/* Test for the Phase 1 post-quantum algorithm registry (pq_crypto.c). * * Verifies: * - crypto_alg_from_role returns the correct algorithm for every valid * (curve, purpose) combination and CRYPTO_ALG_UNKNOWN for invalid ones. * - crypto_alg_get_sizes returns the FIPS/PQClean size constants for each * algorithm and NULL for CRYPTO_ALG_UNKNOWN. * - crypto_alg_to_str / crypto_alg_from_str roundtrip for all algorithms. * - role_purpose_from_str("pq-sig") == PURPOSE_PQ_SIG * - role_purpose_from_str("pq-kem") == PURPOSE_PQ_KEM * - role_curve_from_str("ml-dsa-65") == CURVE_ML_DSA_65 * - role_curve_from_str("slh-dsa-128s") == CURVE_SLH_DSA_128S * - role_curve_from_str("ml-kem-768") == CURVE_ML_KEM_768 */ /* NSIGNER_HEADERLESS_DECLS_BEGIN */ #include #include #include #include /* from secure_mem.h */ typedef struct { void *data; size_t size; int locked; } secure_buf_t; int secure_buf_alloc(secure_buf_t *buf, size_t size); void secure_buf_free(secure_buf_t *buf); void secure_memzero(void *ptr, size_t len); /* from mnemonic.h */ #define MNEMONIC_MAX_LEN 256 typedef struct { secure_buf_t buf; int loaded; int word_count; } mnemonic_state_t; void mnemonic_init(mnemonic_state_t *state); int mnemonic_load(mnemonic_state_t *state, const char *phrase); void mnemonic_unload(mnemonic_state_t *state); int mnemonic_is_loaded(const mnemonic_state_t *state); const char *mnemonic_get_phrase(const mnemonic_state_t *state); int mnemonic_generate(int word_count, char *out, size_t out_len); /* from role_table.h */ #define ROLE_NAME_MAX 64 #define ROLE_PATH_MAX 128 #define ROLE_PURPOSE_MAX 32 #define ROLE_CURVE_MAX 16 #define ROLE_PUBKEY_HEX_MAX 66 #define ROLE_TABLE_MAX_ENTRIES 256 typedef enum { PURPOSE_NOSTR = 0, PURPOSE_BITCOIN, PURPOSE_SSH, PURPOSE_AGE, PURPOSE_FIPS, PURPOSE_PQ_SIG, /* post-quantum signatures (ML-DSA, SLH-DSA) */ PURPOSE_PQ_KEM, /* post-quantum key encapsulation (ML-KEM) */ PURPOSE_UNKNOWN } role_purpose_t; typedef enum { CURVE_SECP256K1 = 0, CURVE_ED25519, CURVE_X25519, CURVE_ML_DSA_65, CURVE_SLH_DSA_128S, CURVE_ML_KEM_768, CURVE_UNKNOWN } role_curve_t; typedef enum { SELECTOR_NOSTR_INDEX, SELECTOR_ROLE_PATH } role_selector_type_t; typedef struct { char name[ROLE_NAME_MAX]; char purpose_str[ROLE_PURPOSE_MAX]; char curve_str[ROLE_CURVE_MAX]; role_purpose_t purpose; role_curve_t curve; role_selector_type_t selector_type; int nostr_index; char role_path[ROLE_PATH_MAX]; char pubkey_hex[ROLE_PUBKEY_HEX_MAX]; int derived; } role_entry_t; typedef struct { role_entry_t entries[ROLE_TABLE_MAX_ENTRIES]; int count; } role_table_t; void role_table_init(role_table_t *table); int role_table_add(role_table_t *table, const role_entry_t *entry); role_entry_t *role_table_find_by_name(role_table_t *table, const char *name); role_entry_t *role_table_find_by_nostr_index(role_table_t *table, int index); role_entry_t *role_table_find_by_path(role_table_t *table, const char *path); role_entry_t *role_table_get_default(role_table_t *table); role_purpose_t role_purpose_from_str(const char *s); role_curve_t role_curve_from_str(const char *s); const char *role_purpose_to_str(role_purpose_t p); const char *role_curve_to_str(role_curve_t c); int role_table_register_nostr_index(role_table_t *table, int nostr_index); /* from selector.h */ #define SELECTOR_OK 0 #define SELECTOR_ERR_AMBIGUOUS -1 #define SELECTOR_ERR_NOT_FOUND -2 #define SELECTOR_ERR_NO_DEFAULT -3 typedef struct { int has_role; char