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authorWerner Koch <[email protected]>2020-05-19 12:28:40 +0000
committerWerner Koch <[email protected]>2020-05-19 12:28:48 +0000
commit3cd9dac7e0976643c6e4b6537cf363b2b12d422f (patch)
treee0e3d85f3aa20d2ac141d70c1808fa600844f4fa /common/util.h
parentsm: Support creation of EdDSA certificates. (diff)
downloadgnupg-3cd9dac7e0976643c6e4b6537cf363b2b12d422f.tar.gz
gnupg-3cd9dac7e0976643c6e4b6537cf363b2b12d422f.zip
common: New function to extract Q from an ECC key.
* common/sexputil.c (get_ecc_q_from_canon_sexp): New. Signed-off-by: Werner Koch <[email protected]>
Diffstat (limited to 'common/util.h')
-rw-r--r--common/util.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/common/util.h b/common/util.h
index b5bdd0385..834438448 100644
--- a/common/util.h
+++ b/common/util.h
@@ -197,6 +197,10 @@ gpg_error_t get_rsa_pk_from_canon_sexp (const unsigned char *keydata,
size_t *r_nlen,
unsigned char const **r_e,
size_t *r_elen);
+gpg_error_t get_ecc_q_from_canon_sexp (const unsigned char *keydata,
+ size_t keydatalen,
+ unsigned char const **r_q,
+ size_t *r_qlen);
int get_pk_algo_from_key (gcry_sexp_t key);
int get_pk_algo_from_canon_sexp (const unsigned char *keydata,