Import sources from 2011-03-30 iso image - sys/include
This commit is contained in:
Taru Karttunen
parent
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commit
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105 changed files with 11410 additions and 0 deletions
402
sys/include/libsec.h
Executable file
402
sys/include/libsec.h
Executable file
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#pragma lib "libsec.a"
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#pragma src "/sys/src/libsec"
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#ifndef _MPINT
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typedef struct mpint mpint;
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#endif
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/*
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* AES definitions
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*/
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enum
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{
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AESbsize= 16,
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AESmaxkey= 32,
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AESmaxrounds= 14
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};
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typedef struct AESstate AESstate;
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struct AESstate
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{
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ulong setup;
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int rounds;
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int keybytes;
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uint ctrsz;
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uchar key[AESmaxkey]; /* unexpanded key */
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ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
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ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
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uchar ivec[AESbsize]; /* initialization vector */
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uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
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};
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/* block ciphers */
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void aes_encrypt(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
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void aes_decrypt(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
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void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec);
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void aesCBCencrypt(uchar *p, int len, AESstate *s);
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void aesCBCdecrypt(uchar *p, int len, AESstate *s);
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void aesCTRdecrypt(uchar *p, int len, AESstate *s);
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void aesCTRencrypt(uchar *p, int len, AESstate *s);
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void setupAESXCBCstate(AESstate *s);
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uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
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/*
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* Blowfish Definitions
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*/
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enum
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{
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BFbsize = 8,
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BFrounds= 16
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};
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/* 16-round Blowfish */
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typedef struct BFstate BFstate;
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struct BFstate
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{
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ulong setup;
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uchar key[56];
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uchar ivec[8];
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u32int pbox[BFrounds+2];
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u32int sbox[1024];
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};
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void setupBFstate(BFstate *s, uchar key[], int keybytes, uchar *ivec);
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void bfCBCencrypt(uchar*, int, BFstate*);
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void bfCBCdecrypt(uchar*, int, BFstate*);
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void bfECBencrypt(uchar*, int, BFstate*);
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void bfECBdecrypt(uchar*, int, BFstate*);
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/*
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* DES definitions
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*/
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enum
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{
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DESbsize= 8
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};
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/* single des */
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typedef struct DESstate DESstate;
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struct DESstate
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{
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ulong setup;
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uchar key[8]; /* unexpanded key */
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ulong expanded[32]; /* expanded key */
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uchar ivec[8]; /* initialization vector */
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};
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void setupDESstate(DESstate *s, uchar key[8], uchar *ivec);
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void des_key_setup(uchar[8], ulong[32]);
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void block_cipher(ulong*, uchar*, int);
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void desCBCencrypt(uchar*, int, DESstate*);
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void desCBCdecrypt(uchar*, int, DESstate*);
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void desECBencrypt(uchar*, int, DESstate*);
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void desECBdecrypt(uchar*, int, DESstate*);
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/* for backward compatibility with 7-byte DES key format */
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void des56to64(uchar *k56, uchar *k64);
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void des64to56(uchar *k64, uchar *k56);
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void key_setup(uchar[7], ulong[32]);
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/* triple des encrypt/decrypt orderings */
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enum {
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DES3E= 0,
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DES3D= 1,
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DES3EEE= 0,
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DES3EDE= 2,
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DES3DED= 5,
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DES3DDD= 7
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};
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typedef struct DES3state DES3state;
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struct DES3state
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{
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ulong setup;
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uchar key[3][8]; /* unexpanded key */
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ulong expanded[3][32]; /* expanded key */
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uchar ivec[8]; /* initialization vector */
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};
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void setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec);
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void triple_block_cipher(ulong keys[3][32], uchar*, int);
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void des3CBCencrypt(uchar*, int, DES3state*);
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void des3CBCdecrypt(uchar*, int, DES3state*);
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void des3ECBencrypt(uchar*, int, DES3state*);
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void des3ECBdecrypt(uchar*, int, DES3state*);
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/*
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* digests
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*/
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enum
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{
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SHA1dlen= 20, /* SHA digest length */
