crypto/cms/cms_sd.c:847: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 778, column 24 is not reachable after line 847, column 5.
Showing all 94 steps of the trace


crypto/cms/cms_sd.c:775:1: start of procedure CMS_SignerInfo_verify_content()
773.   }
774.   
775. > int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
776.   {
777.       ASN1_OCTET_STRING *os = NULL;

crypto/cms/cms_sd.c:777:5: 
775.   int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
776.   {
777. >     ASN1_OCTET_STRING *os = NULL;
778.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
779.       EVP_PKEY_CTX *pkctx = NULL;

crypto/cms/cms_sd.c:778:5: 
776.   {
777.       ASN1_OCTET_STRING *os = NULL;
778. >     EVP_MD_CTX *mctx = EVP_MD_CTX_new();
779.       EVP_PKEY_CTX *pkctx = NULL;
780.       int r = -1;

crypto/evp/digest.c:44:1: start of procedure EVP_MD_CTX_new()
  42.   }
  43.   
  44. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:46:5: 
  44.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47.   }
  48.   

crypto/mem.c:198:1: start of procedure CRYPTO_zalloc()
    196.   }
    197.   
    198. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    199.   {
    200.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:200:5: 
    198.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    199.   {
    200. >     void *ret = CRYPTO_malloc(num, file, line);
    201.   
    202.       FAILTEST();

crypto/mem.c:170:1: start of procedure CRYPTO_malloc()
      168.   #endif
      169.   
      170. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      171.   {
      172.       void *ret = NULL;

crypto/mem.c:172:5: 
      170.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      171.   {
      172. >     void *ret = NULL;
      173.   
      174.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:174:9: Taking false branch
      172.       void *ret = NULL;
      173.   
      174.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      175.           return malloc_impl(num, file, line);
      176.   

crypto/mem.c:177:9: Taking false branch
      175.           return malloc_impl(num, file, line);
      176.   
      177.       if (num == 0)
                     ^
      178.           return NULL;
      179.   

crypto/mem.c:181:5: 
      179.   
      180.       FAILTEST();
      181. >     allow_customize = 0;
      182.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      183.       if (call_malloc_debug) {

crypto/mem.c:191:5: 
      189.       }
      190.   #else
      191. >     (void)(file); (void)(line);
      192.       ret = malloc(num);
      193.   #endif

crypto/mem.c:191:19: 
      189.       }
      190.   #else
      191. >     (void)(file); (void)(line);
      192.       ret = malloc(num);
      193.   #endif

crypto/mem.c:192:5: 
      190.   #else
      191.       (void)(file); (void)(line);
      192. >     ret = malloc(num);
      193.   #endif
      194.   

crypto/mem.c:195:5: 
      193.   #endif
      194.   
      195. >     return ret;
      196.   }
      197.   

crypto/mem.c:196:1: return from a call to CRYPTO_malloc
      194.   
      195.       return ret;
      196. > }
      197.   
      198.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:203:9: Taking true branch
    201.   
    202.       FAILTEST();
    203.       if (ret != NULL)
                   ^
    204.           memset(ret, 0, num);
    205.       return ret;

crypto/mem.c:204:9: 
    202.       FAILTEST();
    203.       if (ret != NULL)
    204. >         memset(ret, 0, num);
    205.       return ret;
    206.   }

crypto/mem.c:205:5: 
    203.       if (ret != NULL)
    204.           memset(ret, 0, num);
    205. >     return ret;
    206.   }
    207.   

crypto/mem.c:206:1: return from a call to CRYPTO_zalloc
    204.           memset(ret, 0, num);
    205.       return ret;
    206. > }
    207.   
    208.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:47:1: return from a call to EVP_MD_CTX_new
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47. > }
  48.   
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

crypto/cms/cms_sd.c:779:5: 
777.       ASN1_OCTET_STRING *os = NULL;
778.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
779. >     EVP_PKEY_CTX *pkctx = NULL;
780.       int r = -1;
781.       unsigned char mval[EVP_MAX_MD_SIZE];