role_name[ROLE_NAME_MAX]; int has_nostr_index; int nostr_index; int has_role_path; char role_path[ROLE_PATH_MAX]; } selector_request_t; void selector_request_init(selector_request_t *req); int selector_resolve(const selector_request_t *req, role_table_t *table, role_entry_t **out); const char *selector_strerror(int err); /* from enforcement.h */ #define ENFORCE_OK 0 #define ENFORCE_ERR_PURPOSE -1 #define ENFORCE_ERR_CURVE -2 #define ENFORCE_ERR_UNKNOWN_VERB -3 #define VERB_GET_PUBLIC_KEY "get_public_key" #define VERB_NOSTR_GET_PUBLIC_KEY "nostr_get_public_key" #define VERB_NOSTR_SIGN_EVENT "nostr_sign_event" #define VERB_NOSTR_NIP44_ENCRYPT "nostr_nip44_encrypt" #define VERB_NOSTR_NIP44_DECRYPT "nostr_nip44_decrypt" #define VERB_NOSTR_NIP04_ENCRYPT "nostr_nip04_encrypt" #define VERB_NOSTR_NIP04_DECRYPT "nostr_nip04_decrypt" int enforce_verb_role(const char *verb, const role_entry_t *role); const char *enforce_strerror(int err); /* from policy.h */ #define POLICY_MAX_ENTRIES 32 #define POLICY_MAX_VERBS 16 #define POLICY_MAX_ROLES 16 #define POLICY_MAX_PURPOSES 8 #define POLICY_VERB_MAX_LEN 32 #define POLICY_CALLER_MAX_LEN 160 #define POLICY_MAX_ALGS 16 #define POLICY_MAX_ALGS 16 typedef enum { PROMPT_NEVER = 0, PROMPT_FIRST_PER_BOOT, PROMPT_EVERY_REQUEST, PROMPT_DENY } prompt_mode_t; typedef enum { POLICY_SOURCE_DEFAULT = 0, POLICY_SOURCE_PREAPPROVE, POLICY_SOURCE_SESSION_GRANT } policy_source_t; typedef struct { char caller[POLICY_CALLER_MAX_LEN]; char verbs[POLICY_MAX_VERBS][POLICY_VERB_MAX_LEN]; int verb_count; char roles[POLICY_MAX_ROLES][ROLE_NAME_MAX]; int role_count; char purposes[POLICY_MAX_PURPOSES][ROLE_PURPOSE_MAX]; int purpose_count; /* Algorithm-based (new) */ char algorithms[16][32]; /* algorithm names; POLICY_MAX_ALGS */ int alg_count; int index_min; /* -1 = any */ int index_max; /* -1 = any */ /* Common */ prompt_mode_t prompt; policy_source_t source; } policy_entry_t; typedef struct { policy_entry_t entries[POLICY_MAX_ENTRIES]; int count; } policy_table_t; #define POLICY_ALLOW 0 #define POLICY_DENY -1 #define POLICY_PROMPT -2 #define POLICY_NO_MATCH -3 void policy_table_init(policy_table_t *table); void policy_init_default(policy_table_t *table, uid_t owner_uid); int policy_table_add(policy_table_t *table, const policy_entry_t *entry); int policy_check(const policy_table_t *table, const char *caller_id, const char *verb, const char *role_name, const char *purpose, policy_source_t *out_source); /* Check whether caller_id is allowed to invoke `verb` with the given * algorithm and index (algorithm-based policy). Returns POLICY_ALLOW, * POLICY_DENY, POLICY_PROMPT, or POLICY_NO_MATCH. */ int policy_check_algorithm(const policy_table_t *table, const char *caller_id, const char *verb, const char *algorithm, int index, policy_source_t *out_source); /* Check whether caller_id is allowed to invoke `verb` with the given * algorithm and index (algorithm-based policy). Returns POLICY_ALLOW, * POLICY_DENY, POLICY_PROMPT, or POLICY_NO_MATCH. */ int policy_check_algorithm(const policy_table_t *table, const char *caller_id, const char *verb, const char *algorithm, int index, policy_source_t *out_source); prompt_mode_t prompt_mode_from_str(const char *s); const char *prompt_mode_to_str(prompt_mode_t m); /* from pq_crypto.h */ /* Algorithm identifiers */ typedef enum { CRYPTO_ALG_SECP256K1 = 0, /* existing, Nostr */ CRYPTO_ALG_ED25519, /* new, SSH