scip/pcp
1
0
Fork 0
mirror of https://codeberg.org/scip/pcp.git synced 2025-12-17 03:50:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

re-implemented signature system to match the standard (orinal input, including sig for full sig; or 32k blockwise hash of input and sig from hash attached to original input without the hash), verify_buffered currently not implemented, armored sig only for output.

Browse Source
This commit is contained in:
git@daemon.de
2014-01-23 15:40:06 +01:00
parent f09d4774cb
commit c717c060ec
12 changed files with 161 additions and 319 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/pcp/defines.h
View File

@@ -40,8 +40,9 @@ typedef unsigned int qbyte; // Quad byte = 32 bits
#define PCP_ZFILE_HEADER "----- BEGIN Z85 ENCODED FILE -----"
#define PCP_ZFILE_FOOTER "------ END Z85 ENCODED FILE ------"
#define PCP_SIG_HEADER "----- BEGIN PCP SIGNATURE FILE -----"
#define PCP_SIG_FOOTER "------ END PCP SIGNATURE FILE ------"
#define PCP_SIG_HEADER "----- BEGIN PCP SIGNED MESSAGE -----"
#define PCP_SIG_START "----- BEGIN PCP SIGNATURE -----"
#define PCP_SIG_END "------ END PCP SIGNATURE ------"
#define PCP_ME "Pretty Curved Privacy"

33
include/pcp/ed.h
View File

@@ -19,6 +19,10 @@
You can contact me by mail: <tlinden AT cpan DOT org>.
*/
/*
ED25519 signatures. Currently unbuffered
*/
#ifndef _HAVE_PCP_ED_H
#define _HAVE_PCP_ED_H
@@ -32,24 +36,19 @@
#include "mem.h"
#include "key.h"
struct _pcp_sig_t {
byte edsig[crypto_sign_BYTES];
char id[17];
uint64_t ctime;
uint32_t version;
};
/* sign a message of messagesize using s->edsecret, if it works
return message+signature (size: messagesize + crypto_sign_BYTES),
returns NULL otherwise */
unsigned char *pcp_ed_sign(unsigned char *message, size_t messagesize, pcp_key_t *s);
typedef struct _pcp_sig_t pcp_sig_t;
/* verify a signature of siglen size using p->edpub, if the signature verifies
return the raw message with the signature removed (size: siglen - crypto_sign_BYTES),
returns NULL otherwise */
unsigned char * pcp_ed_verify(unsigned char *signature, size_t siglen, pcp_pubkey_t *p);
int pcp_ed_verify(unsigned char *input, size_t inputlen,
pcp_sig_t *sig, pcp_pubkey_t *p);
pcp_sig_t *pcp_ed_sign(unsigned char *message,
size_t messagesize, pcp_key_t *s);
pcp_sig_t *sig2native(pcp_sig_t *k);
pcp_sig_t *sig2be(pcp_sig_t *k);
pcp_sig_t *pcp_ed_newsig(unsigned char *hash, char *id);
/* same as pcp_ed_sign() but work on i/o directly, we're making a hash
of the input 32k-wise, copy in=>out, sign the hash and append the
sig only to the output */
size_t pcp_ed_sign_buffered(FILE *in, FILE *out, pcp_key_t *s, int z85);
#endif // _HAVE_PCP_ED_H