apps/s_client.c:357: error: MEMORY_LEAK
  memory dynamically allocated by call to `BN_new()` at line 345, column 17 is not reachable after line 357, column 5.
Showing all 102 steps of the trace


apps/s_client.c:341:1: start of procedure srp_Verify_N_and_g()
339.   # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
340.   
341. > static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
342.   {
343.       BN_CTX *bn_ctx = BN_CTX_new();

apps/s_client.c:343:5: 
341.   static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
342.   {
343. >     BN_CTX *bn_ctx = BN_CTX_new();
344.       BIGNUM *p = BN_new();
345.       BIGNUM *r = BN_new();

crypto/bn/bn_ctx.c:188:1: start of procedure BN_CTX_new()
  186.   
  187.   
  188. > BN_CTX *BN_CTX_new(void)
  189.   {
  190.       BN_CTX *ret;

crypto/bn/bn_ctx.c:192:9: 
  190.       BN_CTX *ret;
  191.   
  192. >     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
  193.           BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);
  194.           return NULL;

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
    154.   }
    155.   
    156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158. >     void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
      117.   }
      118.   
      119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121.       void *ret = NULL;

crypto/mem.c:121:5: 
      119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121. >     void *ret = NULL;
      122.   
      123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (num <= 0)
                     ^
      124.           return NULL;
      125.   

crypto/mem.c:126:5: 
      124.           return NULL;
      125.   
      126. >     allow_customize = 0;
      127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
      134.       }
      135.   #else
      136. >     (void)file;
      137.       (void)line;
      138.       ret = malloc(num);

crypto/mem.c:137:5: 
      135.   #else
      136.       (void)file;
      137. >     (void)line;
      138.       ret = malloc(num);
      139.   #endif

crypto/mem.c:138:5: 
      136.       (void)file;
      137.       (void)line;
      138. >     ret = malloc(num);
      139.   #endif
      140.   

crypto/mem.c:153:5: 
      151.   #endif
      152.   
      153. >     return ret;
      154.   }
      155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
      152.   
      153.       return ret;
      154. > }
      155.   
      156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking true branch
    158.       void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)
                   ^
    161.           memset(ret, 0, num);
    162.       return ret;

crypto/mem.c:161:9: 
    159.   
    160.       if (ret != NULL)
    161. >         memset(ret, 0, num);
    162.       return ret;
    163.   }

crypto/mem.c:162:5: 
    160.       if (ret != NULL)
    161.           memset(ret, 0, num);
    162. >     return ret;
    163.   }
    164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
    161.           memset(ret, 0, num);
    162.       return ret;
    163. > }
    164.   
    165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bn/bn_ctx.c:192:9: Taking false branch
  190.       BN_CTX *ret;
  191.   
  192.       if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
                 ^
  193.           BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);
  194.           return NULL;

crypto/bn/bn_ctx.c:197:5: 
  195.       }
  196.       /* Initialise the structure */
  197. >     BN_POOL_init(&ret->pool);
  198.       BN_STACK_init(&ret->stack);
  199.       return ret;

crypto/bn/bn_ctx.c:334:1: start of procedure BN_POOL_init()
    332.   /***********/
    333.   
    334. > static void BN_POOL_init(BN_POOL *p)
    335.   {
    336.       p->head = p->current = p->tail = NULL;

crypto/bn/bn_ctx.c:336:5: 
    334.   static void BN_POOL_init(BN_POOL *p)
    335.   {
    336. >     p->head = p->current = p->tail = NULL;
    337.       p->used = p->size = 0;
    338.   }

crypto/bn/bn_ctx.c:337:5: 
    335.   {
    336.       p->head = p->current = p->tail = NULL;
    337. >     p->used = p->size = 0;
    338.   }
    339.   

crypto/bn/bn_ctx.c:338:1: return from a call to BN_POOL_init
    336.       p->head = p->current = p->tail = NULL;
    337.       p->used = p->size = 0;
    338. > }
    339.   
    340.   static void BN_POOL_finish(BN_POOL *p)

crypto/bn/bn_ctx.c:198:5: 
  196.       /* Initialise the structure */
  197.       BN_POOL_init(&ret->pool);
  198. >     BN_STACK_init(&ret->stack);
  199.       return ret;
  200.   }

crypto/bn/bn_ctx.c:293:1: start of procedure BN_STACK_init()
    291.   /************/
    292.   
    293. > static void BN_STACK_init(BN_STACK *st)
    294.   {
    295.       st->indexes = NULL;

crypto/bn/bn_ctx.c:295:5: 
    293.   static void BN_STACK_init(BN_STACK *st)
    294.   {
    295. >     st->indexes = NULL;
    296.       st->depth = st->size = 0;
    297.   }

crypto/bn/bn_ctx.c:296:5: 
    294.   {
    295.       st->indexes = NULL;
    296. >     st->depth = st->size = 0;
    297.   }
    298.   