signatures */ CRYPTO_ALG_X25519, /* new, key agreement */ CRYPTO_ALG_ML_DSA_65, /* new, PQ signatures */ CRYPTO_ALG_SLH_DSA_128S, /* new, PQ signatures */ CRYPTO_ALG_ML_KEM_768, /* new, PQ KEM */ CRYPTO_ALG_UNKNOWN } crypto_alg_t; /* Key sizes for each algorithm (compile-time constants) */ typedef struct { size_t priv_key_len; size_t pub_key_len; size_t sig_len; /* 0 for KEM */ size_t ciphertext_len; /* 0 for signatures */ size_t shared_secret_len; /* 0 for signatures */ } crypto_alg_sizes_t; /* Get size info for an algorithm. Returns NULL for CRYPTO_ALG_UNKNOWN. */ const crypto_alg_sizes_t *crypto_alg_get_sizes(crypto_alg_t alg); /* Map role_curve_t + role_purpose_t to crypto_alg_t. * Returns CRYPTO_ALG_UNKNOWN for unsupported combinations. */ crypto_alg_t crypto_alg_from_role(role_curve_t curve, role_purpose_t purpose); /* Convert crypto_alg_t to string. Returns NULL for unknown. */ const char *crypto_alg_to_str(crypto_alg_t alg); /* Parse string to crypto_alg_t. Returns CRYPTO_ALG_UNKNOWN for unrecognized. */ crypto_alg_t crypto_alg_from_str(const char *s); /* ed25519: derive keypair from a 32-byte seed. * priv_out and pub_out must be at least 32 bytes each. * Returns 0 on success, -1 on error. */ int crypto_ed25519_keygen_from_seed(const unsigned char *seed, size_t seed_len, unsigned char *priv_out, unsigned char *pub_out); /* ed25519: sign a message. priv is 32-byte private key. * sig_out must be at least 64 bytes. Returns 0 on success, -1 on error. */ int crypto_ed25519_sign(const unsigned char *priv, size_t priv_len, const unsigned char *msg, size_t msg_len, unsigned char *sig_out, size_t *sig_out_len); /* ed25519: verify a signature. pub is 32-byte public key. * Returns 0 on valid, 1 on invalid, -1 on error. */ int crypto_ed25519_verify(const unsigned char *pub, size_t pub_len, const unsigned char *msg, size_t msg_len, const unsigned char *sig, size_t sig_len); /* x25519: derive keypair from a 32-byte seed. * priv_out and pub_out must be at least 32 bytes each. * Returns 0 on success, -1 on error. */ int crypto_x25519_keygen_from_seed(const unsigned char *seed, size_t seed_len, unsigned char *priv_out, unsigned char *pub_out); /* x25519: derive shared secret from our private key and peer's public key. * shared_out must be at least 32 bytes. Returns 0 on success, -1 on error. */ int crypto_x25519_ecdh(const unsigned char *our_priv, size_t priv_len, const unsigned char *peer_pub, size_t pub_len, unsigned char *shared_out, size_t *shared_out_len); /* Derive a 32-byte seed from a mnemonic using a BIP-44 path (SLIP-0010). * seed_out must be at least 32 bytes. Returns 0 on success, -1 on error. */ int crypto_derive_seed_from_mnemonic(const char *mnemonic, const char *path, unsigned char *seed_out, size_t seed_out_len); /* ML-DSA-65: generate keypair from a 32-byte seed (deterministic). * priv_out must be at least 4032 bytes, pub_out at least 1952 bytes. * Returns 0 on success, -1 on error. */ int crypto_ml_dsa_65_keygen_from_seed(const unsigned char *seed, size_t seed_len, unsigned char *priv_out, unsigned char *pub_out); /* ML-DSA-65: sign a message. priv is 4032-byte private key. * sig_out must be at least 3309 bytes. Returns 0 on success, -1 on error. */ int crypto_ml_dsa_65_sign(const unsigned char *priv, size_t priv_len, const unsigned char *msg, size_t msg_len, unsigned char *sig_out, size_t *sig_out_len); /* ML-DSA-65: verify a signature. pub is 