diff options
-rw-r--r-- | dsa.h | 4 | ||||
-rw-r--r-- | sexp2dsa.c | 16 |
2 files changed, 20 insertions, 0 deletions
@@ -154,6 +154,10 @@ dsa_generate_keypair(struct dsa_public_key *pub, struct sexp_iterator; int +dsa_signature_from_sexp(struct dsa_signature *rs, + struct sexp_iterator *i); + +int dsa_keypair_from_sexp_alist(struct dsa_public_key *pub, struct dsa_private_key *priv, unsigned limit, @@ -87,4 +87,20 @@ dsa_keypair_from_sexp(struct dsa_public_key *pub, && dsa_keypair_from_sexp_alist(pub, priv, limit, &i); } +int +dsa_signature_from_sexp(struct dsa_signature *rs, + struct sexp_iterator *i) +{ + static const uint8_t *names[2] = { "r", "s" }; + struct sexp_iterator values[2]; + + if (!sexp_iterator_assoc(i, 2, names, values)) + return 0; + + GET(rs->r, 160, &values[0]); + GET(rs->s, 160, &values[1]); + + return 1; +} + #endif /* WITH_PUBLIC_KEY */ |