crypto/cms/cms_sd.c:780:5: 
778.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
779.       EVP_PKEY_CTX *pkctx = NULL;
780. >     int r = -1;
781.       unsigned char mval[EVP_MAX_MD_SIZE];
782.       unsigned int mlen;

crypto/cms/cms_sd.c:784:9: Taking false branch
782.       unsigned int mlen;
783.   
784.       if (mctx == NULL) {
               ^
785.           CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, ERR_R_MALLOC_FAILURE);
786.           goto err;

crypto/cms/cms_sd.c:789:9: 
787.       }
788.       /* If we have any signed attributes look for messageDigest value */
789. >     if (CMS_signed_get_attr_count(si) >= 0) {
790.           os = CMS_signed_get0_data_by_OBJ(si,
791.                                            OBJ_nid2obj(NID_pkcs9_messageDigest),

crypto/cms/cms_att.c:19:1: start of procedure CMS_signed_get_attr_count()
  17.   /* CMS SignedData Attribute utilities */
  18.   
  19. > int CMS_signed_get_attr_count(const CMS_SignerInfo *si)
  20.   {
  21.       return X509at_get_attr_count(si->signedAttrs);

crypto/cms/cms_att.c:21:5: 
  19.   int CMS_signed_get_attr_count(const CMS_SignerInfo *si)
  20.   {
  21. >     return X509at_get_attr_count(si->signedAttrs);
  22.   }
  23.   

crypto/x509/x509_att.c:20:1: start of procedure X509at_get_attr_count()
    18.   #include "x509_lcl.h"
    19.   
    20. > int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
    21.   {
    22.       return sk_X509_ATTRIBUTE_num(x);

crypto/x509/x509_att.c:22:5: 
    20.   int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
    21.   {
    22. >     return sk_X509_ATTRIBUTE_num(x);
    23.   }
    24.   

include/openssl/x509.h:89:1: start of procedure sk_X509_ATTRIBUTE_num()
      87.   typedef struct x509_attributes_st X509_ATTRIBUTE;
      88.   
      89. > DEFINE_STACK_OF(X509_ATTRIBUTE)
      90.   
      91.   typedef struct X509_req_info_st X509_REQ_INFO;

crypto/stack/stack.c:359:1: start of procedure OPENSSL_sk_num()
        357.   }
        358.   
        359. > int OPENSSL_sk_num(const OPENSSL_STACK *st)
        360.   {
        361.       return st == NULL ? -1 : st->num;

crypto/stack/stack.c:361:12: Condition is true
        359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
        360.   {
        361.       return st == NULL ? -1 : st->num;
                          ^
        362.   }
        363.   

crypto/stack/stack.c:361:5: 
        359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
        360.   {
        361. >     return st == NULL ? -1 : st->num;
        362.   }
        363.   

crypto/stack/stack.c:362:1: return from a call to OPENSSL_sk_num
        360.   {
        361.       return st == NULL ? -1 : st->num;
        362. > }
        363.   
        364.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)

include/openssl/x509.h:89:1: return from a call to sk_X509_ATTRIBUTE_num
      87.   typedef struct x509_attributes_st X509_ATTRIBUTE;
      88.   
      89. > DEFINE_STACK_OF(X509_ATTRIBUTE)
      90.   
      91.   typedef struct X509_req_info_st X509_REQ_INFO;

crypto/x509/x509_att.c:23:1: return from a call to X509at_get_attr_count
    21.   {
    22.       return sk_X509_ATTRIBUTE_num(x);
    23. > }
    24.   
    25.   int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,

crypto/cms/cms_att.c:22:1: return from a call to CMS_signed_get_attr_count
  20.   {
  21.       return X509at_get_attr_count(si->signedAttrs);
  22. > }
  23.   
  24.   int CMS_signed_get_attr_by_NID(const CMS_SignerInfo *si, int nid, int lastpos)

crypto/cms/cms_sd.c:789:9: Taking false branch
787.       }
788.       /* If we have any signed attributes look for messageDigest value */
789.       if (CMS_signed_get_attr_count(si) >= 0) {
               ^
790.           os = CMS_signed_get0_data_by_OBJ(si,
791.                                            OBJ_nid2obj(NID_pkcs9_messageDigest),

crypto/cms/cms_sd.c:800:10: 
798.       }
799.   
800. >     if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
801.           goto err;
802.   

