! Copyright (C) 2007 Elie CHAFTARI, 2009 Maxim Savchenko
! See http://factorcode.org/license.txt for BSD license.
!
! Tested with OpenSSL 0.9.8a_0 on Mac OS X 10.4.9 PowerPC
!
! export LD_LIBRARY_PATH=/opt/local/lib

USING: alien alien.c-types alien.syntax combinators kernel system
alien.libraries classes.struct ;

IN: openssl.libcrypto

<<
{
    { [ os openbsd? ] [ ] } ! VM is linked with it
    { [ os netbsd? ] [ ] }
    { [ os winnt? ] [ "libcrypto" "libeay32.dll" "cdecl" add-library ] }
    { [ os macosx? ] [ "libcrypto" "libcrypto.dylib" "cdecl" add-library ] }
    { [ os unix? ] [ "libcrypto" "libcrypto.so" "cdecl" add-library ] }
} cond
>>

STRUCT: bio-method
    { type int }
    { name void* }
    { bwrite void* }
    { bread void* }
    { bputs void* }
    { bgets void* }
    { ctrl void* }
    { create void* }
    { destroy void* }
    { callback-ctrl void* } ;

STRUCT: bio
    { method void* }
    { callback void* }
    { cb-arg void* }
    { init int }
    { shutdown int }
    { flags int }
    { retry-reason int }
    { num int }
    { ptr void* }
    { next-bio void* }
    { prev-bio void* }
    { references int } 
    { num-read ulong }
    { num-write ulong } 
    { crypto-ex-data-stack void* }
    { crypto-ex-data-dummy int } ;

CONSTANT: BIO_NOCLOSE       HEX: 00
CONSTANT: BIO_CLOSE         HEX: 01

CONSTANT: RSA_3             HEX: 3
CONSTANT: RSA_F4            HEX: 10001

CONSTANT: BIO_C_SET_SSL     109
CONSTANT: BIO_C_GET_SSL     110

LIBRARY: libcrypto

! ===============================================
! bio.h
! ===============================================

FUNCTION: bio* BIO_new_file ( c-string filename, c-string mode ) ;

FUNCTION: int BIO_printf ( bio* bio, c-string format ) ;

FUNCTION: long BIO_ctrl ( void* bio, int cmd, long larg, void* parg ) ;

FUNCTION: void* BIO_new_socket ( int fd, int close-flag ) ;

FUNCTION: void* BIO_new ( void* method ) ;

FUNCTION: int BIO_set ( void* bio, void* method ) ;

FUNCTION: int BIO_free ( void* bio ) ;

FUNCTION: void* BIO_push ( void* bio, void* append ) ;

FUNCTION: int BIO_read ( void* b, void* buf, int len ) ;

FUNCTION: int BIO_gets ( void* b, c-string buf, int size ) ;

FUNCTION: int BIO_write ( void* b, void* buf, int len ) ;

FUNCTION: int BIO_puts ( void* bp, c-string buf ) ;

FUNCTION: ulong ERR_get_error (  ) ;

FUNCTION: void ERR_clear_error ( ) ;

FUNCTION: c-string ERR_error_string ( ulong e, void* buf ) ;

FUNCTION: void* BIO_f_buffer (  ) ;

! ===============================================
! evp.h
! ===============================================

CONSTANT: EVP_MAX_MD_SIZE 64

C-TYPE: EVP_MD
C-TYPE: ENGINE

STRUCT: EVP_MD_CTX
    { digest EVP_MD* }
    { engine ENGINE* }
    { flags ulong }
    { md_data void* } ;

! Initialize ciphers and digest tables
FUNCTION: void OpenSSL_add_all_ciphers (  ) ;

FUNCTION: void OpenSSL_add_all_digests (  ) ;

! Clean them up before exiting
FUNCTION: void EVP_cleanup (  ) ;

FUNCTION: EVP_MD* EVP_get_digestbyname ( c-string name ) ;

FUNCTION: void EVP_MD_CTX_init ( EVP_MD* ctx ) ;

FUNCTION: int EVP_MD_CTX_cleanup ( EVP_MD_CTX* ctx ) ;

