*/
#include <stdio.h>
+#include <ctype.h>
#include "cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>
-#ifndef NO_DES
+#include "asn1_locl.h"
+#ifndef OPENSSL_NO_DES
#include <openssl/des.h>
#endif
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
-const char *PEM_version="PEM" OPENSSL_VERSION_PTEXT;
+const char PEM_version[]="PEM" OPENSSL_VERSION_PTEXT;
#define MIN_LENGTH 4
-static int def_callback(char *buf, int num, int w, void *userdata);
-static int load_iv(unsigned char **fromp,unsigned char *to, int num);
+static int load_iv(char **fromp,unsigned char *to, int num);
static int check_pem(const char *nm, const char *name);
-static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
- int nid, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u);
-static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
- int nid, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u);
-
-static int def_callback(char *buf, int num, int w, void *key)
+int pem_check_suffix(const char *pem_str, const char *suffix);
+
+int PEM_def_callback(char *buf, int num, int w, void *key)
{
-#ifdef NO_FP_API
+#ifdef OPENSSL_NO_FP_API
/* We should not ever call the default callback routine from
* windows. */
- PEMerr(PEM_F_DEF_CALLBACK,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ PEMerr(PEM_F_PEM_DEF_CALLBACK,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return(-1);
#else
int i,j;
for (;;)
{
- i=EVP_read_pw_string(buf,num,prompt,w);
+ i=EVP_read_pw_string_min(buf,MIN_LENGTH,num,prompt,w);
if (i != 0)
{
- PEMerr(PEM_F_DEF_CALLBACK,PEM_R_PROBLEMS_GETTING_PASSWORD);
+ PEMerr(PEM_F_PEM_DEF_CALLBACK,PEM_R_PROBLEMS_GETTING_PASSWORD);
memset(buf,0,(unsigned int)num);
return(-1);
}
else
str="BAD-TYPE";
- strcat(buf,"Proc-Type: 4,");
- strcat(buf,str);
- strcat(buf,"\n");
+ BUF_strlcat(buf,"Proc-Type: 4,",PEM_BUFSIZE);
+ BUF_strlcat(buf,str,PEM_BUFSIZE);
+ BUF_strlcat(buf,"\n",PEM_BUFSIZE);
}
void PEM_dek_info(char *buf, const char *type, int len, char *str)
{
- static unsigned char map[17]="0123456789ABCDEF";
+ static const unsigned char map[17]="0123456789ABCDEF";
long i;
int j;
- strcat(buf,"DEK-Info: ");
- strcat(buf,type);
- strcat(buf,",");
+ BUF_strlcat(buf,"DEK-Info: ",PEM_BUFSIZE);
+ BUF_strlcat(buf,type,PEM_BUFSIZE);
+ BUF_strlcat(buf,",",PEM_BUFSIZE);
j=strlen(buf);
+ if (j + (len * 2) + 1 > PEM_BUFSIZE)
+ return;
for (i=0; i<len; i++)
{
buf[j+i*2] =map[(str[i]>>4)&0x0f];
buf[j+i*2+1]='\0';
}
-#ifndef NO_FP_API
-char *PEM_ASN1_read(char *(*d2i)(), const char *name, FILE *fp, char **x,
- pem_password_cb *cb, void *u)
+#ifndef OPENSSL_NO_FP_API
+void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
+ pem_password_cb *cb, void *u)
{
BIO *b;
- char *ret;
+ void *ret;
if ((b=BIO_new(BIO_s_file())) == NULL)
{
/* Make PEM_STRING_EVP_PKEY match any private key */
- if(!strcmp(nm,PEM_STRING_PKCS8) &&
- !strcmp(name,PEM_STRING_EVP_PKEY)) return 1;
-
- if(!strcmp(nm,PEM_STRING_PKCS8INF) &&
- !strcmp(name,PEM_STRING_EVP_PKEY)) return 1;
-
- if(!strcmp(nm,PEM_STRING_RSA) &&
- !strcmp(name,PEM_STRING_EVP_PKEY)) return 1;
+ if(!strcmp(name,PEM_STRING_EVP_PKEY))
+ {
+ int slen;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ if(!strcmp(nm,PEM_STRING_PKCS8))
+ return 1;
+ if(!strcmp(nm,PEM_STRING_PKCS8INF))
+ return 1;
+ slen = pem_check_suffix(nm, "PRIVATE KEY");
+ if (slen > 0)
+ {
+ /* NB: ENGINE implementations wont contain
+ * a deprecated old private key decode function
+ * so don't look for them.