1952-byte public key. * Returns 0 on valid, 1 on invalid, -1 on error. */ int crypto_ml_dsa_65_verify(const unsigned char *pub, size_t pub_len, const unsigned char *msg, size_t msg_len, const unsigned char *sig, size_t sig_len); /* SLH-DSA-128s: generate keypair from a 32-byte seed (deterministic). * priv_out must be at least 64 bytes, pub_out at least 32 bytes. * Returns 0 on success, -1 on error. */ int crypto_slh_dsa_128s_keygen_from_seed(const unsigned char *seed, size_t seed_len, unsigned char *priv_out, unsigned char *pub_out); /* SLH-DSA-128s: sign a message. priv is 64-byte private key. * sig_out must be at least 7856 bytes. Returns 0 on success, -1 on error. */ int crypto_slh_dsa_128s_sign(const unsigned char *priv, size_t priv_len, const unsigned char *msg, size_t msg_len, unsigned char *sig_out, size_t *sig_out_len); /* SLH-DSA-128s: verify a signature. pub is 32-byte public key. * Returns 0 on valid, 1 on invalid, -1 on error. */ int crypto_slh_dsa_128s_verify(const unsigned char *pub, size_t pub_len, const unsigned char *msg, size_t msg_len, const unsigned char *sig, size_t sig_len); /* ML-KEM-768: generate keypair from a 32-byte seed (deterministic). * priv_out must be at least 2400 bytes, pub_out at least 1184 bytes. * Returns 0 on success, -1 on error. */ int crypto_ml_kem_768_keygen_from_seed(const unsigned char *seed, size_t seed_len, unsigned char *priv_out, unsigned char *pub_out); /* ML-KEM-768: encapsulate. pub is 1184-byte public key. * ct_out must be at least 1088 bytes, ss_out at least 32 bytes. * Returns 0 on success, -1 on error. */ int crypto_ml_kem_768_encaps(const unsigned char *pub, size_t pub_len, unsigned char *ct_out, unsigned char *ss_out); /* ML-KEM-768: decapsulate. priv is 2400-byte secret key, ct is 1088-byte ciphertext. * ss_out must be at least 32 bytes. Returns 0 on success, -1 on error. */ int crypto_ml_kem_768_decaps(const unsigned char *priv, size_t priv_len, const unsigned char *ct, size_t ct_len, unsigned char *ss_out); /* Deterministic PRNG for PQ keygen (replaces PQClean randombytes()). */ void pq_drbg_init(const unsigned char *seed, size_t seed_len); int pq_drbg_randombytes(unsigned char *buf, size_t len); void pq_drbg_zeroize(void); /* from crypto.h */ /* Per-role derived key material (stored in secure memory) */ typedef struct { secure_buf_t private_key; /* mlock'd, variable size per algorithm */ secure_buf_t public_key; /* mlock'd, variable size per algorithm */ char pubkey_hex[8192]; /* hex-encoded public key (PQ pubkeys are large) */ char npub[128]; /* bech32 npub (secp256k1 only, empty for others) */ crypto_alg_t alg; /* which algorithm this key was derived for */ int valid; } derived_key_t; typedef struct { derived_key_t keys[ROLE_TABLE_MAX_ENTRIES]; int count; } key_store_t; int crypto_derive_all(key_store_t *store, role_table_t *table, const mnemonic_state_t *mnemonic); int crypto_derive_one(key_store_t *store, role_table_t *table, const mnemonic_state_t *mnemonic, int role_index); const unsigned char *crypto_get_private_key(const key_store_t *store, int role_index); const char *crypto_get_pubkey_hex(const key_store_t *store, int role_index); char *crypto_sign_event(const key_store_t *store, int role_index, const char *event_json); void crypto_wipe(key_store_t *store); /* from alg_api.h */ /* Check whether a verb is valid for an algorithm (algorithm-based enforcement). * Returns ENFORCE_OK, ENFORCE_ERR_ALGORITHM, or