FUNCTION: EVP_MD_CTX* EVP_MD_CTX_create ( ) ;

FUNCTION: void EVP_MD_CTX_destroy ( EVP_MD_CTX* ctx ) ;

FUNCTION: int EVP_MD_CTX_copy_ex ( EVP_MD_CTX* out, EVP_MD_CTX* in ) ;  

FUNCTION: int EVP_DigestInit_ex ( EVP_MD_CTX* ctx, EVP_MD* type, ENGINE* impl ) ;

FUNCTION: int EVP_DigestUpdate ( EVP_MD_CTX* ctx, void* d, uint cnt ) ;

FUNCTION: int EVP_DigestFinal_ex ( EVP_MD_CTX* ctx, void* md, uint* s ) ;

FUNCTION: int EVP_Digest ( void* data, uint count, void* md, uint* size, EVP_MD* type, ENGINE* impl ) ;

FUNCTION: int EVP_MD_CTX_copy ( EVP_MD_CTX* out, EVP_MD_CTX* in ) ;  

FUNCTION: int EVP_DigestInit ( EVP_MD_CTX* ctx, EVP_MD* type ) ;

FUNCTION: int EVP_DigestFinal ( EVP_MD_CTX* ctx, void* md, uint* s ) ;

FUNCTION: void* PEM_read_bio_DHparams ( void* bp, void* x, void* cb,
                                        void* u ) ;

! ===============================================
! rsa.h
! ===============================================

FUNCTION: void* RSA_generate_key ( int num, ulong e, void* callback,
                                   void* cb_arg ) ;

FUNCTION: int RSA_check_key ( void* rsa ) ;

FUNCTION: void RSA_free ( void* rsa ) ;

FUNCTION: int RSA_print_fp ( void* fp, void* x, int offset ) ;

! ===============================================
! objects.h
! ===============================================

FUNCTION: int OBJ_sn2nid ( c-string s ) ;

! ===============================================
! bn.h
! ===============================================

FUNCTION: int BN_num_bits ( void* a ) ;

FUNCTION: void* BN_bin2bn ( void* s, int len, void* ret ) ;

FUNCTION: int BN_bn2bin ( void* a, void* to ) ;

FUNCTION: void BN_clear_free ( void* a ) ;

! ===============================================
! ec.h
! ===============================================

CONSTANT: POINT_CONVERSION_COMPRESSED 2
CONSTANT: POINT_CONVERSION_UNCOMPRESSED 4
CONSTANT: POINT_CONVERSION_HYBRID 6

FUNCTION: int EC_GROUP_get_degree ( void* group ) ;

FUNCTION: void* EC_POINT_new ( void* group ) ;

FUNCTION: void EC_POINT_clear_free ( void* point ) ;

FUNCTION: int EC_POINT_point2oct ( void* group, void* point, int form, void* buf, int len, void* ctx ) ;

FUNCTION: int EC_POINT_oct2point ( void* group, void* point, void* buf, int len, void* ctx ) ;

FUNCTION: void* EC_KEY_new_by_curve_name ( int nid ) ;

FUNCTION: void EC_KEY_free ( void* r ) ;

FUNCTION: int EC_KEY_set_private_key ( void* key, void* priv_key ) ;

FUNCTION: int EC_KEY_set_public_key ( void* key, void* pub_key ) ;

FUNCTION: int EC_KEY_generate_key ( void* eckey ) ;

FUNCTION: void* EC_KEY_get0_group ( void* key ) ;

FUNCTION: void* EC_KEY_get0_private_key ( void* key ) ;

FUNCTION: void* EC_KEY_get0_public_key ( void* key ) ;

! ===============================================
! ecdsa.h
! ===============================================

FUNCTION: int ECDSA_size ( void* eckey ) ;

FUNCTION: int ECDSA_sign ( int type, void* dgst, int dgstlen, void* sig, void* siglen, void* eckey ) ;

FUNCTION: int ECDSA_verify ( int type, void* dgst, int dgstlen, void* sig, int siglen, void* eckey ) ;