diff options
author | 2015-09-04 09:25:34 +0200 | |
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committer | 2015-09-04 09:25:34 +0200 | |
commit | 3baeb11a8fbcfcdbc31976d421f17b85503b3ecd (patch) | |
tree | 04891d88c1127148f1b390b5a24414e85b270aee /moon-abe/pbc-0.5.14/pbc/oldpbc.c | |
parent | 67c5b73910f5fc437429c356978081b252a59480 (diff) |
init attribute-based encryption
Change-Id: Iba1a3d722110abf747a0fba366f3ebc911d25b25
Diffstat (limited to 'moon-abe/pbc-0.5.14/pbc/oldpbc.c')
-rw-r--r-- | moon-abe/pbc-0.5.14/pbc/oldpbc.c | 1221 |
1 files changed, 1221 insertions, 0 deletions
diff --git a/moon-abe/pbc-0.5.14/pbc/oldpbc.c b/moon-abe/pbc-0.5.14/pbc/oldpbc.c new file mode 100644 index 00000000..525fe8f2 --- /dev/null +++ b/moon-abe/pbc-0.5.14/pbc/oldpbc.c @@ -0,0 +1,1221 @@ +// Pairing-Based Calculator. +// Mainly for demonstration purposes. +// +// It's times like these I wish C had garbage collection. + +#include <string.h> +#include <ctype.h> +#include <stdarg.h> +#include <unistd.h> //for getopt +#include "pbc.h" +#include "pbc_z.h" +#include "pbc_fp.h" + +#include "misc/darray.h" +#include "misc/symtab.h" + +char *pbc_getline(const char *); + +enum { + t_none = 0, + t_id, + t_int, + t_string, + t_comma, + t_lparen, + t_rparen, + t_add, + t_sub, + t_mul, + t_div, + t_set, + t_pow, + t_unk, + t_function, + t_pairing, + t_element, + t_field, + t_err, +}; + +enum { + pe_expect_factor = 100, + pe_expect_rparen, + pe_arglist, + re_varnotfound = 200, + re_badlvalue, + re_funnotfound, + re_unimplemented, + re_badargcount, + re_badarg, + re_fieldmismatch, +}; + +static int option_echo = 0; + +static field_t Z; + +static int tok_type; +//TODO: dynamic allocation: +static char word[1024]; + +struct id_s { + char *data; + int alloc; +}; +typedef struct id_s *id_ptr; + +id_ptr id_new(char *id) { + id_ptr res = pbc_malloc(sizeof(struct id_s)); + res->alloc = strlen(id) + 1; + res->data = pbc_malloc(res->alloc); + strcpy(res->data, id); + return res; +} + +void id_delete(id_ptr id) { + pbc_free(id->data); + pbc_free(id); +} + +struct tree_s { + int type; + void *data; + darray_t child; +}; +typedef struct tree_s *tree_ptr; + +tree_ptr tree_new(int type, void *data) { + tree_ptr res = pbc_malloc(sizeof(struct tree_s)); + res->type = type; + res->data = data; + darray_init(res->child); + return res; +} + +static void delete_child(void *p) { + tree_delete(p); +} + +void tree_delete(tree_ptr t) { + darray_forall(t->child, delete_child); + darray_clear(t->child); + switch(t->type) { + case t_id: + case t_string: + case t_function: + case t_int: + id_delete(t->data); + break; + } + pbc_free(t); +} + +static char *currentline; +static char *lexcp; + + +static void lex(void) { + char c; + if (!lexcp) { + tok_type = t_none; + return; + } + c = *lexcp++; + skipwhitespace: + for (;;) { + if (!strchr(" \t\r\n", c)) break; + if (!c) { + tok_type = t_none; + return; + } + c = *lexcp++; + } + + //comments start with '#' and end at a newline + if (c == '#') { + for (;;) { + c = *lexcp++; + if (!c) { + tok_type = t_none; + return; + } + if (c == '\n') break; + } + goto skipwhitespace; + } + + //strings + if (c == '"') { + tok_type = t_string; + int i = 0; + for (;;) { + c = *lexcp++; + if (!c) { + //string continues on next line + word[i++] = '\n'; + pbc_free(currentline); + currentline = pbc_getline(NULL); + if (!currentline) break; + if (option_echo) puts(currentline); + lexcp = currentline; + c = *lexcp++; + } + if (c == '"') { + break; + } + word[i++] = c; + } + word[i] = '\0'; + return; + } + + if (isdigit(c)) { + tok_type = t_int; + word[0] = c; + + int i = 1; + for (;;) { + c = *lexcp++; + if (isdigit(c)) { + word[i++] = c; + } else { + word[i] = '\0'; + lexcp--; + break; + } + } + return; + } + + if (isalpha(c) || c == '_') { + tok_type = t_id; + word[0] = c; + + int i = 1; + for (;;) { + c = *lexcp++; + if (isalnum(c) || c == '_') { + word[i++] = c; + } else { + word[i] = '\0'; + lexcp--; + break; + } + } + return; + } + + switch(c) { + case ',': + tok_type = t_comma; + break; + case '=': + tok_type = t_set; + break; + case '^': + tok_type = t_pow; + break; + case '*': + tok_type = t_mul; + break; + case '/': + tok_type = t_div; + break; + case '+': + tok_type = t_add; + break; + case '-': + tok_type = t_sub; + break; + case '(': + tok_type = t_lparen; + break; + case ')': + tok_type = t_rparen; + break; + default: + tok_type = t_unk; + break; + } +} + +static int lastparseerror; +static void setparseerror(int i) { + lastparseerror = i; +} + +static tree_ptr parsesetexpr(void); + +static tree_ptr parseexprlist(tree_ptr t) { + tree_ptr c; + lex(); // expect lparen + if (tok_type == t_rparen) { + lex(); + return t; + } + c = parsesetexpr(); + if (!c) return NULL; + darray_append(t->child, c); + for (;;) { + if (tok_type == t_rparen) { + lex(); + return t; + } + if (tok_type != t_comma) { + setparseerror(pe_arglist); + return NULL; + } + lex(); //expect comma + c = parsesetexpr(); + if (!c) return NULL; + darray_append(t->child, c); + } +} + +static tree_ptr parseprimitive(void) { + tree_ptr t; + switch(tok_type) { + id_ptr id; + case t_id: + id = id_new(word); + lex(); + if (tok_type == t_lparen) { + if (parseexprlist(t = tree_new(t_function, id))) { + return t; + } + tree_delete(t); + return NULL; + } else { + return tree_new(t_id, id); + } + case t_string: + lex(); + return tree_new(t_string, id_new(word)); + case t_lparen: + lex(); + t = parsesetexpr(); + if (!t) return NULL; + if (tok_type != t_rparen) { + tree_delete(t); + setparseerror(pe_expect_rparen); + return NULL; + } + lex(); + return t; + case t_int: + id = id_new(word); + lex(); + return tree_new(t_int, id); + default: + setparseerror(pe_expect_factor); + return NULL; + } +} + +static tree_ptr parsepow(void) { + tree_ptr t1; + t1 = parseprimitive(); + if (tok_type == t_pow) { + tree_ptr t2, res; + lex(); + t2 = parseprimitive(); + if (!t2) { + tree_delete(t1); + return NULL; + } + res = tree_new(t_function, id_new("pow")); + darray_append(res->child, t1); + darray_append(res->child, t2); + return res; + } + return t1; +} + +static tree_ptr parsefactor(void) { + tree_ptr t; + if (tok_type == t_sub) { + lex(); + t = parsefactor(); + if (!t) return NULL; + tree_ptr t1 = tree_new(t_function, id_new("neg")); + darray_append(t1->child, t); + return t1; + } + + t = parsepow(); + return t; +} + +static tree_ptr parseterm(void) { + tree_ptr t1, t2, res; + res = parsefactor(); + if (!res) return NULL; + for (;;) { + switch(tok_type) { + case t_mul: + lex(); + t2 = parsefactor(); + if (!t2) { + tree_delete(res); + return NULL; + } + t1 = tree_new(t_function, id_new("mul")); + darray_append(t1->child, res); + darray_append(t1->child, t2); + res = t1; + break; + case t_div: + lex(); + t2 = parsefactor(); + if (!t2) { + tree_delete(res); + return NULL; + } + t1 = tree_new(t_function, id_new("div")); + darray_append(t1->child, res); + darray_append(t1->child, t2); + res = t1; + break; + default: + return res; + } + } +} + +static tree_ptr parseexpr(void) { + tree_ptr t1, t2, res; + res = parseterm(); + if (!res) { + return NULL; + } + for (;;) { + switch(tok_type) { + case t_add: + lex(); + t2 = parseterm(); + if (!t2) { + tree_delete(res); + return NULL; + } + //t1 = tree_new(t_add, NULL); + t1 = tree_new(t_function, id_new("add")); + darray_append(t1->child, res); + darray_append(t1->child, t2); + res = t1; + break; + case t_sub: + lex(); + t2 = parseterm(); + if (!t2) { + tree_delete(res); + return NULL; + } + //t1 = tree_new(t_sub, NULL); + t1 = tree_new(t_function, id_new("sub")); + darray_append(t1->child, res); + darray_append(t1->child, t2); + res = t1; + break; + default: + return res; + } + } +} + +static tree_ptr parsesetexpr(void) { + tree_ptr t1, t2, res; + t1 = parseexpr(); + if (!t1) return NULL; + if (tok_type == t_set) { + lex(); + t2 = parsesetexpr(); + if (!t2) { + tree_delete(t1); + return NULL; + } + res = tree_new(t_set, NULL); + darray_append(res->child, t1); + darray_append(res->child, t2); + return res; + } + return t1; +} + +static void print_tree(tree_ptr t) { + id_ptr id; + int i; + if (!t) { + printf("NULL"); + return; + } + switch (t->type) { + case t_set: + print_tree(t->child->item[0]); + printf(" = "); + print_tree(t->child->item[1]); + break; + case t_id: + id = t->data; + printf("%s", id->data); + break; + case t_function: + id = t->data; + printf("%s(", id->data); + for (i=0; i<t->child->count; i++) { + print_tree(t->child->item[i]); + if (i < t->child->count - 1) printf(", "); + } + printf(")"); + break; + default: + printf("?!?"); + break; + } +} + +static symtab_t var; +static symtab_t builtin; + +struct val_s { + int type; + void *data; +}; +typedef struct val_s *val_ptr; + +static int lastruntimeerror; +static val_ptr newruntimeerror(int i) { + val_ptr res = pbc_malloc(sizeof(struct val_s)); + lastruntimeerror = i; + res->type = t_err; + res->data = int_to_voidp(i); + return res; +} + +val_ptr val_new(int type, void *data) { + val_ptr res = pbc_malloc(sizeof(struct val_s)); + res->type = type; + res->data = data; + return res; +} + +static void val_print(val_ptr v) { + pairing_ptr pairing; + field_ptr field; + element_ptr e; + switch (v->type) { + case t_element: + e = v->data; + element_out_str(stdout, 0, e); + printf("\n"); + break; + case t_pairing: + pairing = v->data; + printf("pairing: G1bits=%d G2bits=%d GTbits=%d\n", + pairing_length_in_bytes_x_only_G1(pairing) * 8, + pairing_length_in_bytes_x_only_G2(pairing) * 8, + pairing_length_in_bytes_GT(pairing) * 8); + break; + case t_field: + field = v->data; + field_out_info(stdout, field); + break; + case t_string: + printf("%s", (char *) v->data); + break; + default: + printf("val type %d unknown\n", v->type); + break; + } +} + +val_ptr val_copy(val_ptr v) { + val_ptr res = pbc_malloc(sizeof(struct val_s)); + res->type = v->type; + if (v->type == t_element) { + //current policy: always clear elements, always copy elements + res->data = pbc_malloc(sizeof(element_t)); + element_ptr e = v->data; + element_init(res->data, e->field); + element_set(res->data, e); + } else if (v->type == t_string) { + res->data = pbc_strdup(v->data); + } else { + res->data = v->data; + } + + return res; +} + +void val_delete(val_ptr v) { + switch(v->type) { + case t_element: + //current policy: always clear elements, always copy elements + element_clear(v->data); + pbc_free(v->data); + break; + case t_string: + pbc_free(v->data); + break; + case t_err: + break; + case t_pairing: + break; + case t_field: + break; + default: + printf("val_delete: case %d not handled: memory leak\n", v->type); + break; + } + pbc_free(v); +} + +struct fun_s { + val_ptr (*f)(darray_ptr); + int arity; + int type[32]; //TODO: replace with darray? who needs more than 32 args? +}; + +typedef val_ptr (*fun)(darray_ptr); + +static val_ptr check_arg(darray_ptr arg, int n, ...) { + va_list ap; + int i; + val_ptr res = NULL; + + va_start(ap, n); + if (arg->count != n) { + printf("expect %d