diff options
Diffstat (limited to 'include/libssh/libgcrypt.h')
| -rw-r--r-- | include/libssh/libgcrypt.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/include/libssh/libgcrypt.h b/include/libssh/libgcrypt.h index 56956637..0d5d6c1b 100644 --- a/include/libssh/libgcrypt.h +++ b/include/libssh/libgcrypt.h @@ -50,6 +50,7 @@ typedef gcry_md_hd_t EVPCTX; #define EVP_DIGEST_LEN EVP_MAX_MD_SIZE typedef gcry_mpi_t bignum; +typedef void* bignum_CTX; /* Constants for curves. */ #define NID_gcrypt_nistp256 0 @@ -59,6 +60,7 @@ typedef gcry_mpi_t bignum; /* missing gcrypt functions */ int ssh_gcry_dec2bn(bignum *bn, const char *data); char *ssh_gcry_bn2dec(bignum bn); +int ssh_gcry_rand_range(bignum rnd, bignum max); #define bignum_new() gcry_mpi_new(0) #define bignum_safe_free(num) do { \ @@ -67,20 +69,28 @@ char *ssh_gcry_bn2dec(bignum bn); (num)=NULL; \ } \ } while (0) -#define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n) -#define bignum_bin2bn(bn,datalen,data) gcry_mpi_scan(data,GCRYMPI_FMT_USG,bn,datalen,NULL) +#define bignum_free(num) gcry_mpi_release(num) +#define bignum_ctx_new() NULL +#define bignum_ctx_free(ctx) do {(ctx) = NULL;} while(0) +#define bignum_ctx_invalid(ctx) (ctx != NULL) +#define bignum_set_word(bn,n) (gcry_mpi_set_ui(bn,n)!=NULL ? 1 : 0) +#define bignum_bin2bn(data,datalen,dest) gcry_mpi_scan(dest,GCRYMPI_FMT_USG,data,datalen,NULL) #define bignum_bn2dec(num) ssh_gcry_bn2dec(num) #define bignum_dec2bn(num, data) ssh_gcry_dec2bn(data, num) #define bignum_bn2hex(num,data) gcry_mpi_aprint(GCRYMPI_FMT_HEX,data,NULL,num) -#define bignum_hex2bn(num,datalen,data) gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,datalen,NULL) -#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) -#define bignum_mod_exp(dest,generator,exp,modulo) gcry_mpi_powm(dest,generator,exp,modulo) +#define bignum_hex2bn(data, num) (gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,0,NULL)==0?1:0) +#define bignum_rand(num,bits) 1,gcry_mpi_randomize(num,bits,GCRY_STRONG_RANDOM),gcry_mpi_set_bit(num,bits-1),gcry_mpi_set_bit(num,0) +#define bignum_mod_exp(dest,generator,exp,modulo, ctx) 1,gcry_mpi_powm(dest,generator,exp,modulo) #define bignum_num_bits(num) gcry_mpi_get_nbits(num) #define bignum_num_bytes(num) ((gcry_mpi_get_nbits(num)+7)/8) #define bignum_is_bit_set(num,bit) gcry_mpi_test_bit(num,bit) #define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num) #define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2) - +#define bignum_rshift1(dest, src) gcry_mpi_rshift (dest, src, 1) +#define bignum_add(dst, a, b) gcry_mpi_add(dst, a, b) +#define bignum_sub(dst, a, b) gcry_mpi_sub(dst, a, b) +#define bignum_mod(dst, a, b, ctx) 1,gcry_mpi_mod(dst, a, b) +#define bignum_rand_range(rnd, max) ssh_gcry_rand_range(rnd, max); /* Helper functions for data conversions. */ /* Extract an MPI from the given s-expression SEXP named NAME which is |