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SHA2_224dlen= 28, /* SHA-224 digest length */
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SHA2_256dlen= 32, /* SHA-256 digest length */
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SHA2_384dlen= 48, /* SHA-384 digest length */
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SHA2_512dlen= 64, /* SHA-512 digest length */
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MD4dlen= 16, /* MD4 digest length */
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MD5dlen= 16, /* MD5 digest length */
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AESdlen= 16, /* TODO: see rfc */
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Hmacblksz = 64, /* in bytes; from rfc2104 */
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};
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typedef struct DigestState DigestState;
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struct DigestState
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{
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uvlong len;
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union {
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u32int state[8];
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u64int bstate[8];
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};
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uchar buf[256];
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int blen;
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char malloced;
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char seeded;
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};
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typedef struct DigestState SHAstate; /* obsolete name */
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typedef struct DigestState SHA1state;
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typedef struct DigestState SHA2_224state;
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typedef struct DigestState SHA2_256state;
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typedef struct DigestState SHA2_384state;
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typedef struct DigestState SHA2_512state;
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typedef struct DigestState MD5state;
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typedef struct DigestState MD4state;
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typedef struct DigestState AEShstate;
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DigestState* md4(uchar*, ulong, uchar*, DigestState*);
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DigestState* md5(uchar*, ulong, uchar*, DigestState*);
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DigestState* sha1(uchar*, ulong, uchar*, DigestState*);
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DigestState* sha2_224(uchar*, ulong, uchar*, DigestState*);
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DigestState* sha2_256(uchar*, ulong, uchar*, DigestState*);
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DigestState* sha2_384(uchar*, ulong, uchar*, DigestState*);
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DigestState* sha2_512(uchar*, ulong, uchar*, DigestState*);
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DigestState* aes(uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_x(uchar *p, ulong len, uchar *key, ulong klen,
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uchar *digest, DigestState *s,
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DigestState*(*x)(uchar*, ulong, uchar*, DigestState*),
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int xlen);
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DigestState* hmac_md5(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_sha1(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_sha2_224(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_sha2_256(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_sha2_384(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_sha2_512(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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DigestState* hmac_aes(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
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char* md5pickle(MD5state*);
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MD5state* md5unpickle(char*);
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char* sha1pickle(SHA1state*);
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SHA1state* sha1unpickle(char*);
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/*
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* random number generation
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*/
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void genrandom(uchar *buf, int nbytes);
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void prng(uchar *buf, int nbytes);
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ulong fastrand(void);
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ulong nfastrand(ulong);
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/*
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* primes
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*/
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void genprime(mpint *p, int n, int accuracy); /* generate n-bit probable prime */
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void gensafeprime(mpint *p, mpint *alpha, int n, int accuracy); /* prime & generator */
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void genstrongprime(mpint *p, int n, int accuracy); /* generate n-bit strong prime */
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void DSAprimes(mpint *q, mpint *p, uchar seed[SHA1dlen]);
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int probably_prime(mpint *n, int nrep); /* miller-rabin test */
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int smallprimetest(mpint *p); /* returns -1 if not prime, 0 otherwise */
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/*
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* rc4
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*/
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typedef struct RC4state RC4state;
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struct RC4state
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{
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uchar state[256];
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uchar x;
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uchar y;
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};
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void setupRC4state(RC4state*, uchar*, int);
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void rc4(RC4state*, uchar*, int);
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void rc4skip(RC4state*, int);
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void rc4back(RC4state*, int);
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/*
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* rsa
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*/
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typedef struct RSApub RSApub;
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typedef struct RSApriv RSApriv;
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typedef struct PEMChain PEMChain;
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/* public/encryption key */
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struct RSApub
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{
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mpint *n; /* modulus */
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mpint *ek; /* exp (encryption key) */
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};
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/* private/decryption key */
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struct RSApriv
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{
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RSApub pub;
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mpint *dk; /* exp (decryption key) */
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/* precomputed values to help with chinese remainder theorem calc */
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mpint *p;
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mpint *q;
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mpint *kp; /* dk mod p-1 */
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mpint *kq; /* dk mod q-1 */
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mpint *c2; /* (inv p) mod q */
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};
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struct PEMChain{
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PEMChain*next;
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uchar *pem;
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int pemlen;
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};
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RSApriv* rsagen(int nlen, int elen, int rounds);
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RSApriv* rsafill(mpint *n, mpint *e, mpint *d, mpint *p, mpint *q);