argument(s)\n", n); + res = newruntimeerror(re_badargcount); + } else for (i=0; i<n; i++) { + int t = va_arg(ap, int); + val_ptr vp = arg->item[i]; + if (vp->type != t) { + printf("arg not type %d\n", t); + return newruntimeerror(re_badarg); + break; + } + } + + va_end(ap); + return res; +} + +static val_ptr f_pairing_get_group( + field_ptr (*get_group)(pairing_ptr p), darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 1, t_pairing); + if (res) return res; + val_ptr a0 = arg->item[0]; + pairing_ptr pairing = a0->data; + res = val_new(t_field, get_group(pairing)); + return res; +} + +static val_ptr f_pairing_G1(darray_ptr arg) { + field_ptr getG1(pairing_ptr p) { return p->G1; } + return f_pairing_get_group(getG1, arg); +} + +static val_ptr f_pairing_G2(darray_ptr arg) { + field_ptr getG2(pairing_ptr p) { return p->G2; } + return f_pairing_get_group(getG2, arg); +} + +static val_ptr f_pairing_GT(darray_ptr arg) { + field_ptr getGT(pairing_ptr p) { return p->GT; } + return f_pairing_get_group(getGT, arg); +} + +static val_ptr f_pairing_Zr(darray_ptr arg) { + field_ptr getZr(pairing_ptr p) { return p->Zr; } + return f_pairing_get_group(getZr, arg); +} + +static val_ptr f_random(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 1, t_field); + if (res) return res; + val_ptr a0 = arg->item[0]; + field_ptr f = a0->data; + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, f); + element_random(e); + res = val_new(t_element, e); + return res; +} + +static val_ptr f_order(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 1, t_field); + if (res) return res; + val_ptr a0 = arg->item[0]; + field_ptr f = a0->data; + + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, Z); + element_set_mpz(e, f->order); + res = val_new(t_element, e); + return res; +} + +static val_ptr f_unary( + void (*unary)(element_ptr, element_ptr), darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 1, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + element_ptr e0 = a0->data; + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, e0->field); + unary(e, e0); + res = val_new(t_element, e); + return res; +} + +static val_ptr f_bin_op( + void (*binop)(element_ptr, element_ptr, element_ptr), + darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_element, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + if (e0->field != e1->field) { + printf("field mismatch!\n"); + return newruntimeerror(re_fieldmismatch); + } + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, e0->field); + binop(e, e0, e1); + res = val_new(t_element, e); + return res; +} + + +static val_ptr f_add(darray_ptr arg) { + return f_bin_op(element_add, arg); +} + +static val_ptr f_mul(darray_ptr arg) { + return f_bin_op(element_mul, arg); +} + +static val_ptr f_sub(darray_ptr arg) { + return f_bin_op(element_sub, arg); +} + +static val_ptr f_div(darray_ptr arg) { + return f_bin_op(element_div, arg); +} + +static val_ptr f_inv(darray_ptr arg) { + return f_unary(element_invert, arg); +} + +static val_ptr f_neg(darray_ptr arg) { + return f_unary(element_neg, arg); +} + +static val_ptr f_pow(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_element, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + element_ptr e = pbc_malloc(sizeof(element_t)); + mpz_t z; + mpz_init(z); + element_to_mpz(z, e1); + element_init(e, e0->field); + element_pow_mpz(e, e0, z); + res = val_new(t_element, e); + mpz_clear(z); + return res; +} + +static pairing_ptr current_pairing; +static val_ptr f_pairing(darray_ptr arg) { + val_ptr res; + if (arg->count != 2) { + printf("expect two arguments\n"); + return newruntimeerror(re_badargcount); + } + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + if (a0->type != t_element) { + printf("arg 1 not element!