Add compatibility functions for OpenSSH.

Change-Id: I2fcb67fea859220e7e7bbbdb5dd910fb847c5600

4 files changed, 20 insertions, 0 deletions

diff --git a/src/crypto/ec/ec.c b/src/crypto/ec/ec.c
index 30def15..7d16f2c 100644
--- a/src/crypto/ec/ec.c
+++ b/src/crypto/ec/ec.c
@@ -853,3 +853,13 @@ int ec_point_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *po
   return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y,
                                                             z, ctx);
 }
+
+void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag) {}
+
+const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group) {
+  return NULL;
+}
+
+int EC_METHOD_get_field_type(const EC_METHOD *meth) {
+  return NID_X9_62_prime_field;
+}
diff --git a/src/crypto/ec/ec_key.c b/src/crypto/ec/ec_key.c
index c8f0624..471ea9c 100644
--- a/src/crypto/ec/ec_key.c
+++ b/src/crypto/ec/ec_key.c
@@ -514,3 +514,5 @@ int EC_KEY_set_ex_data(EC_KEY *d, int idx, void *arg) {
 void *EC_KEY_get_ex_data(const EC_KEY *d, int idx) {
   return CRYPTO_get_ex_data(&d->ex_data, idx);
 }
+
+void EC_KEY_set_asn1_flag(EC_KEY *key, int flag) {}
diff --git a/src/crypto/rand/rand.c b/src/crypto/rand/rand.c
index 6780b6c..efd6c0a 100644
--- a/src/crypto/rand/rand.c
+++ b/src/crypto/rand/rand.c
@@ -26,3 +26,7 @@ void RAND_add(const void *buf, int num, double entropy) {}
 int RAND_poll(void) {
   return 1;
 }
+
+int RAND_status(void) {
+  return 1;
+}
diff --git a/src/crypto/rsa/rsa.c b/src/crypto/rsa/rsa.c
index cfdd7ff..66002cc 100644
--- a/src/crypto/rsa/rsa.c
+++ b/src/crypto/rsa/rsa.c
@@ -759,3 +759,7 @@ int RSA_private_transform(RSA *rsa, uint8_t *out, const uint8_t *in,
 
   return RSA_default_method.private_transform(rsa, out, in, len);
 }
+
+int RSA_blinding_on(RSA *rsa, BN_CTX *ctx) {
+  return 1;
+}