crypto/cms/cms_lib.c:311:1: start of procedure cms_DigestAlgorithm_find_ctx()
  309.   /* Locate a message digest content from a BIO chain based on SignerInfo */
  310.   
  311. > int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
  312.                                    X509_ALGOR *mdalg)
  313.   {

crypto/cms/cms_lib.c:316:5: 
  314.       int nid;
  315.       const ASN1_OBJECT *mdoid;
  316. >     X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);
  317.       nid = OBJ_obj2nid(mdoid);
  318.       /* Look for digest type to match signature */

crypto/asn1/x_algor.c:53:1: start of procedure X509_ALGOR_get0()
    51.   }
    52.   
    53. > void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype,
    54.                        const void **ppval, const X509_ALGOR *algor)
    55.   {

crypto/asn1/x_algor.c:56:9: Taking true branch
    54.                        const void **ppval, const X509_ALGOR *algor)
    55.   {
    56.       if (paobj)
                  ^
    57.           *paobj = algor->algorithm;
    58.       if (pptype) {

crypto/asn1/x_algor.c:57:9: 
    55.   {
    56.       if (paobj)
    57. >         *paobj = algor->algorithm;
    58.       if (pptype) {
    59.           if (algor->parameter == NULL) {

crypto/asn1/x_algor.c:58:9: Taking false branch
    56.       if (paobj)
    57.           *paobj = algor->algorithm;
    58.       if (pptype) {
                  ^
    59.           if (algor->parameter == NULL) {
    60.               *pptype = V_ASN1_UNDEF;

crypto/asn1/x_algor.c:58:5: 
    56.       if (paobj)
    57.           *paobj = algor->algorithm;
    58. >     if (pptype) {
    59.           if (algor->parameter == NULL) {
    60.               *pptype = V_ASN1_UNDEF;

crypto/asn1/x_algor.c:67:1: return from a call to X509_ALGOR_get0
    65.               *ppval = algor->parameter->value.ptr;
    66.       }
    67. > }
    68.   
    69.   /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */

crypto/cms/cms_lib.c:317:5: 
  315.       const ASN1_OBJECT *mdoid;
  316.       X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);
  317. >     nid = OBJ_obj2nid(mdoid);
  318.       /* Look for digest type to match signature */
  319.       for (;;) {

crypto/objects/obj_dat.c:317:1: start of procedure OBJ_obj2nid()
    315.   IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
    316.   
    317. > int OBJ_obj2nid(const ASN1_OBJECT *a)
    318.   {
    319.       const unsigned int *op;

crypto/objects/obj_dat.c:322:9: Taking false branch
    320.       ADDED_OBJ ad, *adp;
    321.   
    322.       if (a == NULL)
                   ^
    323.           return NID_undef;
    324.       if (a->nid != 0)

crypto/objects/obj_dat.c:324:9: Taking false branch
    322.       if (a == NULL)
    323.           return NID_undef;
    324.       if (a->nid != 0)
                   ^
    325.           return a->nid;
    326.   

crypto/objects/obj_dat.c:327:9: Taking false branch
    325.           return a->nid;
    326.   
    327.       if (a->length == 0)
                   ^
    328.           return NID_undef;
    329.   

crypto/objects/obj_dat.c:330:9: Taking true branch
    328.           return NID_undef;
    329.   
    330.       if (added != NULL) {
                   ^
    331.           ad.type = ADDED_DATA;
    332.           ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */

crypto/objects/obj_dat.c:331:9: 
    329.   
    330.       if (added != NULL) {
    331. >         ad.type = ADDED_DATA;
    332.           ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
    333.           adp = lh_ADDED_OBJ_retrieve(added, &ad);

crypto/objects/obj_dat.c:332:9: 
    330.       if (added != NULL) {
    331.           ad.type = ADDED_DATA;
    332. >         ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
    333.           adp = lh_ADDED_OBJ_retrieve(added, &ad);
    334.           if (adp != NULL)