\n"); + return newruntimeerror(re_badarg); + } + if (a1->type != t_element) { + printf("arg 2 not element!\n"); + return newruntimeerror(re_badarg); + } + pairing_ptr p; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + p = e0->field->pairing; + if (e0->field != p->G1) { + printf("arg 1 not from G1!\n"); + return newruntimeerror(re_badarg); + } + if (e1->field != p->G2) { + printf("arg 2 not from G2!\n"); + return newruntimeerror(re_badarg); + } + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, p->GT); + pairing_apply(e, e0, e1, p); + res = val_new(t_element, e); + return res; +} + +static val_ptr execute_tree(tree_ptr t) { + darray_t arg; + id_ptr id; + fun fn; + int i; + val_ptr res, v; + tree_ptr t1, t2; + + switch (t->type) { + case t_id: + id = t->data; + v = symtab_at(var, id->data); + if (!v) { + return newruntimeerror(re_varnotfound); + } + return val_copy(v); + case t_set: + t1 = t->child->item[0]; + if (t1->type != t_id) { + return newruntimeerror(re_badlvalue); + } + t2 = t->child->item[1]; + v = execute_tree(t2); + if (v->type == t_err) return v; + id = t1->data; + // clear what's there first + if ((res = symtab_at(var, id->data))) { + val_delete(res); + } + symtab_put(var, v, id->data); + v = symtab_at(var, id->data); + return val_copy(v); + case t_function: + id = t->data; + fn = symtab_at(builtin, id->data); + if (!fn) { + return newruntimeerror(re_funnotfound); + } + darray_init(arg); + for (i=0; i<t->child->count; i++) { + v = execute_tree(t->child->item[i]); + if (v->type == t_err) { + darray_forall(arg, (void (*)(void *)) val_delete); + return v; + } + darray_append(arg, v); + } + res = fn(arg); + for (i=0; i<arg->count; i++) { + val_delete(arg->item[i]); + } + darray_clear(arg); + return res; + case t_int: + id = t->data; + char *cp; + mpz_t z; + mpz_init(z); + for (cp = id->data; *cp; cp++) { + mpz_mul_ui(z, z, 10); + mpz_add_ui(z, z, *cp - '0'); + } + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, Z); + element_set_mpz(e, z); + mpz_clear(z); + return val_new(t_element, e); + case t_string: + id = t->data; + return val_new(t_string, pbc_strdup(id->data)); + default: + return newruntimeerror(re_unimplemented); + } +} + +static void parseline(void) { + val_ptr v; + + tree_ptr t; + lex(); + if (tok_type == t_none) return; + t = parsesetexpr(); + if (0) { + print_tree(t); + printf("\n"); + } + if (t) { + v = execute_tree(t); + if (v) { + if (v->type == t_err) { + printf("runtime error (error code = %d)\n", lastruntimeerror); + } else { + if (t->type != t_set) val_print(v); + } + val_delete(v); + } + tree_delete(t); + } else { + printf("parse error (error code = %d)\n", lastparseerror); + } +} + +static char *aparam = +"type a\n" +"q 8780710799663312522437781984754049815806883199414208211028653399266475630880222957078625179422662221423155858769582317459277713367317481324925129998224791\n" +"h 12016012264891146079388821366740534204802954401251311822919615131047207289359704531102844802183906537786776\n" +"r 730750818665451621361119245571504901405976559617\n" +"exp2 159\n" +"exp1 107\n" +"sign1 1\n" +"sign0 1\n"; + +static char *dparam = +"type d\n" +"q 625852803282871856053922297323874661378036491717\n" +"n 625852803282871856053923088432465995634661283063\n" +"h 3\n" +"r 208617601094290618684641029477488665211553761021\n" +"a 581595782028432961150765424293919699975513269268\n" +"b 517921465817243828776542439081147840953753552322\n" +"k 6\n" +"nk 