ENFORCE_ERR_UNKNOWN_VERB. * Does NOT check purpose — purpose is irrelevant for the new verbs. */ int enforce_verb_algorithm(const char *verb, crypto_alg_t alg); /* secp256k1 Schnorr (BIP-340) sign arbitrary bytes. * priv is 32-byte scalar, pub is 32-byte x-only pubkey, sig_out is 64 bytes. * Hashes the message with SHA-256 before signing (like Nostr event signing). * Returns 0 on success, -1 on error. */ int crypto_secp256k1_schnorr_sign(const unsigned char *priv, size_t priv_len, const unsigned char *msg, size_t msg_len, unsigned char *sig_out, size_t *sig_out_len); /* secp256k1 Schnorr (BIP-340) verify. * pub is 32-byte x-only pubkey, sig is 64 bytes. * Returns 0 on valid, 1 on invalid, -1 on error. */ int crypto_secp256k1_schnorr_verify(const unsigned char *pub, size_t pub_len, const unsigned char *msg, size_t msg_len, const unsigned char *sig, size_t sig_len); /* secp256k1 ECDSA sign arbitrary bytes. * priv is 32-byte scalar, sig_out must be at least 64 bytes (compact DER r||s). * Hashes the message with SHA-256 before signing. * Returns 0 on success, -1 on error. */ int crypto_secp256k1_ecdsa_sign(const unsigned char *priv, size_t priv_len, const unsigned char *msg, size_t msg_len, unsigned char *sig_out, size_t *sig_out_len); /* secp256k1 ECDSA verify. * pub is 32-byte x-only pubkey (converted internally to compressed form). * sig is 64-byte compact (r||s). Returns 0 on valid, 1 on invalid, -1 on error. */ int crypto_secp256k1_ecdsa_verify(const unsigned char *pub, size_t pub_len, const unsigned char *msg, size_t msg_len, const unsigned char *sig, size_t sig_len); /* ---- Algorithm key cache ---- * On-demand key derivation by algorithm+index, separate from the role-based * key_store. Holds up to ALG_KEY_CACHE_MAX derived keys in secure memory. * When full, the oldest entry is evicted (FIFO). */ #define ALG_KEY_CACHE_MAX 32 typedef struct { crypto_alg_t alg; int index; secure_buf_t private_key; secure_buf_t public_key; char pubkey_hex[8192]; char key_id[17]; int valid; } alg_key_entry_t; typedef struct { alg_key_entry_t entries[ALG_KEY_CACHE_MAX]; int count; } algorithm_key_cache_t; /* Initialize an empty cache. */ void alg_key_cache_init(algorithm_key_cache_t *cache); /* Zeroize and free all entries. Idempotent. */ void alg_key_cache_wipe(algorithm_key_cache_t *cache); /* Look up a cached entry by (alg, index). Returns NULL if not present. */ const alg_key_entry_t *alg_key_cache_get(algorithm_key_cache_t *cache, crypto_alg_t alg, int index); /* Derive a key on-demand by (alg, index) and store it in the cache. * Uses the standard derivation path for the algorithm. * Returns 0 on success, -1 on error. */ int alg_key_cache_derive(algorithm_key_cache_t *cache, const mnemonic_state_t *mnemonic, crypto_alg_t alg, int index); /* from dispatcher.h */ typedef struct { role_table_t *role_table; mnemonic_state_t *mnemonic; key_store_t *key_store; } dispatcher_ctx_t; void dispatcher_init(dispatcher_ctx_t *ctx, role_table_t *table, mnemonic_state_t *mnemonic, key_store_t *key_store); char *dispatcher_handle_request(dispatcher_ctx_t *ctx, const char *json_request); /* NSIGNER_HEADERLESS_DECLS_END */ #include #include static int g_failures = 0; static void check_condition(const char *name, int condition) { if (condition) { printf("PASS: %s\n", name); } else { printf("FAIL: %s\n", name); g_failures++; } } int main(void) { const crypto_alg_sizes_t *sz; crypto_alg_t alg; const char *str; crypto_alg_t back; /* ---- crypto_alg_from_role: valid combinations ---- */ check_condition("secp256k1+nostr -> SECP256K1", crypto_alg_from_role(CURVE_SECP256K1, PURPOSE_NOSTR) == CRYPTO_ALG_SECP256K1); check_condition("ed25519+ssh -> ED25519", crypto_alg_from_role(CURVE_ED25519, PURPOSE_SSH) == CRYPTO_ALG_ED25519); check_condition("x25519+age -> X25519", crypto_alg_from_role(CURVE_X25519, PURPOSE_AGE) == CRYPTO_ALG_X25519); check_condition("ml-dsa-65+pq-sig -> ML_DSA_65", crypto_alg_from_role(CURVE_ML_DSA_65, PURPOSE_PQ_SIG) == CRYPTO_ALG_ML_DSA_65); check_condition("slh-dsa-128s+pq-sig -> SLH_DSA_128S", crypto_alg_from_role(CURVE_SLH_DSA_128S, PURPOSE_PQ_SIG) == CRYPTO_ALG_SLH_DSA_128S); check_condition("ml-kem-768+pq-kem -> ML_KEM_768", crypto_alg_from_role(CURVE_ML_KEM_768, PURPOSE_PQ_KEM) == CRYPTO_ALG_ML_KEM_768); /* ---- crypto_alg_from_role: invalid combinations ---- */ check_condition("secp256k1+ssh -> UNKNOWN", crypto_alg_from_role(CURVE_SECP256K1, PURPOSE_SSH) == CRYPTO_ALG_UNKNOWN); check_condition("ed25519+nostr -> UNKNOWN", crypto_alg_from_role(CURVE_ED25519, PURPOSE_NOSTR) == CRYPTO_ALG_UNKNOWN); check_condition("ml-dsa-65+pq-kem -> UNKNOWN (purpose mismatch)", crypto_alg_from_role(CURVE_ML_DSA_65, PURPOSE_PQ_KEM) == CRYPTO_ALG_UNKNOWN); check_condition("ml-kem-768+pq-sig -> UNKNOWN (purpose mismatch)", crypto_alg_from_role(CURVE_ML_KEM_768, PURPOSE_PQ_SIG) == CRYPTO_ALG_UNKNOWN); check_condition("unknown curve -> UNKNOWN", crypto_alg_from_role(CURVE_UNKNOWN, PURPOSE_NOSTR) == CRYPTO_ALG_UNKNOWN); /* ---- crypto_alg_get_sizes ---- */ sz = crypto_alg_get_sizes(CRYPTO_ALG_SECP256K1); check_condition("sizes secp256k1 not NULL", sz != NULL); check_condition("sizes secp256k1 priv=32 pub=32 sig=64", sz != NULL && sz->priv_key_len == 32 && sz->pub_key_len == 32 && sz->sig_len == 64 && sz->ciphertext_len == 0 && sz->shared_secret_len == 0); sz = crypto_alg_get_sizes(CRYPTO_ALG_ED25519); check_condition("sizes ed25519 priv=32 pub=32 sig=64", sz != NULL && sz->priv_key_len == 32 && sz->pub_key_len == 32 && sz->sig_len == 64); sz = crypto_alg_get_sizes(CRYPTO_ALG_X25519); check_condition("sizes x25519 priv=32 pub=32 shared=32 sig=0", sz != NULL && sz->priv_key_len == 32 && sz->pub_key_len == 32 && sz->sig_len == 0 && sz->shared_secret_len == 32); sz = crypto_alg_get_sizes(CRYPTO_ALG_ML_DSA_65); check_condition("sizes ml-dsa-65 priv=4032 pub=1952 sig=3309", sz != NULL && sz->priv_key_len == 4032 && sz->pub_key_len == 1952 && sz->sig_len == 3309 && sz->ciphertext_len == 0 && sz->shared_secret_len == 0); sz = crypto_alg_get_sizes(CRYPTO_ALG_SLH_DSA_128S); check_condition("sizes slh-dsa-128s priv=64 pub=32 sig=7856", sz != NULL && sz->priv_key_len == 64 && sz->pub_key_len == 32 && sz->sig_len == 7856 && sz->ciphertext_len == 0 && sz->shared_secret_len == 0); sz = crypto_alg_get_sizes(CRYPTO_ALG_ML_KEM_768); check_condition("sizes ml-kem-768 priv=2400 pub=1184 ct=1088 shared=32", sz != NULL && sz->priv_key_len == 2400 && sz->pub_key_len == 1184 && sz->sig_len == 0 && sz->ciphertext_len == 1088 && sz->shared_secret_len == 32); sz = crypto_alg_get_sizes(CRYPTO_ALG_UNKNOWN); check_condition("sizes UNKNOWN -> NULL", sz == NULL); /* ---- crypto_alg_to_str / crypto_alg_from_str roundtrip ---- */ str = crypto_alg_to_str(CRYPTO_ALG_SECP256K1); check_condition("to_str secp256k1", str != NULL && strcmp(str, "secp256k1") == 