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added pcp_ed_verify_buffered() [doesnt work yet, needs debugging]

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This commit is contained in:
TLINDEN
2014-01-23 23:36:57 +01:00
parent c717c060ec
commit 7b7aa6d395
5 changed files with 166 additions and 44 deletions
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7
include/pcp/defines.h
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@@ -40,9 +40,10 @@ 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 SIGNED MESSAGE -----"
#define PCP_SIG_START "----- BEGIN PCP SIGNATURE -----"
#define PCP_SIG_END "------ END PCP SIGNATURE ------"
#define PCP_SIG_HEADER "----- BEGIN ED25519 SIGNED MESSAGE -----"
#define PCP_SIG_START "----- BEGIN ED25519 SIGNATURE -----"
#define PCP_SIG_END "------ END ED25519 SIGNATURE ------"
#define PCP_SIGPREFIX "\nnacl-"
#define PCP_ME "Pretty Curved Privacy"

4
include/pcp/ed.h
View File

@@ -35,6 +35,8 @@
#include "platform.h"
#include "mem.h"
#include "key.h"
#include "keyhash.h"
#include "util.h"
/* sign a message of messagesize using s->edsecret, if it works
return message+signature (size: messagesize + crypto_sign_BYTES),
@@ -51,4 +53,6 @@ unsigned char * pcp_ed_verify(unsigned char *signature, size_t siglen, pcp_pubke
sig only to the output */
size_t pcp_ed_sign_buffered(FILE *in, FILE *out, pcp_key_t *s, int z85);
unsigned char *pcp_ed_verify_buffered(FILE *in, pcp_pubkey_t *p);
#endif // _HAVE_PCP_ED_H

20
include/pcp/util.h
View File

@@ -26,13 +26,31 @@
#define _HAVE_PCP_UTIL_H
#include <ctype.h>
#include <wctype.h>
// lowercase a string
static inline char *_lc(char *in) {
size_t len = strlen(in);
int i;
size_t i;
for(i=0; i<len; ++i)
in[i] = towlower(in[i]);
return in;
}
// find the offset of the beginning of a certain string within binary data
static inline int _findoffset(unsigned char *bin, size_t binlen, char *sigstart, size_t hlen) {
size_t i;
int sigfoot = 181; // yes, also bad. that's the armored sig footer
int offset = -1;
for(i=0; i<binlen-sigfoot; ++i) {
if(memcmp(&bin[i], sigstart, hlen) == 0) {
offset = i;
break;
}
}
return offset;
}
#endif // _HAVE_PCP_UTIL_H