60094290356408407130984161127310078516360031868417968262992864809623507269833854678414046779817844853757026858774966331434198257512457993293271849043664655146443229029069463392046837830267994222789160047337432075266619082657640364986415435746294498140589844832666082434658532589211525696\n" +"hk 1380801711862212484403205699005242141541629761433899149236405232528956996854655261075303661691995273080620762287276051361446528504633283152278831183711301329765591450680250000592437612973269056\n" +"coeff0 472731500571015189154958232321864199355792223347\n" +"coeff1 352243926696145937581894994871017455453604730246\n" +"coeff2 289113341693870057212775990719504267185772707305\n" +"nqr 431211441436589568382088865288592347194866189652\n"; + +static char *eparam = +"type e\n" +"q 7245986106510086080714203333362098431608853335867425877960916928496629182991629664903654100214900946450053872786629995869445693724001299041657434948257845644905153122838458864000479326695430719258600053239930483226650953770354174712511646273516974069245462534034085895319225452125649979474047163305307830001\n" +"r 730750862221594424981965739670091261094297337857\n" +"h 13569343110918781839835249021482970252603216587988030044836106948825516930173270978617489032334001006615524543925753725725046733884363846960470444404747241287743773746682188521738728797153760275116924829183670000\n" +"a 7130970454025799000067946137594446075551569949583815943390108723282396973737794273397246892274981883807989525599540630855644968426794929215599380425269625872763801485968007136000471718335185787206876242871042697778608875139078711621836858237429403052273312335081163896980825048123655535355411494046493419999\n" +"b 7169309004853894693616698536183663527570664411678352588247044791687141043489072737232715961588288238022010974661903752526911876859197052490952065266265699130144252031591491045333807587788600764557450846327338626261289568016170532652061787582791926724597362401398804563093625182790987016728290050466098223333\n" +"exp2 159\n" +"exp1 135\n" +"sign1 1\n" +"sign0 1\n"; + +static char *fparam = +"type f\n" +"q 205523667896953300194896352429254920972540065223\n" +"r 205523667896953300194895899082072403858390252929\n" +"b 40218105156867728698573668525883168222119515413\n" +"beta 115334401956802802075595682801335644058796914268\n" +"alpha0 191079354656274778837764015557338301375963168470\n" +"alpha1 71445317903696340296199556072836940741717506375\n"; + +static char *gparam = +"type g\n" +"q 503189899097385532598615948567975432740967203\n" +"n 503189899097385532598571084778608176410973351\n" +"h 1\n" +"r 503189899097385532598571084778608176410973351\n" +"a 465197998498440909244782433627180757481058321\n" +"b 463074517126110479409374670871346701448503064\n" +"k 10\n" +"nk 1040684643531490707494989587381629956832530311976146077888095795458709511789670022388326295177424065807612879371896982185473788988016190582073591316127396374860265835641044035656044524481121528846249501655527462202999638159773731830375673076317719519977183373353791119388388468745670818193868532404392452816602538968163226713846951514831917487400267590451867746120591750902040267826351982737642689423713163967384383105678367875981348397359466338807\n" +"hk 4110127713690841149713310614420858884651261781185442551927080083178682965171097172366598236129731931693425629387502221804555636704708008882811353539555915064049685663790355716130262332064327767695339422323460458479884756000782939428852120522712008037615051139080628734566850259704397643028017435446110322024094259858170303605703280329322675124728639532674407\n" +"coeff0 67343110967802947677845897216565803152319250\n" +"coeff1 115936772834120270862756636148166314916823221\n" +"coeff2 87387877425076080433559927080662339215696505\n" +"coeff3 433223145899090928132052677121692683015058909\n" +"coeff4 