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      1 /*	$NetBSD: crypto_api.h,v 1.8 2026/04/09 06:36:39 christos Exp $	*/
      2 /* $OpenBSD: crypto_api.h,v 1.10 2025/10/30 23:19:33 djm Exp $ */
      3 
      4 /*
      5  * Assembled from generated headers and source files by Markus Friedl.
      6  * Placed in the public domain.
      7  */
      8 
      9 #ifndef crypto_api_h
     10 #define crypto_api_h
     11 
     12 #include <stdint.h>
     13 #include <stdlib.h>
     14 
     15 typedef int8_t crypto_int8;
     16 typedef uint8_t crypto_uint8;
     17 typedef int16_t crypto_int16;
     18 typedef uint16_t crypto_uint16;
     19 typedef int32_t crypto_int32;
     20 typedef uint32_t crypto_uint32;
     21 typedef int64_t crypto_int64;
     22 typedef uint64_t crypto_uint64;
     23 
     24 #define randombytes(buf, buf_len) arc4random_buf((buf), (buf_len))
     25 #define small_random32() arc4random()
     26 
     27 #define crypto_hash_sha512_BYTES 64U
     28 
     29 #ifdef WITH_OPENSSL
     30 #include <openssl/evp.h>
     31 static inline int
     32 crypto_hash_sha512(unsigned char *out, const unsigned char *in,
     33     unsigned long long inlen)
     34 {
     35 
     36 	if (!EVP_Digest(in, inlen, out, NULL, EVP_sha512(), NULL))
     37 		return -1;
     38 	return 0;
     39 }
     40 #else /* WITH_OPENSSL */
     41 # include <sha2.h>
     42 static inline int
     43 crypto_hash_sha512(unsigned char *out, const unsigned char *in,
     44     unsigned long long inlen)
     45 {
     46 
     47 	SHA512_CTX ctx;
     48 
     49 	SHA512Init(&ctx);
     50 	SHA512Update(&ctx, in, inlen);
     51 	SHA512Final(out, &ctx);
     52 	return 0;
     53 }
     54 #endif /* WITH_OPENSSL */
     55 
     56 #define crypto_sign_ed25519_SECRETKEYBYTES 64U
     57 #define crypto_sign_ed25519_PUBLICKEYBYTES 32U
     58 #define crypto_sign_ed25519_BYTES 64U
     59 
     60 int	crypto_sign_ed25519(unsigned char *, unsigned long long *,
     61     const unsigned char *, unsigned long long, const unsigned char *);
     62 int	crypto_sign_ed25519_open(unsigned char *, unsigned long long *,
     63     const unsigned char *, unsigned long long, const unsigned char *);
     64 int	crypto_sign_ed25519_keypair(unsigned char *, unsigned char *);
     65 
     66 #define crypto_kem_sntrup761_PUBLICKEYBYTES 1158
     67 #define crypto_kem_sntrup761_SECRETKEYBYTES 1763
     68 #define crypto_kem_sntrup761_CIPHERTEXTBYTES 1039
     69 #define crypto_kem_sntrup761_BYTES 32
     70 
     71 int	crypto_kem_sntrup761_enc(unsigned char *cstr, unsigned char *k,
     72     const unsigned char *pk);
     73 int	crypto_kem_sntrup761_dec(unsigned char *k,
     74     const unsigned char *cstr, const unsigned char *sk);
     75 int	crypto_kem_sntrup761_keypair(unsigned char *pk, unsigned char *sk);
     76 
     77 #define crypto_kem_mlkem768_PUBLICKEYBYTES 1184
     78 #define crypto_kem_mlkem768_SECRETKEYBYTES 2400
     79 #define crypto_kem_mlkem768_CIPHERTEXTBYTES 1088
     80 #define crypto_kem_mlkem768_BYTES 32
     81 
     82 #endif /* crypto_api_h */
     83