crypto/objects/obj_dat.c:333:9: 
    331.           ad.type = ADDED_DATA;
    332.           ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
    333. >         adp = lh_ADDED_OBJ_retrieve(added, &ad);
    334.           if (adp != NULL)
    335.               return adp->obj->nid;

crypto/objects/obj_lcl.h:14:1: start of procedure lh_ADDED_OBJ_retrieve()
      12.   DEFINE_LHASH_OF(OBJ_NAME);
      13.   typedef struct added_obj_st ADDED_OBJ;
      14. > DEFINE_LHASH_OF(ADDED_OBJ);

crypto/lhash/lhash.c:130:1: start of procedure OPENSSL_LH_retrieve()
        128.   }
        129.   
        130. > void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data)
        131.   {
        132.       unsigned long hash;

crypto/lhash/lhash.c:136:5: 
        134.       void *ret;
        135.   
        136. >     lh->error = 0;
        137.       rn = getrn(lh, data, &hash);
        138.   

crypto/lhash/lhash.c:137:5: Skipping getrn(): empty list of specs
        135.   
        136.       lh->error = 0;
        137.       rn = getrn(lh, data, &hash);
                   ^
        138.   
        139.       if (*rn == NULL) {

crypto/lhash/lhash.c:139:9: Taking false branch
        137.       rn = getrn(lh, data, &hash);
        138.   
        139.       if (*rn == NULL) {
                       ^
        140.           lh->num_retrieve_miss++;
        141.           return NULL;

crypto/lhash/lhash.c:143:9: 
        141.           return NULL;
        142.       } else {
        143. >         ret = (*rn)->data;
        144.           lh->num_retrieve++;
        145.       }

crypto/lhash/lhash.c:144:9: 
        142.       } else {
        143.           ret = (*rn)->data;
        144. >         lh->num_retrieve++;
        145.       }
        146.       return ret;

crypto/lhash/lhash.c:146:5: 
        144.           lh->num_retrieve++;
        145.       }
        146. >     return ret;
        147.   }
        148.   

crypto/lhash/lhash.c:147:1: return from a call to OPENSSL_LH_retrieve
        145.       }
        146.       return ret;
        147. > }
        148.   
        149.   static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,

crypto/objects/obj_lcl.h:14:1: return from a call to lh_ADDED_OBJ_retrieve
      12.   DEFINE_LHASH_OF(OBJ_NAME);
      13.   typedef struct added_obj_st ADDED_OBJ;
      14. > DEFINE_LHASH_OF(ADDED_OBJ);

crypto/objects/obj_dat.c:334:13: Taking true branch
    332.           ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
    333.           adp = lh_ADDED_OBJ_retrieve(added, &ad);
    334.           if (adp != NULL)
                       ^
    335.               return adp->obj->nid;
    336.       }

crypto/objects/obj_dat.c:335:13: 
    333.           adp = lh_ADDED_OBJ_retrieve(added, &ad);
    334.           if (adp != NULL)
    335. >             return adp->obj->nid;
    336.       }
    337.       op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);

crypto/objects/obj_dat.c:341:1: return from a call to OBJ_obj2nid
    339.           return NID_undef;
    340.       return nid_objs[*op].nid;
    341. > }
    342.   
    343.   /*

crypto/cms/cms_lib.c:336:5: Loop condition is true. Entering loop body
  334.               return EVP_MD_CTX_copy_ex(mctx, mtmp);
  335.           chain = BIO_next(chain);
  336.       }
             ^
  337.   }
  338.   

crypto/cms/cms_lib.c:321:9: Skipping BIO_find_type(): empty list of specs
  319.       for (;;) {
  320.           EVP_MD_CTX *mtmp;
  321.           chain = BIO_find_type(chain, BIO_TYPE_MD);
                 ^
  322.           if (chain == NULL) {
  323.               CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,

crypto/cms/cms_lib.c:322:13: Taking true branch
  320.           EVP_MD_CTX *mtmp;
  321.           chain = BIO_find_type(chain, BIO_TYPE_MD);
  322.           if (chain == NULL) {
                     ^
  323.               CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,
  324.                      CMS_R_NO_MATCHING_DIGEST);