+ */
+ ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
+ if (ameth && ameth->old_priv_decode)
+ return 1;
+ }
+ return 0;
+ }
- if(!strcmp(nm,PEM_STRING_DSA) &&
- !strcmp(name,PEM_STRING_EVP_PKEY)) return 1;
+ if(!strcmp(name,PEM_STRING_PARAMETERS))
+ {
+ int slen;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ slen = pem_check_suffix(nm, "PARAMETERS");
+ if (slen > 0)
+ {
+ ENGINE *e;
+ ameth = EVP_PKEY_asn1_find_str(&e, nm, slen);
+ if (ameth)
+ {
+ int r;
+ if (ameth->param_decode)
+ r = 1;
+ else
+ r = 0;
+#ifndef OPENSSL_NO_ENGINE
+ if (e)
+ ENGINE_finish(e);
+#endif
+ return r;
+ }
+ }
+ return 0;
+ }
+ /* If reading DH parameters handle X9.42 DH format too */
+ if(!strcmp(nm,PEM_STRING_DHXPARAMS) &&
+ !strcmp(name,PEM_STRING_DHPARAMS)) return 1;
/* Permit older strings */
if(!strcmp(nm,PEM_STRING_X509_OLD) &&
!strcmp(name,PEM_STRING_X509_TRUSTED)) return 1;
+ /* Some CAs use PKCS#7 with CERTIFICATE headers */
+ if(!strcmp(nm, PEM_STRING_X509) &&
+ !strcmp(name, PEM_STRING_PKCS7)) return 1;
+
+ if(!strcmp(nm, PEM_STRING_PKCS7_SIGNED) &&
+ !strcmp(name, PEM_STRING_PKCS7)) return 1;
+
+#ifndef OPENSSL_NO_CMS
+ if(!strcmp(nm, PEM_STRING_X509) &&
+ !strcmp(name, PEM_STRING_CMS)) return 1;
+ /* Allow CMS to be read from PKCS#7 headers */
+ if(!strcmp(nm, PEM_STRING_PKCS7) &&
+ !strcmp(name, PEM_STRING_CMS)) return 1;
+#endif
+
return 0;
}
-char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,
+int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp,
pem_password_cb *cb, void *u)
{
EVP_CIPHER_INFO cipher;
char *nm=NULL,*header=NULL;
- unsigned char *p=NULL,*data=NULL;
+ unsigned char *data=NULL;
long len;
- char *ret=NULL;
+ int ret = 0;
for (;;)
{
if(ERR_GET_REASON(ERR_peek_error()) ==
PEM_R_NO_START_LINE)
ERR_add_error_data(2, "Expecting: ", name);
- return(NULL);
+ return 0;
}
if(check_pem(nm, name)) break;
- Free(nm);
- Free(header);
- Free(data);
+ OPENSSL_free(nm);
+ OPENSSL_free(header);
+ OPENSSL_free(data);
}
if (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) goto err;
if (!PEM_do_header(&cipher,data,&len,cb,u)) goto err;
- p=data;
- if (strcmp(name,PEM_STRING_EVP_PKEY) == 0) {
- if (strcmp(nm,PEM_STRING_RSA) == 0)
- ret=d2i(EVP_PKEY_RSA,x,&p,len);
- else if (strcmp(nm,PEM_STRING_DSA) == 0)
- ret=d2i(EVP_PKEY_DSA,x,&p,len);
- else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) {
- PKCS8_PRIV_KEY_INFO *p8inf;
- p8inf=d2i_PKCS8_PRIV_KEY_INFO(
- (PKCS8_PRIV_KEY_INFO **) x, &p, len);
- ret = (char *)EVP_PKCS82PKEY(p8inf);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- } else if (strcmp(nm,PEM_STRING_PKCS8) == 0) {
- PKCS8_PRIV_KEY_INFO *p8inf;
- X509_SIG *p8;
- int klen;
- char psbuf[PEM_BUFSIZE];
- p8 = d2i_X509_SIG(NULL, &p, len);
- if(!p8) goto p8err;
- if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
- else klen=def_callback(psbuf,PEM_BUFSIZE,0,u);
- if (klen <= 0) {
- PEMerr(PEM_F_PEM_ASN1_READ_BIO,
- PEM_R_BAD_PASSWORD_READ);
- goto err;
- }
- p8inf = M_PKCS8_decrypt(p8, psbuf, klen);
- X509_SIG_free(p8);
- if(!p8inf) goto p8err;
- ret = (char *)EVP_PKCS82PKEY(p8inf);
- if(x) {
- if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
- *x = ret;
- }
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- }
- } else ret=d2i(x,&p,len);
-p8err:
- if (ret == NULL)
- PEMerr(PEM_F_PEM_ASN1_READ_BIO,ERR_R_ASN1_LIB);
+
+ *pdata = data;
+ *plen = len;
+
+ if (pnm)
+ *pnm = nm;
+
+ ret = 1;
+
err:
- Free(nm);
- Free(header);
- Free(data);
- return(ret);
+ if (!ret || !pnm) OPENSSL_free(nm);
+ OPENSSL_free(header);
+ if (!ret) OPENSSL_free(data);
