crypto: add crypto:kdf/4

Author: jtdowney

lib/crypto/c_src/Makefile.in

@@ -109,6 +109,7 @@ CRYPTO_OBJS = $(OBJDIR)/crypto$(TYPEMARKER).o \
 	$(OBJDIR)/hash$(TYPEMARKER).o \
 	$(OBJDIR)/hmac$(TYPEMARKER).o \
 	$(OBJDIR)/info$(TYPEMARKER).o \
+	$(OBJDIR)/kdf$(TYPEMARKER).o \
 	$(OBJDIR)/mac$(TYPEMARKER).o \
 	$(OBJDIR)/math$(TYPEMARKER).o \
 	$(OBJDIR)/pkey$(TYPEMARKER).o \

lib/crypto/c_src/atoms.c

@@ -163,6 +163,27 @@ ERL_NIF_TERM atom_mlkem768;
 ERL_NIF_TERM atom_mlkem1024;
 #endif
 
+#ifdef HAVE_KDF
+ERL_NIF_TERM atom_salt;
+ERL_NIF_TERM atom_info;
+ERL_NIF_TERM atom_iterations;
+ERL_NIF_TERM atom_n;
+ERL_NIF_TERM atom_r;
+ERL_NIF_TERM atom_p;
+ERL_NIF_TERM atom_maxmem;
+ERL_NIF_TERM atom_mac;
+ERL_NIF_TERM atom_extract_and_expand;
+ERL_NIF_TERM atom_extract_only;
+ERL_NIF_TERM atom_expand_only;
+#endif
+
+#ifdef HAVE_ARGON2
+ERL_NIF_TERM atom_memory;
+ERL_NIF_TERM atom_parallelism;
+ERL_NIF_TERM atom_secret;
+ERL_NIF_TERM atom_ad;
+#endif
+
 int init_atoms(ErlNifEnv *env) {
     atom_true  = enif_make_atom(env,"true");
     atom_false = enif_make_atom(env,"false");
@@ -296,5 +317,26 @@ int init_atoms(ErlNifEnv *env) {
     atom_mlkem768  = enif_make_atom(env,"mlkem768");
     atom_mlkem1024 = enif_make_atom(env,"mlkem1024");
 #endif
+
+#ifdef HAVE_KDF
+    atom_salt = enif_make_atom(env,"salt");
+    atom_info = enif_make_atom(env,"info");
+    atom_iterations = enif_make_atom(env,"iterations");
+    atom_n = enif_make_atom(env,"n");
+    atom_r = enif_make_atom(env,"r");
+    atom_p = enif_make_atom(env,"p");
+    atom_maxmem = enif_make_atom(env,"maxmem");
+    atom_mac = enif_make_atom(env,"mac");
+    atom_extract_and_expand = enif_make_atom(env,"extract_and_expand");
+    atom_extract_only = enif_make_atom(env,"extract_only");
+    atom_expand_only = enif_make_atom(env,"expand_only");
+#endif
+
+#ifdef HAVE_ARGON2
+    atom_memory = enif_make_atom(env,"memory");
+    atom_parallelism = enif_make_atom(env,"parallelism");
+    atom_secret = enif_make_atom(env,"secret");
+    atom_ad = enif_make_atom(env,"ad");
+#endif
     return 1;
 }

lib/crypto/c_src/atoms.h

@@ -161,6 +161,27 @@ extern ERL_NIF_TERM atom_mlkem768;
 extern ERL_NIF_TERM atom_mlkem1024;
 #endif
 
+#ifdef HAVE_KDF
+extern ERL_NIF_TERM atom_salt;
+extern ERL_NIF_TERM atom_info;
+extern ERL_NIF_TERM atom_iterations;
+extern ERL_NIF_TERM atom_n;
+extern ERL_NIF_TERM atom_r;
+extern ERL_NIF_TERM atom_p;
+extern ERL_NIF_TERM atom_maxmem;
+extern ERL_NIF_TERM atom_mac;
+extern ERL_NIF_TERM atom_extract_and_expand;
+extern ERL_NIF_TERM atom_extract_only;
+extern ERL_NIF_TERM atom_expand_only;
+#endif
+
+#ifdef HAVE_ARGON2
+extern ERL_NIF_TERM atom_memory;
+extern ERL_NIF_TERM atom_parallelism;
+extern ERL_NIF_TERM atom_secret;
+extern ERL_NIF_TERM atom_ad;
+#endif
+
 int init_atoms(ErlNifEnv *env);
 
 #endif /* E_ATOMS_H__ */

lib/crypto/c_src/crypto.c

@@ -47,6 +47,7 @@
 #include "hash_equals.h"
 #include "hmac.h"
 #include "info.h"
+#include "kdf.h"
 #include "math.h"
 #include "pbkdf2_hmac.h"
 #include "pkey.h"
@@ -101,6 +102,8 @@ static ErlNifFunc nif_funcs[] = {
     {"hash_equals_nif", 2, hash_equals_nif, 0},
 
     {"pbkdf2_hmac_nif", 5, pbkdf2_hmac_nif, 0},
+    {"kdf_nif", 4, kdf_nif, 0},
+    {"kdf_algorithms", 0, kdf_algorithms, 0},
     {"pkey_sign_nif", 5, pkey_sign_nif, 0},
     {"pkey_sign_heavy_nif", 5, pkey_sign_heavy_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND},
     {"pkey_verify_nif", 6, pkey_verify_nif, 0},
@@ -341,6 +344,7 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info)
     init_mac_types(env);
     init_cipher_types(env);
     init_algorithms_types(env);
+    init_kdf_types(env);
 
     library_initialized = 1;
     ret = 0;