crypto/cms/cms_lib.c:323:13: Skipping ERR_put_error(): empty list of specs
  321.           chain = BIO_find_type(chain, BIO_TYPE_MD);
  322.           if (chain == NULL) {
  323.               CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,
                     ^
  324.                      CMS_R_NO_MATCHING_DIGEST);
  325.               return 0;

crypto/cms/cms_lib.c:325:13: 
  323.               CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,
  324.                      CMS_R_NO_MATCHING_DIGEST);
  325. >             return 0;
  326.           }
  327.           BIO_get_md_ctx(chain, &mtmp);

crypto/cms/cms_lib.c:337:1: return from a call to cms_DigestAlgorithm_find_ctx
  335.           chain = BIO_next(chain);
  336.       }
  337. > }
  338.   
  339.   static STACK_OF(CMS_CertificateChoices)

crypto/cms/cms_sd.c:800:10: Taking true branch
798.       }
799.   
800.       if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
                ^
801.           goto err;
802.   

crypto/cms/cms_sd.c:845:2: 
843.       }
844.   
845. >  err:
846.       EVP_PKEY_CTX_free(pkctx);
847.       EVP_MD_CTX_free(mctx);

crypto/cms/cms_sd.c:846:5: 
844.   
845.    err:
846. >     EVP_PKEY_CTX_free(pkctx);
847.       EVP_MD_CTX_free(mctx);
848.       return r;

crypto/evp/pmeth_lib.c:335:1: start of procedure EVP_PKEY_CTX_free()
  333.   }
  334.   
  335. > void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
  336.   {
  337.       if (ctx == NULL)

crypto/evp/pmeth_lib.c:337:9: Taking true branch
  335.   void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
  336.   {
  337.       if (ctx == NULL)
                 ^
  338.           return;
  339.       if (ctx->pmeth && ctx->pmeth->cleanup)

crypto/evp/pmeth_lib.c:338:9: 
  336.   {
  337.       if (ctx == NULL)
  338. >         return;
  339.       if (ctx->pmeth && ctx->pmeth->cleanup)
  340.           ctx->pmeth->cleanup(ctx);

crypto/evp/pmeth_lib.c:347:1: return from a call to EVP_PKEY_CTX_free
  345.   #endif
  346.       OPENSSL_free(ctx);
  347. > }
  348.   
  349.   int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,

crypto/cms/cms_sd.c:847:5: 
845.    err:
846.       EVP_PKEY_CTX_free(pkctx);
847. >     EVP_MD_CTX_free(mctx);
848.       return r;
849.   

crypto/evp/digest.c:49:1: start of procedure EVP_MD_CTX_free()
  47.   }
  48.   
  49. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:51:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
            ^
  52.       OPENSSL_free(ctx);
  53.   }

crypto/evp/digest.c:52:5: 
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
  52. >     OPENSSL_free(ctx);
  53.   }
  54.   

crypto/mem.c:265:1: start of procedure CRYPTO_free()
    263.   }
    264.   
    265. > void CRYPTO_free(void *str, const char *file, int line)
    266.   {
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:267:9: Taking true branch
    265.   void CRYPTO_free(void *str, const char *file, int line)
    266.   {
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    268.           free_impl(str, file, line);
    269.           return;

crypto/mem.c:267:30: Taking true branch
    265.   void CRYPTO_free(void *str, const char *file, int line)
    266.   {
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    268.           free_impl(str, file, line);
    269.           return;

crypto/mem.c:268:9: Skipping __function_pointer__(): unresolved function pointer
    266.   {
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    268.           free_impl(str, file, line);
                   ^
    269.           return;
    270.       }

crypto/mem.c:269:9: 
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    268.           free_impl(str, file, line);
    269. >         return;
    270.       }
    271.   

crypto/mem.c:283:1: return from a call to CRYPTO_free
    281.       free(str);
    282.   #endif
    283. > }
    284.   
    285.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:53:1: return from a call to EVP_MD_CTX_free
  51.       EVP_MD_CTX_reset(ctx);
  52.       OPENSSL_free(ctx);
  53. > }
  54.   
  55.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
