common: New module to compute openpgp fingerprints

* common/openpgp-fpr.c: New.
* common/Makefile.am (common_sources): Add it.
--

This function is targeted to handle keys on smartcards.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 20 insertions, 0 deletions

diff --git a/common/openpgpdefs.h b/common/openpgpdefs.h
index 5ab45debd..625747983 100644
--- a/common/openpgpdefs.h
+++ b/common/openpgpdefs.h
@@ -213,6 +213,26 @@ compress_algo_t;
 /*-- openpgp-s2k.c --*/
 unsigned char encode_s2k_iterations (int iterations);
 
+/*-- openpgp-fpr.c --*/
+gpg_error_t compute_openpgp_fpr (int keyversion, int pgpalgo,
+                                 unsigned long timestamp,
+                                 gcry_buffer_t *iov, int iovcnt,
+                                 unsigned char *result,
+                                 unsigned int *r_resultlen);
+gpg_error_t compute_openpgp_fpr_rsa (int keyversion,
+                                     unsigned long timestamp,
+                                     const unsigned char *m, unsigned int mlen,
+                                     const unsigned char *e, unsigned int elen,
+                                     unsigned char *result,
+                                     unsigned int *r_resultlen);
+gpg_error_t compute_openpgp_fpr_ecc (int keyversion,
+                                     unsigned long timestamp,
+                                     const char *curvename, int for_encryption,
+                                     const unsigned char *q, unsigned int qlen,
+                                     const unsigned char *kdf,
+                                     unsigned int kdflen,
+                                     unsigned char *result,
+                                     unsigned int *r_resultlen);
 
 /*-- openpgp-oid.c --*/
 pubkey_algo_t map_gcry_pk_to_openpgp (enum gcry_pk_algos algo);