29 typedef gcry_md_hd_t SHACTX;
    30 typedef gcry_md_hd_t SHA256CTX;
    31 typedef gcry_md_hd_t SHA384CTX;
    32 typedef gcry_md_hd_t SHA512CTX;
    33 typedef gcry_md_hd_t MD5CTX;
    34 typedef gcry_md_hd_t HMACCTX;
    36 #define SHA_DIGEST_LENGTH 20    37 #define SHA_DIGEST_LEN SHA_DIGEST_LENGTH    38 #define MD5_DIGEST_LEN 16    39 #define SHA256_DIGEST_LENGTH 32    40 #define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH    41 #define SHA384_DIGEST_LENGTH 48    42 #define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH    43 #define SHA512_DIGEST_LENGTH 64    44 #define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH    46 #ifndef EVP_MAX_MD_SIZE    47 #define EVP_MAX_MD_SIZE 64    50 #define EVP_DIGEST_LEN EVP_MAX_MD_SIZE    52 typedef gcry_mpi_t bignum;
    55 int my_gcry_dec2bn(bignum *bn, 
const char *data);
    56 char *my_gcry_bn2dec(bignum bn);
    58 #define bignum_new() gcry_mpi_new(0)    59 #define bignum_free(num) gcry_mpi_release(num)    60 #define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n)    61 #define bignum_bin2bn(bn,datalen,data) gcry_mpi_scan(data,GCRYMPI_FMT_USG,bn,datalen,NULL)    62 #define bignum_bn2dec(num) my_gcry_bn2dec(num)    63 #define bignum_dec2bn(num, data) my_gcry_dec2bn(data, num)    64 #define bignum_bn2hex(num,data) gcry_mpi_aprint(GCRYMPI_FMT_HEX,data,NULL,num)    65 #define bignum_hex2bn(num,datalen,data) gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,datalen,NULL)    66 #define bignum_rand(num,bits) gcry_mpi_randomize(num,bits,GCRY_STRONG_RANDOM),gcry_mpi_set_bit(num,bits-1),gcry_mpi_set_bit(num,0)    67 #define bignum_mod_exp(dest,generator,exp,modulo) gcry_mpi_powm(dest,generator,exp,modulo)    68 #define bignum_num_bits(num) gcry_mpi_get_nbits(num)    69 #define bignum_num_bytes(num) ((gcry_mpi_get_nbits(num)+7)/8)    70 #define bignum_is_bit_set(num,bit) gcry_mpi_test_bit(num,bit)    71 #define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num)    72 #define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2)    76 struct ssh_cipher_struct *ssh_get_ciphertab(
void);