crypto/bn/bn_ctx.c:297:1: return from a call to BN_STACK_init
    295.       st->indexes = NULL;
    296.       st->depth = st->size = 0;
    297. > }
    298.   
    299.   static void BN_STACK_finish(BN_STACK *st)

crypto/bn/bn_ctx.c:199:5: 
  197.       BN_POOL_init(&ret->pool);
  198.       BN_STACK_init(&ret->stack);
  199. >     return ret;
  200.   }
  201.   

crypto/bn/bn_ctx.c:200:1: return from a call to BN_CTX_new
  198.       BN_STACK_init(&ret->stack);
  199.       return ret;
  200. > }
  201.   
  202.   BN_CTX *BN_CTX_secure_new(void)

apps/s_client.c:344:5: 
342.   {
343.       BN_CTX *bn_ctx = BN_CTX_new();
344. >     BIGNUM *p = BN_new();
345.       BIGNUM *r = BN_new();
346.       int ret =

crypto/bn/bn_lib.c:276:1: start of procedure BN_new()
  274.   }
  275.   
  276. > BIGNUM *BN_new(void)
  277.   {
  278.       BIGNUM *ret;

crypto/bn/bn_lib.c:280:9: 
  278.       BIGNUM *ret;
  279.   
  280. >     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
    154.   }
    155.   
    156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158. >     void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
      117.   }
      118.   
      119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121.       void *ret = NULL;

crypto/mem.c:121:5: 
      119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121. >     void *ret = NULL;
      122.   
      123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (num <= 0)
                     ^
      124.           return NULL;
      125.   

crypto/mem.c:126:5: 
      124.           return NULL;
      125.   
      126. >     allow_customize = 0;
      127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
      134.       }
      135.   #else
      136. >     (void)file;
      137.       (void)line;
      138.       ret = malloc(num);

crypto/mem.c:137:5: 
      135.   #else
      136.       (void)file;
      137. >     (void)line;
      138.       ret = malloc(num);
      139.   #endif

crypto/mem.c:138:5: 
      136.       (void)file;
      137.       (void)line;
      138. >     ret = malloc(num);
      139.   #endif
      140.   

crypto/mem.c:153:5: 
      151.   #endif
      152.   
      153. >     return ret;
      154.   }
      155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
      152.   
      153.       return ret;
      154. > }
      155.   
      156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking true branch
    158.       void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)
                   ^
    161.           memset(ret, 0, num);
    162.       return ret;

crypto/mem.c:161:9: 
    159.   
    160.       if (ret != NULL)
    161. >         memset(ret, 0, num);
    162.       return ret;
    163.   }

crypto/mem.c:162:5: 
    160.       if (ret != NULL)
    161.           memset(ret, 0, num);
    162. >     return ret;
    163.   }
    164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
    161.           memset(ret, 0, num);
    162.       return ret;
    163. > }
    164.   
    165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bn/bn_lib.c:280:9: Taking false branch
  278.       BIGNUM *ret;
  279.   
  280.       if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
                 ^
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/bn/bn_lib.c:284:5: 
  282.           return (NULL);
  283.       }
  284. >     ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286.       return (ret);

crypto/bn/bn_lib.c:286:5: 
  284.       ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286. >     return (ret);
  287.   }
  288.   

crypto/bn/bn_lib.c:287:1: return from a call to BN_new
  285.       bn_check_top(ret);
  286.       return (ret);
  287. > }
  288.   
  289.    BIGNUM *BN_secure_new(void)

apps/s_client.c:345:5: 
343.       BN_CTX *bn_ctx = BN_CTX_new();
344.       BIGNUM *p = BN_new();
345. >     BIGNUM *r = BN_new();
346.       int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&

crypto/bn/bn_lib.c:276:1: start of procedure BN_new()
  274.   }
  275.   
  276. > BIGNUM *BN_new(void)
  277.   {
  278.       BIGNUM *ret;

crypto/bn/bn_lib.c:280:9: 
  278.       BIGNUM *ret;
  279.   
  280. >     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
    154.   }
    155.   
    156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158. >     void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
      117.   }
      118.   
      119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121.       void *ret = NULL;

crypto/mem.c:121:5: 
      119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121. >     void *ret = NULL;
      122.   
      123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (num <= 0)
                     ^
      124.           return NULL;
      125.   

crypto/mem.c:126:5: 
      124.           return NULL;
      125.   
      126. >     allow_customize = 0;
      127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
      134.       }
      135.   #else
      136. >     (void)file;
      137.       (void)line;
      138.       ret = malloc(num);

crypto/mem.c:137:5: 
      135.   #else
      136.       (void)file;
      137. >     (void)line;
      138.       ret = malloc(num);
      139.   #endif

crypto/mem.c:138:5: 
      136.       (void)file;
      137.       (void)line;
      138. >     ret = malloc(num);
      139.   #endif
      140.   

