from projective */
+int ltc_ecc_map(ecc_point *P, void *modulus, void *mp);
+#endif /* LTC_MECC */
+
+#ifdef LTC_MDSA
+int dsa_int_validate_xy(const dsa_key *key, int *stat);
+int dsa_int_validate_pqg(const dsa_key *key, int *stat);
+int dsa_int_validate_primes(const dsa_key *key, int *stat);
+#endif /* LTC_MDSA */
+
+
+#ifdef LTC_CURVE25519
+
+int tweetnacl_crypto_sign(
+ unsigned char *sm,unsigned long long *smlen,
+ const unsigned char *m,unsigned long long mlen,
+ const unsigned char *sk, const unsigned char *pk);
+int tweetnacl_crypto_sign_open(
+ int *stat,
+ unsigned char *m,unsigned long long *mlen,
+ const unsigned char *sm,unsigned long long smlen,
+ const unsigned char *pk);
+int tweetnacl_crypto_sign_keypair(prng_state *prng, int wprng, unsigned char *pk,unsigned char *sk);
+int tweetnacl_crypto_sk_to_pk(unsigned char *pk, const unsigned char *sk);
+int tweetnacl_crypto_scalarmult(unsigned char *q, const unsigned char *n, const unsigned char *p);
+int tweetnacl_crypto_scalarmult_base(unsigned char *q,const unsigned char *n);
+
+typedef int (*sk_to_pk)(unsigned char *pk ,const unsigned char *sk);
+int ec25519_import_pkcs8(const unsigned char *in, unsigned long inlen,
+ const void *pwd, unsigned long pwdlen,
+ enum ltc_oid_id id, sk_to_pk fp,
+ curve25519_key *key);
+int ec25519_export( unsigned char *out, unsigned long *outlen,
+ int which,
+ const curve25519_key *key);
+#endif /* LTC_CURVE25519 */
+
+#ifdef LTC_DER
+
+#define LTC_ASN1_IS_TYPE(e, t) (((e) != NULL) && ((e)->type == (t)))
+
+/* DER handling */
+int der_decode_custom_type_ex(const unsigned char *in, unsigned long inlen,
+ ltc_asn1_list *root,
+ ltc_asn1_list *list, unsigned long outlen, unsigned int flags);
+
+int der_encode_asn1_identifier(const ltc_asn1_list *id, unsigned char *out, unsigned long *outlen);
+int der_decode_asn1_identifier(const unsigned char *in, unsigned long *inlen, ltc_asn1_list *id);
+int der_length_asn1_identifier(const ltc_asn1_list *id, unsigned long *idlen);
+
+int der_encode_asn1_length(unsigned long len, unsigned char* out, unsigned long* outlen);
+int der_decode_asn1_length(const unsigned char *in, unsigned long *inlen, unsigned long *outlen);
+int der_length_asn1_length(unsigned long len, unsigned long *outlen);
+
+int der_length_sequence_ex(const ltc_asn1_list *list, unsigned long inlen,
+ unsigned long *outlen, unsigned long *payloadlen);
+
+extern const ltc_asn1_type der_asn1_tag_to_type_map[];
+extern const unsigned long der_asn1_tag_to_type_map_sz;
+
+extern const int der_asn1_type_to_identifier_map[];
+extern const unsigned long der_asn1_type_to_identifier_map_sz;
+
+int der_decode_sequence_multi_ex(const unsigned char *in, unsigned long inlen, unsigned int flags, ...);
+
+int der_teletex_char_encode(int c);
+int der_teletex_value_decode(int v);
+
+int der_utf8_valid_char(const wchar_t c);
+
+typedef int (*public_key_decode_cb)(const unsigned char *in, unsigned long inlen, void *ctx);
+
+int x509_decode_public_key_from_certificate(const unsigned char *in, unsigned long inlen,
+ enum ltc_oid_id algorithm, ltc_asn1_type param_type,
+ ltc_asn1_list* parameters, unsigned long *parameters_len,
+ public_key_decode_cb callback, void *ctx);
+
+/* SUBJECT PUBLIC KEY INFO */
+int x509_encode_subject_public_key_info(unsigned char *out, unsigned long *outlen,
+ unsigned int algorithm, const void* public_key, unsigned long public_key_len,
+ ltc_asn1_type parameters_type, ltc_asn1_list* parameters, unsigned long parameters_len);
+
+int x509_decode_subject_public_key_info(const unsigned char *in, unsigned long inlen,
+ unsigned int algorithm, void* public_key, unsigned long* public_key_len,
+ ltc_asn1_type parameters_type, ltc_asn1_list* parameters, unsigned long *parameters_len);
+
+int pk_oid_cmp_with_ulong(const char *o1, const unsigned long *o2, unsigned long o2size);
+int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2);
+
+#endif /* LTC_DER */
+
+/* tomcrypt_pkcs.h */
+
+#ifdef LTC_PKCS_8
+
+int pkcs8_decode_flexi(const unsigned char *in, unsigned long inlen,
+ const void *pwd, unsigned long pwdlen,
+ ltc_asn1_list **decoded_list);
+
+#endif /* LTC_PKCS_8 */
+
+
+#ifdef LTC_PKCS_12
+
+int pkcs12_utf8_to_utf16(const unsigned char *in, unsigned long inlen,
+ unsigned char *out, unsigned long *outlen);
+
+int pkcs12_kdf( int hash_id,
+ const unsigned char *pw, unsigned long pwlen,
+ const unsigned char *salt, unsigned long saltlen,
+ unsigned int iterations, unsigned char purpose,
+ unsigned char *out, unsigned long outlen);
+
+#endif /* LTC_PKCS_12 */
+
+/* tomcrypt_prng.h */
+
+#define LTC_PRNG_EXPORT(which) \
+int which ## _export(unsigned char *out, unsigned long *outlen, prng_state *prng) \
+{ \
+ unsigned long len = which ## _desc.export_size; \
+ \
+ LTC_ARGCHK(prng != NULL); \
+ LTC_ARGCHK(out != NULL); \
+ LTC_ARGCHK(outlen != NULL); \
+ \
+ if (*outlen < len) { \
+ *outlen = len; \
+ return CRYPT_BUFFER_OVERFLOW; \
+ } \
+ \
+ if (which ## _read(out, len, prng) != len) { \
+ return CRYPT_ERROR_READPRNG; \
+ } \
+ \
+ *outlen = len; \
+ return CRYPT_OK; \
+}
+
+/* extract a byte portably */
+#ifdef _MSC_VER
+ #define LTC_BYTE(x, n) ((unsigned char)((x) >> (8 * (n))))
+#else
+ #define LTC_BYTE(x, n) (((x) >> (8 * (n))) & 255)
+#endif