+ return ret;
}
-#ifndef NO_FP_API
-int PEM_ASN1_write(int (*i2d)(), const char *name, FILE *fp, char *x,
- const EVP_CIPHER *enc, unsigned char *kstr, int klen,
- pem_password_cb *callback, void *u)
+#ifndef OPENSSL_NO_FP_API
+int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
+ void *x, const EVP_CIPHER *enc, unsigned char *kstr,
+ int klen, pem_password_cb *callback, void *u)
{
BIO *b;
int ret;
}
#endif
-int PEM_ASN1_write_bio(int (*i2d)(), const char *name, BIO *bp, char *x,
- const EVP_CIPHER *enc, unsigned char *kstr, int klen,
- pem_password_cb *callback, void *u)
+int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
+ void *x, const EVP_CIPHER *enc, unsigned char *kstr,
+ int klen, pem_password_cb *callback, void *u)
{
EVP_CIPHER_CTX ctx;
int dsize=0,i,j,ret=0;
if ((dsize=i2d(x,NULL)) < 0)
{
- PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_MALLOC_FAILURE);
+ PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_ASN1_LIB);
dsize=0;
goto err;
}
/* dzise + 8 bytes are needed */
- data=(unsigned char *)Malloc((unsigned int)dsize+20);
+ /* actually it needs the cipher block size extra... */
+ data=(unsigned char *)OPENSSL_malloc((unsigned int)dsize+20);
if (data == NULL)
{
PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_MALLOC_FAILURE);
if (kstr == NULL)
{
if (callback == NULL)
- klen=def_callback(buf,PEM_BUFSIZE,1,u);
+ klen=PEM_def_callback(buf,PEM_BUFSIZE,1,u);
else
klen=(*callback)(buf,PEM_BUFSIZE,1,u);
if (klen <= 0)
kstr=(unsigned char *)buf;
}
RAND_add(data,i,0);/* put in the RSA key. */
- if (RAND_bytes(iv,8) <= 0) /* Generate a salt */
+ OPENSSL_assert(enc->iv_len <= (int)sizeof(iv));
+ if (RAND_pseudo_bytes(iv,enc->iv_len) < 0) /* Generate a salt */
goto err;
/* The 'iv' is used as the iv and as a salt. It is
* NOT taken from the BytesToKey function */
- EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL);
+ if (!EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL))
+ goto err;
+
+ if (kstr == (unsigned char *)buf) OPENSSL_cleanse(buf,PEM_BUFSIZE);
- if (kstr == (unsigned char *)buf) memset(buf,0,PEM_BUFSIZE);
+ OPENSSL_assert(strlen(objstr)+23+2*enc->iv_len+13 <= sizeof buf);
buf[0]='\0';
PEM_proc_type(buf,PEM_TYPE_ENCRYPTED);
- PEM_dek_info(buf,objstr,8,(char *)iv);
+ PEM_dek_info(buf,objstr,enc->iv_len,(char *)iv);
/* k=strlen(buf); */
-
- EVP_EncryptInit(&ctx,enc,key,iv);
- EVP_EncryptUpdate(&ctx,data,&j,data,i);
- EVP_EncryptFinal(&ctx,&(data[j]),&i);
+
+ EVP_CIPHER_CTX_init(&ctx);
+ ret = 1;
+ if (!EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv)
+ || !EVP_EncryptUpdate(&ctx,data,&j,data,i)
+ || !EVP_EncryptFinal_ex(&ctx,&(data[j]),&i))
+ ret = 0;
+ EVP_CIPHER_CTX_cleanup(&ctx);
+ if (ret == 0)
+ goto err;
i+=j;
- ret=1;
}
else
{
i=PEM_write_bio(bp,name,buf,data,i);
if (i <= 0) ret=0;
err:
- memset(key,0,sizeof(key));
- memset(iv,0,sizeof(iv));
- memset((char *)&ctx,0,sizeof(ctx));
- memset(buf,0,PEM_BUFSIZE);
- memset(data,0,(unsigned int)dsize);
- Free(data);
+ OPENSSL_cleanse(key,sizeof(key));
+ OPENSSL_cleanse(iv,sizeof(iv));
+ OPENSSL_cleanse((char *)&ctx,sizeof(ctx));
+ OPENSSL_cleanse(buf,PEM_BUFSIZE);
+ if (data != NULL)
+ {
+ OPENSSL_cleanse(data,(unsigned int)dsize);
+ OPENSSL_free(data);
+ }
return(ret);
}
if (cipher->cipher == NULL) return(1);
if (callback == NULL)
- klen=def_callback(buf,PEM_BUFSIZE,0,u);
+ klen=PEM_def_callback(buf,PEM_BUFSIZE,0,u);
else
klen=callback(buf,PEM_BUFSIZE,0,u);
if (klen <= 0)
ebcdic2ascii(buf, buf, klen);
#endif
- EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]),