crypto/mem.c:153:5: 
      151.   #endif
      152.   
      153. >     return ret;
      154.   }
      155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
      152.   
      153.       return ret;
      154. > }
      155.   
      156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking true branch
    158.       void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)
                   ^
    161.           memset(ret, 0, num);
    162.       return ret;

crypto/mem.c:161:9: 
    159.   
    160.       if (ret != NULL)
    161. >         memset(ret, 0, num);
    162.       return ret;
    163.   }

crypto/mem.c:162:5: 
    160.       if (ret != NULL)
    161.           memset(ret, 0, num);
    162. >     return ret;
    163.   }
    164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
    161.           memset(ret, 0, num);
    162.       return ret;
    163. > }
    164.   
    165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bn/bn_lib.c:280:9: Taking false branch
  278.       BIGNUM *ret;
  279.   
  280.       if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
                 ^
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/bn/bn_lib.c:284:5: 
  282.           return (NULL);
  283.       }
  284. >     ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286.       return (ret);

crypto/bn/bn_lib.c:286:5: 
  284.       ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286. >     return (ret);
  287.   }
  288.   

crypto/bn/bn_lib.c:287:1: return from a call to BN_new
  285.       bn_check_top(ret);
  286.       return (ret);
  287. > }
  288.   
  289.    BIGNUM *BN_secure_new(void)

apps/s_client.c:347:9: Condition is true
345.       BIGNUM *r = BN_new();
346.       int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
               ^
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

apps/s_client.c:347:22: Condition is true
345.       BIGNUM *r = BN_new();
346.       int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
                            ^
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

apps/s_client.c:347:35: Condition is true
345.       BIGNUM *r = BN_new();
346.       int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
                                         ^
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

apps/s_client.c:347:53: 
345.       BIGNUM *r = BN_new();
346.       int ret =
347. >         g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

crypto/bn/bn_lib.c:904:1: start of procedure BN_is_odd()
  902.   }
  903.   
  904. > int BN_is_odd(const BIGNUM *a)
  905.   {
  906.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_lib.c:906:13: Condition is true
  904.   int BN_is_odd(const BIGNUM *a)
  905.   {
  906.       return (a->top > 0) && (a->d[0] & 1);
                     ^
  907.   }
  908.   

crypto/bn/bn_lib.c:906:29: Condition is false
  904.   int BN_is_odd(const BIGNUM *a)
  905.   {
  906.       return (a->top > 0) && (a->d[0] & 1);
                                     ^
  907.   }
  908.   

crypto/bn/bn_lib.c:906:12: 
  904.   int BN_is_odd(const BIGNUM *a)
  905.   {
  906. >     return (a->top > 0) && (a->d[0] & 1);
  907.   }
  908.   

crypto/bn/bn_lib.c:906:5: 
  904.   int BN_is_odd(const BIGNUM *a)
  905.   {
  906. >     return (a->top > 0) && (a->d[0] & 1);
  907.   }
  908.   

crypto/bn/bn_lib.c:907:1: return from a call to BN_is_odd
  905.   {
  906.       return (a->top > 0) && (a->d[0] & 1);
  907. > }
  908.   
  909.   int BN_is_negative(const BIGNUM *a)

apps/s_client.c:347:53: Condition is false
345.       BIGNUM *r = BN_new();
346.       int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
                                                           ^
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

apps/s_client.c:347:9: 
345.       BIGNUM *r = BN_new();
346.       int ret =
347. >         g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
349.           p != NULL && BN_rshift1(p, N) &&

apps/s_client.c:346:5: 
344.       BIGNUM *p = BN_new();
345.       BIGNUM *r = BN_new();
346. >     int ret =
347.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
348.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&

apps/s_client.c:357:5: 
355.           BN_add_word(r, 1) && BN_cmp(r, N) == 0;
356.   
357. >     BN_free(r);
358.       BN_free(p);
359.       BN_CTX_free(bn_ctx);

crypto/bn/bn_lib.c:251:1: start of procedure BN_free()
  249.   }
  250.   
  251. > void BN_free(BIGNUM *a)
  252.   {
  253.       if (a == NULL)

crypto/bn/bn_lib.c:253:9: Taking false branch
  251.   void BN_free(BIGNUM *a)
  252.   {
  253.       if (a == NULL)
                 ^
  254.           return;
  255.       bn_check_top(a);

crypto/bn/bn_lib.c:256:10: 
  254.           return;
  255.       bn_check_top(a);
  256. >     if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)

crypto/bn/bn_lib.c:955:1: start of procedure BN_get_flags()
    953.   }
    954.   
    955. > int BN_get_flags(const BIGNUM *b, int n)
    956.   {
    957.       return b->flags & n;

crypto/bn/bn_lib.c:957:5: 
    955.   int BN_get_flags(const BIGNUM *b, int n)
    956.   {
    957. >     return b->flags & n;
    958.   }
    959.   

