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20d27992a9
(Logical change 1.69) git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@250 fd59a12c-fef9-0310-b244-a6a79926bd2f
133 lines
4.9 KiB
C
133 lines
4.9 KiB
C
#ifndef CRYPTO_H_DEFINED
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#define CRYPTO_H_DEFINED
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#define DIGEST_SHA1 0
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#define PRNG_SOBER 0
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enum {
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CRYPT_OK=0, /* Result OK */
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CRYPT_ERROR, /* Generic Error */
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CRYPT_NOP, /* Not a failure but no operation was performed */
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CRYPT_INVALID_KEYSIZE, /* Invalid key size given */
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CRYPT_INVALID_ROUNDS, /* Invalid number of rounds */
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CRYPT_FAIL_TESTVECTOR, /* Algorithm failed test vectors */
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CRYPT_BUFFER_OVERFLOW, /* Not enough space for output */
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CRYPT_INVALID_PACKET, /* Invalid input packet given */
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CRYPT_INVALID_PRNGSIZE, /* Invalid number of bits for a PRNG */
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CRYPT_ERROR_READPRNG, /* Could not read enough from PRNG */
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CRYPT_INVALID_CIPHER, /* Invalid cipher specified */
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CRYPT_INVALID_HASH, /* Invalid hash specified */
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CRYPT_INVALID_PRNG, /* Invalid PRNG specified */
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CRYPT_MEM, /* Out of memory */
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CRYPT_PK_TYPE_MISMATCH, /* Not equivalent types of PK keys */
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CRYPT_PK_NOT_PRIVATE, /* Requires a private PK key */
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CRYPT_INVALID_ARG, /* Generic invalid argument */
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CRYPT_FILE_NOTFOUND, /* File Not Found */
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CRYPT_PK_INVALID_TYPE, /* Invalid type of PK key */
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CRYPT_PK_INVALID_SYSTEM,/* Invalid PK system specified */
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CRYPT_PK_DUP, /* Duplicate key already in key ring */
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CRYPT_PK_NOT_FOUND, /* Key not found in keyring */
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CRYPT_PK_INVALID_SIZE, /* Invalid size input for PK parameters */
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CRYPT_INVALID_PRIME_SIZE/* Invalid size of prime requested */
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};
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struct sha1_state {
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unsigned long long length;
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unsigned long state[5], curlen;
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unsigned char buf[64];
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};
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typedef union Hash_state {
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struct sha1_state sha1;
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} hash_state;
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struct _hash_descriptor {
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char *name;
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unsigned char ID;
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unsigned long hashsize; /* digest output size in bytes */
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unsigned long blocksize; /* the block size the hash uses */
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unsigned char DER[64]; /* DER encoded identifier */
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unsigned long DERlen; /* length of DER encoding */
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void (*init)(hash_state *);
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int (*process)(hash_state *, const unsigned char *, unsigned long);
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int (*done)(hash_state *, unsigned char *);
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int (*test)(void);
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};
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extern const struct _hash_descriptor *hash_descriptor[];
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void sha1_init(hash_state * md);
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int sha1_process(hash_state * md, const unsigned char *buf, unsigned long len);
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int sha1_done(hash_state * md, unsigned char *hash);
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int sha1_test(void);
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int hash_memory(int hash, const unsigned char *data, unsigned long len, unsigned char *dst, unsigned long *outlen);
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#define MAXBLOCKSIZE 128
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typedef struct Hmac_state {
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hash_state md;
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int hash;
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hash_state hashstate;
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unsigned char key[MAXBLOCKSIZE];
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} hmac_state;
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int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
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int hmac_process(hmac_state *hmac, const unsigned char *buf, unsigned long len);
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int hmac_done(hmac_state *hmac, unsigned char *hashOut, unsigned long *outlen);
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int hmac_test(void);
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int hmac_memory(int hash, const unsigned char *key, unsigned long keylen,
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const unsigned char *data, unsigned long len,
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unsigned char *dst, unsigned long *dstlen);
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struct sober128_prng {
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unsigned long R[17], /* Working storage for the shift register */
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initR[17], /* saved register contents */
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konst, /* key dependent constant */
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sbuf; /* partial word encryption buffer */
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int nbuf, /* number of part-word stream bits buffered */
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flag, /* first add_entropy call or not? */
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set; /* did we call add_entropy to set key? */
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};
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typedef union Prng_state {
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struct sober128_prng sober128;
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} prng_state;
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struct _prng_descriptor {
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char *name;
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int export_size; /* size in bytes of exported state */
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int (*start)(prng_state *);
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int (*add_entropy)(const unsigned char *, unsigned long, prng_state *);
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int (*ready)(prng_state *);
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unsigned long (*read)(unsigned char *, unsigned long, prng_state *);
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};
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extern const struct _prng_descriptor *prng_descriptor[];
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int sober128_start(prng_state *prng);
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int sober128_add_entropy(const unsigned char *buf, unsigned long len, prng_state *prng);
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int sober128_ready(prng_state *prng);
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unsigned long sober128_read(unsigned char *buf, unsigned long len, prng_state *prng);
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int sober128_done(prng_state *prng);
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int sober128_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
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int sober128_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
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int sober128_test(void);
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unsigned long rng_get_bytes(unsigned char *buf,
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unsigned long len,
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void (*callback)(void));
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int rng_make_prng(int bits, int wprng, prng_state *prng, void (*callback)(void));
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#endif /* CRYPTO_H_DEFINED */
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