405367866213598664862417230702935310328613596\n" +"nqr 22204504160560785687198080413579021865783099\n"; + +static pairing_t pairing_A, pairing_D, pairing_E, pairing_F, pairing_G; + +static void set_pairing_groups(pairing_ptr p) { + symtab_put(var, val_new(t_field, p->G1), "G1"); + symtab_put(var, val_new(t_field, p->G2), "G2"); + symtab_put(var, val_new(t_field, p->GT), "GT"); + symtab_put(var, val_new(t_field, p->Zr), "Zr"); + symtab_put(var, val_new(t_pairing, p), "current_pairing"); + current_pairing = p; +} + +static val_ptr f_init_pairing(darray_ptr arg) { + val_ptr res; + + res = check_arg(arg, 1, t_pairing); + if (res) return res; + + val_ptr a0 = arg->item[0]; + pairing_ptr p = a0->data; + set_pairing_groups(p); + return NULL; +} + +static val_ptr f_nextprime(darray_ptr arg) { + mpz_t p; + val_ptr res; + + res = check_arg(arg, 1, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + element_ptr e0 = a0->data; + if (e0->field != Z) { + printf("arg not integer!\n"); + return newruntimeerror(re_badarg); + } + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, Z); + mpz_init(p); + element_to_mpz(p, e0); + mpz_nextprime(p, p); + element_set_mpz(e, p); + res = val_new(t_element, e); + mpz_clear(p); + return res; +} + +static val_ptr f_brute_force_dlog(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_element, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + if (e0->field != e1->field) { + printf("arg field mismatch!\n"); + return newruntimeerror(re_badarg); + } + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, Z); + element_dlog_brute_force(e, e0, e1); + res = val_new(t_element, e); + return res; +} +static val_ptr f_pollard_rho(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 3, t_element, t_element, t_field); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + val_ptr a2 = arg->item[2]; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + if (e0->field != e1->field) { + printf("arg field mismatch!\n"); + return newruntimeerror(re_badarg); + } + field_ptr f = a2->data; + element_ptr e = pbc_malloc(sizeof(element_t)); + element_init(e, f); + element_dlog_pollard_rho(e, e0, e1); + res = val_new(t_element, e); + return res; +} + +static val_ptr f_zz(darray_ptr arg) { + mpz_t p; + val_ptr res; + res = check_arg(arg, 1, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + element_ptr e0 = a0->data; + if (e0->field != Z) { + printf("arg not integer!\n"); + return newruntimeerror(re_badarg); + } + field_ptr f = pbc_malloc(sizeof(field_t)); + mpz_init(p); + element_to_mpz(p, e0); + field_init_fp(f, p); + res = val_new(t_field, f); + mpz_clear(p); + return res; +} + +static val_ptr f_gen_A(darray_ptr arg) { + mpz_t rbits, qbits; + pairing_ptr p; + val_ptr res; + res = check_arg(arg, 2, t_element, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e0 = a0->data; + if (e0->field != Z) { + printf("arg not integer!\n"); + return newruntimeerror(re_badarg); + } + element_ptr e1 = a1->data; + if (e1->field != Z) { + printf("arg not integer!\n"); + return newruntimeerror(re_badarg); + } + mpz_init(rbits); + mpz_init(qbits); + element_to_mpz(rbits, e0); + element_to_mpz(qbits, e1); + //TODO: check rbits and qbits aren't too big + pbc_param_t param; + pbc_param_init_a_gen(param, mpz_get_ui(rbits), mpz_get_ui(qbits)); + p = pbc_malloc(sizeof(pairing_t)); + pairing_init_pbc_param(p, param); + res = val_new(t_pairing, p); + mpz_clear(rbits); + mpz_clear(qbits); + pbc_param_clear(param); + return res; +} + +static val_ptr f_fromZZ(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_element, t_field); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e = a0->data; + field_ptr f = a1->data; + if (e->field != Z) { + printf("arg not integer!