- (unsigned char *)buf,klen,1,key,NULL);
+ if (!EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]),
+ (unsigned char *)buf,klen,1,key,NULL))
+ return 0;
j=(int)len;
- EVP_DecryptInit(&ctx,cipher->cipher,key,&(cipher->iv[0]));
- EVP_DecryptUpdate(&ctx,data,&i,data,j);
- o=EVP_DecryptFinal(&ctx,&(data[i]),&j);
+ EVP_CIPHER_CTX_init(&ctx);
+ o = EVP_DecryptInit_ex(&ctx,cipher->cipher,NULL, key,&(cipher->iv[0]));
+ if (o)
+ o = EVP_DecryptUpdate(&ctx,data,&i,data,j);
+ if (o)
+ o = EVP_DecryptFinal_ex(&ctx,&(data[i]),&j);
EVP_CIPHER_CTX_cleanup(&ctx);
- memset((char *)buf,0,sizeof(buf));
- memset((char *)key,0,sizeof(key));
+ OPENSSL_cleanse((char *)buf,sizeof(buf));
+ OPENSSL_cleanse((char *)key,sizeof(key));
j+=i;
if (!o)
{
int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher)
{
- int o;
const EVP_CIPHER *enc=NULL;
char *p,c;
+ char **header_pp = &header;
cipher->cipher=NULL;
if ((header == NULL) || (*header == '\0') || (*header == '\n'))
header++;
}
*header='\0';
- o=OBJ_sn2nid(p);
cipher->cipher=enc=EVP_get_cipherbyname(p);
*header=c;
header++;
PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_UNSUPPORTED_ENCRYPTION);
return(0);
}
- if (!load_iv((unsigned char **)&header,&(cipher->iv[0]),8)) return(0);
+ if (!load_iv(header_pp,&(cipher->iv[0]),enc->iv_len))
+ return(0);
return(1);
}
-static int load_iv(unsigned char **fromp, unsigned char *to, int num)
+static int load_iv(char **fromp, unsigned char *to, int num)
{
int v,i;
- unsigned char *from;
+ char *from;
from= *fromp;
for (i=0; i<num; i++) to[i]=0;
return(1);
}
-#ifndef NO_FP_API
+#ifndef OPENSSL_NO_FP_API
int PEM_write(FILE *fp, char *name, char *header, unsigned char *data,
long len)
{
long len)
{
int nlen,n,i,j,outl;
- unsigned char *buf;
+ unsigned char *buf = NULL;
EVP_ENCODE_CTX ctx;
int reason=ERR_R_BUF_LIB;
goto err;
}
- buf=(unsigned char *)Malloc(PEM_BUFSIZE*8);
+ buf = OPENSSL_malloc(PEM_BUFSIZE*8);
if (buf == NULL)
{
reason=ERR_R_MALLOC_FAILURE;
}
EVP_EncodeFinal(&ctx,buf,&outl);
if ((outl > 0) && (BIO_write(bp,(char *)buf,outl) != outl)) goto err;
- Free(buf);
+ OPENSSL_cleanse(buf, PEM_BUFSIZE*8);
+ OPENSSL_free(buf);
+ buf = NULL;
if ( (BIO_write(bp,"-----END ",9) != 9) ||
(BIO_write(bp,name,nlen) != nlen) ||
(BIO_write(bp,"-----\n",6) != 6))
goto err;
return(i+outl);
err:
+ if (buf) {
+ OPENSSL_cleanse(buf, PEM_BUFSIZE*8);
+ OPENSSL_free(buf);
+ }
PEMerr(PEM_F_PEM_WRITE_BIO,reason);
return(0);
}
-#ifndef NO_FP_API
+#ifndef OPENSSL_NO_FP_API
int PEM_read(FILE *fp, char **name, char **header, unsigned char **data,
long *len)
{
dataB=BUF_MEM_new();
if ((nameB == NULL) || (headerB == NULL) || (dataB == NULL))
{
+ BUF_MEM_free(nameB);
+ BUF_MEM_free(headerB);
+ BUF_MEM_free(dataB);
PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);
return(0);
}
if (strncmp(buf,"-----END ",9) == 0)
break;
if (i > 65) break;
- if (!BUF_MEM_grow(dataB,i+bl+9))
+ if (!BUF_MEM_grow_clean(dataB,i+bl+9))
{
PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);
goto err;
*header=headerB->data;
*data=(unsigned char *)dataB->data;
*len=bl;
- Free(nameB);
- Free(headerB);
- Free(dataB);
+ OPENSSL_free(nameB);
+ OPENSSL_free(headerB);
+ OPENSSL_free(dataB);
return(1);
err:
BUF_MEM_free(nameB);
return(0);
}
-/* These functions write a private key in PKCS#8 format: it is a "drop in"
- * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
- * is NULL then it uses the unencrypted private key form. The 'nid' versions
- * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
+/* Check pem string and return prefix length.
