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bugfix in encryption key computing, added new feature: derived public keys

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TLINDEN
2013-11-02 11:02:36 +01:00
parent c93f9c6cdd
commit bf5556e1ec
29 changed files with 514 additions and 242 deletions
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36
include/pcp.h
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@@ -170,6 +170,23 @@ unsigned char * pcp_gennonce();
void pcpedit_key(char *keyid);
// proprietary key derivation function. derives an
// secure encryption key from the given passphrase by
// calculating a SALSA20 hash from it HCYCLES times.
//
// turns the result into a proper CURVE25519 secret
// key. allocates memory for key and it is up to the
// user to free it after use.
//
// deprecation warning: maybe removed once the libsodium
// developers incorporated some key derivation function
// into libsodium. so far, there's none but word goes
// that perhaps something like scrypt() from the star
// distribution may be added in the future.
unsigned char *pcp_derivekey(char *passphrase);
pcp_key_t *pcp_derive_pcpkey (pcp_key_t *ours, char *theirs);
#ifdef __cplusplus
}
#endif
@@ -218,25 +235,8 @@ int pcp_sodium_verify_mac(unsigned char **cleartext,
unsigned char *nonce,
unsigned char *key);
// generate a nonce from random source arc4random().
// allocates memory for the returned nonce and
// it is up to the user to free it after use.
void pcp_makenonce(unsigned char **nonce);
// proprietary key derivation function. derives an
// secure encryption key from the given passphrase by
// calculating a SALSA20 hash from it HCYCLES times.
//
// turns the result into a proper CURVE25519 secret
// key. allocates memory for key and it is up to the
// user to free it after use.
//
// deprecation warning: maybe removed once the libsodium
// developers incorporated some key derivation function
// into libsodium. so far, there's none but word goes
// that perhaps something like scrypt() from the star
// distribution may be added in the future.
unsigned char *pcp_derivekey(char *passphrase);
// +++ from libpcp/mem.h: +++