-#define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
-#define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
-#define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
-#define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
-
-#define EVP_MD_type(e) ((e)->type)
-#define EVP_MD_pkey_type(e) ((e)->pkey_type)
-#define EVP_MD_size(e) ((e)->md_size)
-#define EVP_MD_block_size(e) ((e)->block_size)
-
-#define EVP_MD_CTX_md(e) ((e)->digest)
-#define EVP_MD_CTX_size(e) EVP_MD_size((e)->digest)
-#define EVP_MD_CTX_block_size(e) EVP_MD_block_size((e)->digest)
-#define EVP_MD_CTX_type(e) EVP_MD_type((e)->digest)
-
-#define EVP_CIPHER_nid(e) ((e)->nid)
-#define EVP_CIPHER_block_size(e) ((e)->block_size)
-#define EVP_CIPHER_key_length(e) ((e)->key_len)
-#define EVP_CIPHER_iv_length(e) ((e)->iv_len)
-#define EVP_CIPHER_flags(e) ((e)->flags)
-#define EVP_CIPHER_mode(e) ((e)->flags) & EVP_CIPH_MODE)
-
-#define EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
-#define EVP_CIPHER_CTX_nid(e) ((e)->cipher->nid)
-#define EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
-#define EVP_CIPHER_CTX_key_length(e) ((e)->key_len)
-#define EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
-#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data)
-#define EVP_CIPHER_CTX_set_app_data(e,d) ((e)->app_data=(char *)(d))
-#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
-#define EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
-#define EVP_CIPHER_CTX_mode(e) ((e)->cipher->flags & EVP_CIPH_MODE)
-
-#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
-#define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
-
-#define EVP_SignInit(a,b) EVP_DigestInit(a,b)
-#define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
-#define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
-#define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
-#define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
-#define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
-
-#ifdef CONST_STRICT
-void BIO_set_md(BIO *,const EVP_MD *md);
-#else
-# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
-#endif
-#define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
-#define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
-#define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
-#define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
-
-#define EVP_Cipher(c,o,i,l) (c)->cipher->do_cipher((c),(o),(i),(l))
-
-#define EVP_add_cipher_alias(n,alias) \
- OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
-#define EVP_add_digest_alias(n,alias) \
- OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
-#define EVP_delete_cipher_alias(alias) \
- OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
-#define EVP_delete_digest_alias(alias) \
- OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
-
-
-int EVP_MD_CTX_copy(EVP_MD_CTX *out,EVP_MD_CTX *in);
-void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
-void EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
- unsigned int cnt);
-void EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
-int EVP_Digest(void *data, unsigned int count,
- unsigned char *md, unsigned int *size, const EVP_MD *type);
-
-int EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
-void EVP_set_pw_prompt(char *prompt);
-char * EVP_get_pw_prompt(void);
-
-int EVP_BytesToKey(const EVP_CIPHER *type,EVP_MD *md,unsigned char *salt,
- unsigned char *data, int datal, int count,
- unsigned char *key,unsigned char *iv);
-
-int EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
- unsigned char *key, unsigned char *iv);
-int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
- int *outl, unsigned char *in, int inl);
-int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
-
-int EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
- unsigned char *key, unsigned char *iv);
-int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
- int *outl, unsigned char *in, int inl);
-int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
-
-int EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
- unsigned char *key,unsigned char *iv,int enc);
-int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
- int *outl, unsigned char *in, int inl);
-int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
-
-int EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
- EVP_PKEY *pkey);
-
-int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
- unsigned int siglen,EVP_PKEY *pkey);
-
-int EVP_OpenInit(EVP_CIPHER_CTX *ctx,EVP_CIPHER *type,unsigned char *ek,
- int ekl,unsigned char *iv,EVP_PKEY *priv);
-int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
-
-int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek,
- int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
-void EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
-
-void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
-void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
- int *outl,unsigned char *in,int inl);
-void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
-int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
-
-void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
-int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
- unsigned char *in, int inl);
-int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
- char *out, int *outl);
-int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
-
-void ERR_load_EVP_strings(void );
+# define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
+# define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
+# define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
+# define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
+
+/* Macros to reduce FIPS dependencies: do NOT use in applications */
+# define M_EVP_MD_size(e) ((e)->md_size)
+# define M_EVP_MD_block_size(e) ((e)->block_size)
+# define M_EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
+# define M_EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
+# define M_EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
+# define M_EVP_MD_type(e) ((e)->type)
+# define M_EVP_MD_CTX_type(e) M_EVP_MD_type(M_EVP_MD_CTX_md(e))
+# define M_EVP_MD_CTX_md(e) ((e)->digest)
+
+# define M_EVP_CIPHER_nid(e) ((e)->nid)
+# define M_EVP_CIPHER_CTX_iv_length(e) ((e)->cipher->iv_len)
+# define M_EVP_CIPHER_CTX_flags(e) ((e)->cipher->flags)
+# define M_EVP_CIPHER_CTX_block_size(e) ((e)->cipher->block_size)
+# define M_EVP_CIPHER_CTX_cipher(e) ((e)->cipher)
+# define M_EVP_CIPHER_CTX_mode(e) (M_EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
+
+# define M_EVP_CIPHER_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
+
+# define M_EVP_EncryptInit(ctx,ciph,key,iv) \
+ (EVP_CipherInit(ctx,ciph,key,iv,1))
+# define M_EVP_EncryptInit_ex(ctx,ciph,impl,key,iv) \
+ (EVP_CipherInit_ex(ctx,ciph,impl,key,iv,1))
+# define M_EVP_DecryptInit(ctx,ciph,key,iv) \
+ (EVP_CipherInit(ctx,ciph,key,iv,0))
+# define M_EVP_DecryptInit_ex(ctx,ciph,impl,key,iv) \
+ (EVP_CipherInit_ex(ctx,ciph,impl,key,iv,0))
+
+int EVP_MD_type(const EVP_MD *md);
+# define EVP_MD_nid(e) EVP_MD_type(e)
+# define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
+int EVP_MD_pkey_type(const EVP_MD *md);
+int EVP_MD_size(const EVP_MD *md);
+int EVP_MD_block_size(const EVP_MD *md);
+unsigned long EVP_MD_flags(const EVP_MD *md);
+
+const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
+# define EVP_MD_CTX_size(e) EVP_MD_size(EVP_MD_CTX_md(e))
+# define EVP_MD_CTX_block_size(e) EVP_MD_block_size(EVP_MD_CTX_md(e))
+# define EVP_MD_CTX_type(e) EVP_MD_type(EVP_MD_CTX_md(e))
+
+int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