0); str = crypto_alg_to_str(CRYPTO_ALG_ED25519); check_condition("to_str ed25519", str != NULL && strcmp(str, "ed25519") == 0); str = crypto_alg_to_str(CRYPTO_ALG_X25519); check_condition("to_str x25519", str != NULL && strcmp(str, "x25519") == 0); str = crypto_alg_to_str(CRYPTO_ALG_ML_DSA_65); check_condition("to_str ml-dsa-65", str != NULL && strcmp(str, "ml-dsa-65") == 0); str = crypto_alg_to_str(CRYPTO_ALG_SLH_DSA_128S); check_condition("to_str slh-dsa-128s", str != NULL && strcmp(str, "slh-dsa-128s") == 0); str = crypto_alg_to_str(CRYPTO_ALG_ML_KEM_768); check_condition("to_str ml-kem-768", str != NULL && strcmp(str, "ml-kem-768") == 0); check_condition("to_str UNKNOWN -> NULL", crypto_alg_to_str(CRYPTO_ALG_UNKNOWN) == NULL); back = crypto_alg_from_str("secp256k1"); check_condition("from_str secp256k1", back == CRYPTO_ALG_SECP256K1); back = crypto_alg_from_str("ed25519"); check_condition("from_str ed25519", back == CRYPTO_ALG_ED25519); back = crypto_alg_from_str("x25519"); check_condition("from_str x25519", back == CRYPTO_ALG_X25519); back = crypto_alg_from_str("ml-dsa-65"); check_condition("from_str ml-dsa-65", back == CRYPTO_ALG_ML_DSA_65); back = crypto_alg_from_str("slh-dsa-128s"); check_condition("from_str slh-dsa-128s", back == CRYPTO_ALG_SLH_DSA_128S); back = crypto_alg_from_str("ml-kem-768"); check_condition("from_str ml-kem-768", back == CRYPTO_ALG_ML_KEM_768); back = crypto_alg_from_str("not-a-real-alg"); check_condition("from_str bogus -> UNKNOWN", back == CRYPTO_ALG_UNKNOWN); back = crypto_alg_from_str(NULL); check_condition("from_str NULL -> UNKNOWN", back == CRYPTO_ALG_UNKNOWN); /* roundtrip via to_str then from_str for each algorithm */ alg = CRYPTO_ALG_SECP256K1; check_condition("roundtrip secp256k1", crypto_alg_from_str(crypto_alg_to_str(alg)) == alg); alg = CRYPTO_ALG_ML_DSA_65; check_condition("roundtrip ml-dsa-65", crypto_alg_from_str(crypto_alg_to_str(alg)) == alg); alg = CRYPTO_ALG_ML_KEM_768; check_condition("roundtrip ml-kem-768", crypto_alg_from_str(crypto_alg_to_str(alg)) == alg); /* ---- role_purpose_from_str new values ---- */ check_condition("purpose from_str pq-sig -> PQ_SIG", role_purpose_from_str("pq-sig") == PURPOSE_PQ_SIG); check_condition("purpose from_str pq-kem -> PQ_KEM", role_purpose_from_str("pq-kem") == PURPOSE_PQ_KEM); check_condition("purpose to_str PQ_SIG -> pq-sig", strcmp(role_purpose_to_str(PURPOSE_PQ_SIG), "pq-sig") == 0); check_condition("purpose to_str PQ_KEM -> pq-kem", strcmp(role_purpose_to_str(PURPOSE_PQ_KEM), "pq-kem") == 0); /* ---- role_curve_from_str new values ---- */ check_condition("curve from_str ml-dsa-65 -> ML_DSA_65", role_curve_from_str("ml-dsa-65") == CURVE_ML_DSA_65); check_condition("curve from_str slh-dsa-128s -> SLH_DSA_128S", role_curve_from_str("slh-dsa-128s") == CURVE_SLH_DSA_128S); check_condition("curve from_str ml-kem-768 -> ML_KEM_768", role_curve_from_str("ml-kem-768") == CURVE_ML_KEM_768); check_condition("curve to_str ML_DSA_65 -> ml-dsa-65", strcmp(role_curve_to_str(CURVE_ML_DSA_65), "ml-dsa-65") == 0); check_condition("curve to_str SLH_DSA_128S -> slh-dsa-128s", strcmp(role_curve_to_str(CURVE_SLH_DSA_128S), "slh-dsa-128s") == 0); check_condition("curve to_str ML_KEM_768 -> ml-kem-768", strcmp(role_curve_to_str(CURVE_ML_KEM_768), "ml-kem-768") == 0); if (g_failures == 0) { printf("\nALL TESTS PASSED\n"); return 0; } printf("\n%d TEST(S) FAILED\n", g_failures); return 1; }