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mpint* rsaencrypt(RSApub *k, mpint *in, mpint *out);
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mpint* rsadecrypt(RSApriv *k, mpint *in, mpint *out);
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RSApub* rsapuballoc(void);
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void rsapubfree(RSApub*);
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RSApriv* rsaprivalloc(void);
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void rsaprivfree(RSApriv*);
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RSApub* rsaprivtopub(RSApriv*);
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RSApub* X509toRSApub(uchar*, int, char*, int);
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RSApriv* asn1toRSApriv(uchar*, int);
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void asn1dump(uchar *der, int len);
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uchar* decodePEM(char *s, char *type, int *len, char **new_s);
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PEMChain* decodepemchain(char *s, char *type);
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uchar* X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
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uchar* X509req(RSApriv *priv, char *subj, int *certlen);
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char* X509verify(uchar *cert, int ncert, RSApub *pk);
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void X509dump(uchar *cert, int ncert);
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/*
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* elgamal
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*/
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typedef struct EGpub EGpub;
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typedef struct EGpriv EGpriv;
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typedef struct EGsig EGsig;
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/* public/encryption key */
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struct EGpub
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{
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mpint *p; /* modulus */
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mpint *alpha; /* generator */
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mpint *key; /* (encryption key) alpha**secret mod p */
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};
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/* private/decryption key */
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struct EGpriv
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{
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EGpub pub;
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mpint *secret; /* (decryption key) */
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};
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/* signature */
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struct EGsig
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{
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mpint *r, *s;
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};
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EGpriv* eggen(int nlen, int rounds);
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mpint* egencrypt(EGpub *k, mpint *in, mpint *out); /* deprecated */
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mpint* egdecrypt(EGpriv *k, mpint *in, mpint *out);
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EGsig* egsign(EGpriv *k, mpint *m);
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int egverify(EGpub *k, EGsig *sig, mpint *m);
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EGpub* egpuballoc(void);
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void egpubfree(EGpub*);
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EGpriv* egprivalloc(void);
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void egprivfree(EGpriv*);
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EGsig* egsigalloc(void);
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void egsigfree(EGsig*);
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EGpub* egprivtopub(EGpriv*);
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/*
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* dsa
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*/
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typedef struct DSApub DSApub;
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typedef struct DSApriv DSApriv;
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typedef struct DSAsig DSAsig;
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/* public/encryption key */
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struct DSApub
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{
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mpint *p; /* modulus */
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mpint *q; /* group order, q divides p-1 */
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mpint *alpha; /* group generator */
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mpint *key; /* (encryption key) alpha**secret mod p */
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};
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/* private/decryption key */
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struct DSApriv
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{
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DSApub pub;
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mpint *secret; /* (decryption key) */
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};
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/* signature */
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struct DSAsig
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{
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mpint *r, *s;
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};
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DSApriv* dsagen(DSApub *opub); /* opub not checked for consistency! */
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DSAsig* dsasign(DSApriv *k, mpint *m);
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int dsaverify(DSApub *k, DSAsig *sig, mpint *m);
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DSApub* dsapuballoc(void);
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void dsapubfree(DSApub*);
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DSApriv* dsaprivalloc(void);
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void dsaprivfree(DSApriv*);
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DSAsig* dsasigalloc(void);
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void dsasigfree(DSAsig*);
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DSApub* dsaprivtopub(DSApriv*);
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DSApriv* asn1toDSApriv(uchar*, int);
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/*
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* TLS
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*/
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typedef struct Thumbprint{
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struct Thumbprint *next;
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uchar sha1[SHA1dlen];
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} Thumbprint;
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typedef struct TLSconn{
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char dir[40]; /* connection directory */
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uchar *cert; /* certificate (local on input, remote on output) */
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uchar *sessionID;
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int certlen;
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int sessionIDlen;
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int (*trace)(char*fmt, ...);
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PEMChain*chain; /* optional extra certificate evidence for servers to present */
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char *sessionType;
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uchar *sessionKey;
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int sessionKeylen;
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char *sessionConst;
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} TLSconn;
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/* tlshand.c */
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int tlsClient(int fd, TLSconn *c);
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int tlsServer(int fd, TLSconn *c);
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/* thumb.c */
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Thumbprint* initThumbprints(char *ok, char *crl);
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void freeThumbprints(Thumbprint *ok);
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int okThumbprint(uchar *sha1, Thumbprint *ok);
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/* readcert.c */
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uchar *readcert(char *filename, int *pcertlen);
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PEMChain*readcertchain(char *filename);
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