+# define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
+int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
+int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
+int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
+unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
+# define EVP_CIPHER_mode(e) (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
+
+const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
+int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
+int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
+int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
+int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
+int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
+void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
+void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
+# define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
+unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
+# define EVP_CIPHER_CTX_mode(e) (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
+
+# define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
+# define EVP_DECODE_LENGTH(l) ((l+3)/4*3+80)
+
+# define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
+# define EVP_SignInit(a,b) EVP_DigestInit(a,b)
+# define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
+# define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
+# define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
+# define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
+# define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
+# define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
+# define EVP_DigestSignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
+# define EVP_DigestVerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
+
+# ifdef CONST_STRICT
+void BIO_set_md(BIO *, const EVP_MD *md);
+# else
+# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
+# endif
+# define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
+# define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
+# define BIO_set_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
+# define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
+# define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
+
+/*__owur*/ int EVP_Cipher(EVP_CIPHER_CTX *c,
+ unsigned char *out,
+ const unsigned char *in, unsigned int inl);
+
+# define EVP_add_cipher_alias(n,alias) \
+ OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
+# define EVP_add_digest_alias(n,alias) \
+ OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
+# define EVP_delete_cipher_alias(alias) \
+ OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
+# define EVP_delete_digest_alias(alias) \
+ OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
+
+void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
+int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
+EVP_MD_CTX *EVP_MD_CTX_create(void);
+void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
+/*__owur*/ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
+void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
+void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
+int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
+/*__owur*/ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type,
+ ENGINE *impl);
+/*__owur*/ int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,
+ size_t cnt);
+/*__owur*/ int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md,
+ unsigned int *s);
+/*__owur*/ int EVP_Digest(const void *data, size_t count,
+ unsigned char *md, unsigned int *size,
+ const EVP_MD *type, ENGINE *impl);
+
+/*__owur*/ int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
+/*__owur*/ int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
+__owur int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md,
+ unsigned int *s);
+
+int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
+int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
+ const char *prompt, int verify);
+void EVP_set_pw_prompt(const char *prompt);
+char *EVP_get_pw_prompt(void);
+
+__owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
+ const unsigned char *salt,
+ const unsigned char *data, int datal, int count,
+ unsigned char *key, unsigned char *iv);
+
+void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
+void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
+int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
+
+__owur int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+ const unsigned char *key, const unsigned char *iv);
+/*__owur*/ int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,
+ const EVP_CIPHER *cipher, ENGINE *impl,
+ const unsigned char *key,
+ const unsigned char *iv);
+/*__owur*/ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ int *outl, const unsigned char *in, int inl);
+/*__owur*/ int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ int *outl);
+/*__owur*/ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ int *outl);
+
+__owur int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+ const unsigned char *key, const unsigned char *iv);
+/*__owur*/ int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,
+ const EVP_CIPHER *cipher, ENGINE *impl,
+ const unsigned char *key,
+ const unsigned char *iv);
+/*__owur*/ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ int *outl, const unsigned char *in, int inl);
+__owur int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
+ int *outl);
+/*__owur*/ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
+ int *outl);
+
+__owur int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+ const unsigned char *key, const unsigned char *iv,
+ int enc);
+/*__owur*/ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,
+ const EVP_CIPHER *cipher, ENGINE *impl,
+ const unsigned char *key,
+ const unsigned char *iv, int enc);
+__owur int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ int *outl, const unsigned char *in, int inl);
+__owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
+ int *outl);
+__owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
+ int *outl);
+
+__owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
+ EVP_PKEY *pkey);
+
+__owur int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
+ unsigned int siglen, EVP_PKEY *pkey);
+
+/*__owur*/ int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+ const EVP_MD *type, ENGINE *e,
+ EVP_PKEY *pkey);
+__owur int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
+ size_t *siglen);
+
+__owur int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+ const EVP_MD *type, ENGINE *e,
+ EVP_PKEY *pkey);
+__owur int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
+ size_t siglen);
+
+__owur int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+ const unsigned char *ek, int ekl,
+ const unsigned char *iv, EVP_PKEY *priv);
+__owur int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+
+__owur int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+ unsigned char **ek, int *ekl, unsigned char *iv,
+ EVP_PKEY **pubk, int npubk);
+__owur int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+
+void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
+void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl);
+void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
+int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
+
+void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
+int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl);
+int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
+ char *out, int *outl);
+int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);