\n"); + return newruntimeerror(re_badarg); + } + element_ptr e1 = pbc_malloc(sizeof(element_t)); + element_init(e1, f); + element_set_mpz(e1, e->data); + res = val_new(t_element, e1); + return res; +} + +static val_ptr f_fromstr(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_string, t_field); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + field_ptr f = a1->data; + element_ptr e1 = pbc_malloc(sizeof(element_t)); + element_init(e1, f); + element_set_str(e1, a0->data, 0); + res = val_new(t_element, e1); + return res; +} + +/* I'll probably never finish this :( +static val_ptr f_index_calculus(darray_ptr arg) { + val_ptr res; + res = check_arg(arg, 2, t_element, t_element); + if (res) return res; + val_ptr a0 = arg->item[0]; + val_ptr a1 = arg->item[1]; + element_ptr e0 = a0->data; + element_ptr e1 = a1->data; + element_ptr e = pbc_malloc(sizeof(element_t)); + mpz_t x, g, h, q1; + + //TODO: check e0, e1 are from an integer mod ring + mpz_init(x); + mpz_init(g); + mpz_init(h); + mpz_init(q1); + + mpz_sub_ui(q1, e0->field->order, 1); + + element_init(e, Z); + element_to_mpz(g, e0); + element_to_mpz(h, e1); + pbc_mpz_index_calculus(x, g, h, q1); + element_set_mpz(e, x); + res = val_new(t_element, e); + mpz_clear(x); + mpz_clear(g); + mpz_clear(h); + mpz_clear(q1); + return res; +} +*/ + +int main(int argc, char **argv) { + for (;;) { + int c = getopt(argc, argv, "e"); + if (c == -1) break; + switch (c) { + case 'e': + option_echo = 1; + break; + default: + fprintf(stderr, "unrecognized option: %c\n", c); + break; + } + } + + symtab_init(var); + symtab_init(builtin); + + pairing_init_set_str(pairing_A, aparam); + pairing_init_set_str(pairing_D, dparam); + pairing_init_set_str(pairing_E, eparam); + pairing_init_set_str(pairing_F, fparam); + pairing_init_set_str(pairing_G, gparam); + symtab_put(var, val_new(t_pairing, pairing_A), "A"); + symtab_put(var, val_new(t_pairing, pairing_D), "D"); + symtab_put(var, val_new(t_pairing, pairing_E), "E"); + symtab_put(var, val_new(t_pairing, pairing_F), "F"); + symtab_put(var, val_new(t_pairing, pairing_G), "G"); + + set_pairing_groups(pairing_A); + + symtab_put(builtin, f_init_pairing, "init_pairing"); + symtab_put(builtin, f_pairing_G1, "get_G1"); + symtab_put(builtin, f_pairing_G2, "get_G2"); + symtab_put(builtin, f_pairing_GT, "get_GT"); + symtab_put(builtin, f_pairing_Zr, "get_Zr"); + symtab_put(builtin, f_random, "random"); + symtab_put(builtin, f_random, "rand"); + symtab_put(builtin, f_random, "rnd"); + symtab_put(builtin, f_order, "order"); + symtab_put(builtin, f_order, "ord"); + symtab_put(builtin, f_neg, "neg"); + symtab_put(builtin, f_sub, "sub"); + symtab_put(builtin, f_add, "add"); + symtab_put(builtin, f_pow, "pow"); + symtab_put(builtin, f_mul, "mul"); + symtab_put(builtin, f_inv, "inv"); + symtab_put(builtin, f_inv, "invert"); + symtab_put(builtin, f_div, "div"); + symtab_put(builtin, f_pairing, "pairing"); + symtab_put(builtin, f_nextprime, "nextprime"); + symtab_put(builtin, f_brute_force_dlog, "element_dlog_brute_force"); + symtab_put(builtin, f_pollard_rho, "element_dlog_pollard_rho"); + //symtab_put(builtin, f_index_calculus, "index_calculus"); + symtab_put(builtin, f_zz, "ZZ"); + symtab_put(builtin, f_gen_A, "gen_A"); + symtab_put(builtin, f_fromZZ, "fromZZ"); + symtab_put(builtin, f_fromstr, "fromstr"); + + field_init_z(Z); + + fprintf(stderr, "pbc\n"); + + for (;;) { + currentline = pbc_getline(NULL); + if (!currentline) break; + if (option_echo) puts(currentline); + lexcp = currentline; + parseline(); + free(currentline); + } + return 0; +} |