1 files changed, 8 insertions, 3 deletions
diff --git a/src/crypto_cc.c b/src/crypto_cc.c
index cf932f6..1e18dc7 100644
--- a/src/crypto_cc.c
+++ b/src/crypto_cc.c
@@ -36,6 +36,10 @@
 #include <CommonCrypto/CommonCrypto.h>
 #include <Security/SecRandom.h>
 
+static int sqlcipher_cc_add_random(void *ctx, void *buffer, int length) {
+  return SQLITE_OK;
+}
+
 /* generate a defined number of random bytes */
 static int sqlcipher_cc_random (void *ctx, void *buffer, int length) {
   return (SecRandomCopyBytes(kSecRandomDefault, length, (uint8_t *)buffer) == 0) ? SQLITE_OK : SQLITE_ERROR;
@@ -54,8 +58,8 @@ static int sqlcipher_cc_hmac(void *ctx, unsigned char *hmac_key, int key_sz, uns
   return SQLITE_OK; 
 }
 
-static int sqlcipher_cc_kdf(void *ctx, const char *pass, int pass_sz, unsigned char* salt, int salt_sz, int workfactor, int key_sz, unsigned char *key) {
-  CCKeyDerivationPBKDF(kCCPBKDF2, pass, pass_sz, salt, salt_sz, kCCPRFHmacAlgSHA1, workfactor, key, key_sz);
+static int sqlcipher_cc_kdf(void *ctx, const unsigned char *pass, int pass_sz, unsigned char* salt, int salt_sz, int workfactor, int key_sz, unsigned char *key) {
+  CCKeyDerivationPBKDF(kCCPBKDF2, (const char *)pass, pass_sz, salt, salt_sz, kCCPRFHmacAlgSHA1, workfactor, key, key_sz);
   return SQLITE_OK; 
 }
 
@@ -105,7 +109,7 @@ static int sqlcipher_cc_ctx_copy(void *target_ctx, void *source_ctx) {
 }
 
 static int sqlcipher_cc_ctx_cmp(void *c1, void *c2) {
-  return SQLITE_OK;
+  return 1; /* always indicate contexts are the same */
 }
 
 static int sqlcipher_cc_ctx_init(void **ctx) {
@@ -132,6 +136,7 @@ int sqlcipher_cc_setup(sqlcipher_provider *p) {
   p->ctx_cmp = sqlcipher_cc_ctx_cmp;
   p->ctx_init = sqlcipher_cc_ctx_init;
   p->ctx_free = sqlcipher_cc_ctx_free;
+  p->add_random = sqlcipher_cc_add_random;
   return SQLITE_OK;
 }