+ * If for example the pem_str == "RSA PRIVATE KEY" and suffix = "PRIVATE KEY"
+ * the return value is 3 for the string "RSA".
*/
-int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
-}
-
-static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- X509_SIG *p8;
- PKCS8_PRIV_KEY_INFO *p8inf;
- char buf[PEM_BUFSIZE];
- int ret;
- if(!(p8inf = EVP_PKEY2PKCS8(x))) {
- PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY,
- PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
+int pem_check_suffix(const char *pem_str, const char *suffix)
+ {
+ int pem_len = strlen(pem_str);
+ int suffix_len = strlen(suffix);
+ const char *p;
+ if (suffix_len + 1 >= pem_len)
return 0;
+ p = pem_str + pem_len - suffix_len;
+ if (strcmp(p, suffix))
+ return 0;
+ p--;
+ if (*p != ' ')
+ return 0;
+ return p - pem_str;
}
- if(enc || (nid != -1)) {
- if(!kstr) {
- if(!cb) klen = def_callback(buf, PEM_BUFSIZE, 1, u);
- else klen = cb(buf, PEM_BUFSIZE, 1, u);
- if(klen <= 0) {
- PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY,
- PEM_R_READ_KEY);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- return 0;
- }
-
- kstr = buf;
- }
- p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
- if(kstr == buf) memset(buf, 0, klen);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- if(isder) ret = i2d_PKCS8_bio(bp, p8);
- else ret = PEM_write_bio_PKCS8(bp, p8);
- X509_SIG_free(p8);
- return ret;
- } else {
- if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
- else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- return ret;
- }
-}
-
-/* Finally the DER version to read PKCS#8 encrypted private keys. It has to be
- * here to access the default callback.
- */
-
-EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
-{
- PKCS8_PRIV_KEY_INFO *p8inf = NULL;
- X509_SIG *p8 = NULL;
- int klen;
- EVP_PKEY *ret;
- char psbuf[PEM_BUFSIZE];
- p8 = d2i_PKCS8_bio(bp, NULL);
- if(!p8) return NULL;
- if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
- else klen=def_callback(psbuf,PEM_BUFSIZE,0,u);
- if (klen <= 0) {
- PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
- X509_SIG_free(p8);
- return NULL;
- }
- p8inf = M_PKCS8_decrypt(p8, psbuf, klen);
- X509_SIG_free(p8);
- if(!p8inf) return NULL;
- ret = EVP_PKCS82PKEY(p8inf);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- if(!ret) return NULL;
- if(x) {
- if(*x) EVP_PKEY_free(*x);
- *x = ret;
- }
- return ret;
-}
-
-#ifndef NO_FP_API
-
-int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen, pem_password_cb *cb, void *u)
-{
- return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
-}
-
-static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
- char *kstr, int klen,
- pem_password_cb *cb, void *u)
-{
- BIO *bp;
- int ret;
- if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
- PEMerr(PEM_F_PEM_F_DO_PK8KEY_FP,ERR_R_BUF_LIB);
- return(0);
- }
- ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
- BIO_free(bp);
- return ret;
-}
-
-EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
-{
- BIO *bp;
- EVP_PKEY *ret;
- if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
- PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB);
- return NULL;
- }
- ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
- BIO_free(bp);
- return ret;
-}
-#endif
projects / openssl.git / blobdiff