crypto/bn/bn_lib.c:958:1: return from a call to BN_get_flags
    956.   {
    957.       return b->flags & n;
    958. > }
    959.   
    960.   /* Populate a BN_GENCB structure with an "old"-style callback */

crypto/bn/bn_lib.c:256:10: Taking false branch
  254.           return;
  255.       bn_check_top(a);
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
                  ^
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)

crypto/bn/bn_lib.c:258:9: Taking false branch
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)
                 ^
  259.           OPENSSL_free(a);
  260.       else {

crypto/bn/bn_lib.c:262:9: 
  260.       else {
  261.   #if OPENSSL_API_COMPAT < 0x00908000L
  262. >         a->flags |= BN_FLG_FREE;
  263.   #endif
  264.           a->d = NULL;

crypto/bn/bn_lib.c:264:9: 
  262.           a->flags |= BN_FLG_FREE;
  263.   #endif
  264. >         a->d = NULL;
  265.       }
  266.   }

crypto/bn/bn_lib.c:258:5: 
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258. >     if (a->flags & BN_FLG_MALLOCED)
  259.           OPENSSL_free(a);
  260.       else {

crypto/bn/bn_lib.c:266:1: return from a call to BN_free
  264.           a->d = NULL;
  265.       }
  266. > }
  267.   
  268.   void bn_init(BIGNUM *a)

static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
{
    BN_CTX *bn_ctx = BN_CTX_new();
    BIGNUM *p = BN_new();
    BIGNUM *r = BN_new();
    int ret =
        g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
        BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
        p != NULL && BN_rshift1(p, N) &&
        BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
        r != NULL &&
        BN_mod_exp(r, g, p, N, bn_ctx) &&
        BN_add_word(r, 1) && BN_cmp(r, N) == 0;
    BN_free(r);
    BN_free(p);
    BN_CTX_free(bn_ctx);
    return ret;
}
['static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)\n{\n    BN_CTX *bn_ctx = BN_CTX_new();\n    BIGNUM *p = BN_new();\n    BIGNUM *r = BN_new();\n    int ret =\n        g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&\n        BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&\n        p != NULL && BN_rshift1(p, N) &&\n        BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&\n        r != NULL &&\n        BN_mod_exp(r, g, p, N, bn_ctx) &&\n        BN_add_word(r, 1) && BN_cmp(r, N) == 0;\n    BN_free(r);\n    BN_free(p);\n    BN_CTX_free(bn_ctx);\n    return ret;\n}', 'BN_CTX *BN_CTX_new(void)\n{\n    BN_CTX *ret;\n    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {\n        BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);\n        return NULL;\n    }\n    BN_POOL_init(&ret->pool);\n    BN_STACK_init(&ret->stack);\n    return ret;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\n    if (ret != NULL)\n        memset(ret, 0, num);\n    return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n    void *ret = NULL;\n    if (num <= 0)\n        return NULL;\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n        ret = malloc(num);\n        CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n    } else {\n        ret = malloc(num);\n    }\n#else\n    (void)file;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}', 'static void BN_POOL_init(BN_POOL *p)\n{\n    p->head = p->current = p->tail = NULL;\n    p->used = p->size = 0;\n}', 'static void BN_STACK_init(BN_STACK *st)\n{\n    st->indexes = NULL;\n    st->depth = st->size = 0;\n}', 'BIGNUM *BN_new(void)\n{\n    BIGNUM *ret;\n    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {\n        BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);\n        return (NULL);\n    }\n    ret->flags = BN_FLG_MALLOCED;\n    bn_check_top(ret);\n    return (ret);\n}', 'int BN_is_odd(const BIGNUM *a)\n{\n    return (a->top > 0) && (a->d[0] & 1);\n}', 'void BN_free(BIGNUM *a)\n{\n    if (a == NULL)\n        return;\n    bn_check_top(a);\n    if (!BN_get_flags(a, BN_FLG_STATIC_DATA))\n        bn_free_d(a);\n    if (a->flags & BN_FLG_MALLOCED)\n        OPENSSL_free(a);\n    else {\n#if OPENSSL_API_COMPAT < 0x00908000L\n        a->flags |= BN_FLG_FREE;\n#endif\n        a->d = NULL;\n    }\n}', 'int BN_get_flags(const BIGNUM *b, int n)\n{\n    return b->flags & n;\n}']