* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_RSA */
#ifndef OPENSSL_NO_RSA
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/evp.h>
-#include <openssl/rand.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
+# include <stdio.h>
+# include "cryptlib.h"
+# include <openssl/evp.h>
+# include <openssl/rand.h>
+# include <openssl/objects.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+# include <openssl/rsa.h>
int PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type, EVP_MD *md_type,
- unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk,
- int npubk)
- {
- unsigned char key[EVP_MAX_KEY_LENGTH];
- int ret= -1;
- int i,j,max=0;
- char *s=NULL;
-
- for (i=0; i<npubk; i++)
- {
- if (pubk[i]->type != EVP_PKEY_RSA)
- {
- PEMerr(PEM_F_PEM_SEALINIT,PEM_R_PUBLIC_KEY_NO_RSA);
- goto err;
- }
- j=RSA_size(pubk[i]->pkey.rsa);
- if (j > max) max=j;
- }
- s=(char *)OPENSSL_malloc(max*2);
- if (s == NULL)
- {
- PEMerr(PEM_F_PEM_SEALINIT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- EVP_EncodeInit(&ctx->encode);
-
- EVP_MD_CTX_init(&ctx->md);
- EVP_SignInit(&ctx->md,md_type);
-
- EVP_CIPHER_CTX_init(&ctx->cipher);
- ret=EVP_SealInit(&ctx->cipher,type,ek,ekl,iv,pubk,npubk);
- if (!ret) goto err;
-
- /* base64 encode the keys */
- for (i=0; i<npubk; i++)
- {
- j=EVP_EncodeBlock((unsigned char *)s,ek[i],
- RSA_size(pubk[i]->pkey.rsa));
- ekl[i]=j;
- memcpy(ek[i],s,j+1);
- }
-
- ret=npubk;
-err:
- if (s != NULL) OPENSSL_free(s);
- memset(key,0,EVP_MAX_KEY_LENGTH);
- return(ret);
- }
+ unsigned char **ek, int *ekl, unsigned char *iv,
+ EVP_PKEY **pubk, int npubk)
+{
+ unsigned char key[EVP_MAX_KEY_LENGTH];
+ int ret = -1;
+ int i, j, max = 0;
+ char *s = NULL;
+
+ for (i = 0; i < npubk; i++) {
+ if (pubk[i]->type != EVP_PKEY_RSA) {
+ PEMerr(PEM_F_PEM_SEALINIT, PEM_R_PUBLIC_KEY_NO_RSA);
+ goto err;
+ }
+ j = RSA_size(pubk[i]->pkey.rsa);
+ if (j > max)
+ max = j;
+ }
+ s = (char *)OPENSSL_malloc(max * 2);
+ if (s == NULL) {
+ PEMerr(PEM_F_PEM_SEALINIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ EVP_EncodeInit(&ctx->encode);
+
+ EVP_MD_CTX_init(&ctx->md);
+ if (!EVP_SignInit(&ctx->md, md_type))
+ goto err;
+
+ EVP_CIPHER_CTX_init(&ctx->cipher);
+ ret = EVP_SealInit(&ctx->cipher, type, ek, ekl, iv, pubk, npubk);
+ if (ret <= 0)
+ goto err;
+
+ /* base64 encode the keys */
+ for (i = 0; i < npubk; i++) {
+ j = EVP_EncodeBlock((unsigned char *)s, ek[i],
+ RSA_size(pubk[i]->pkey.rsa));
+ ekl[i] = j;
+ memcpy(ek[i], s, j + 1);
+ }
+
+ ret = npubk;
+ err:
+ if (s != NULL)
+ OPENSSL_free(s);
+ OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
+ return (ret);
+}
void PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
- unsigned char *in, int inl)
- {
- unsigned char buffer[1600];
- int i,j;
-
- *outl=0;
- EVP_SignUpdate(&ctx->md,in,inl);
- for (;;)
- {
- if (inl <= 0) break;
- if (inl > 1200)
- i=1200;
- else
- i=inl;
- EVP_EncryptUpdate(&ctx->cipher,buffer,&j,in,i);
- EVP_EncodeUpdate(&ctx->encode,out,&j,buffer,j);
- *outl+=j;
- out+=j;
- in+=i;
- inl-=i;
- }
- }
+ unsigned char *in, int inl)
+{
+ unsigned char buffer[1600];
+ int i, j;
+
+ *outl = 0;
+ EVP_SignUpdate(&ctx->md, in, inl);
+ for (;;) {
+ if (inl <= 0)
+ break;
+ if (inl > 1200)
+ i = 1200;
+ else
+ i = inl;
+ EVP_EncryptUpdate(&ctx->cipher, buffer, &j, in, i);
+ EVP_EncodeUpdate(&ctx->encode, out, &j, buffer, j);
+ *outl += j;
+ out += j;
+ in += i;
+ inl -= i;
+ }
+}
int PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig, int *sigl,
- unsigned char *out, int *outl, EVP_PKEY *priv)
- {
- unsigned char *s=NULL;
- int ret=0,j;
- unsigned int i;
-
- if (priv->type != EVP_PKEY_RSA)
- {
- PEMerr(PEM_F_PEM_SEALFINAL,PEM_R_PUBLIC_KEY_NO_RSA);
- goto err;
- }
- i=RSA_size(priv->pkey.rsa);
- if (i < 100) i=100;
- s=(unsigned char *)OPENSSL_malloc(i*2);
- if (s == NULL)
- {
- PEMerr(PEM_F_PEM_SEALFINAL,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- EVP_EncryptFinal_ex(&ctx->cipher,s,(int *)&i);
- EVP_EncodeUpdate(&ctx->encode,out,&j,s,i);
- *outl=j;
- out+=j;
- EVP_EncodeFinal(&ctx->encode,out,&j);
- *outl+=j;
-
- if (!EVP_SignFinal(&ctx->md,s,&i,priv)) goto err;
- *sigl=EVP_EncodeBlock(sig,s,i);
-
- ret=1;
-err:
- EVP_MD_CTX_cleanup(&ctx->md);
- EVP_CIPHER_CTX_cleanup(&ctx->cipher);
- if (s != NULL) OPENSSL_free(s);
- return(ret);
- }
-#else /* !OPENSSL_NO_RSA */
+ unsigned char *out, int *outl, EVP_PKEY *priv)
+{
+ unsigned char *s = NULL;
+ int ret = 0, j;
+ unsigned int i;
+
+ if (priv->type != EVP_PKEY_RSA) {
+ PEMerr(PEM_F_PEM_SEALFINAL, PEM_R_PUBLIC_KEY_NO_RSA);
+ goto err;
+ }
+ i = RSA_size(priv->pkey.rsa);
+ if (i < 100)
+ i = 100;
+ s = (unsigned char *)OPENSSL_malloc(i * 2);
+ if (s == NULL) {
+ PEMerr(PEM_F_PEM_SEALFINAL, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!EVP_EncryptFinal_ex(&ctx->cipher, s, (int *)&i))
+ goto err;
+ EVP_EncodeUpdate(&ctx->encode, out, &j, s, i);
+ *outl = j;
+ out += j;
+ EVP_EncodeFinal(&ctx->encode, out, &j);
+ *outl += j;
+
+ if (!EVP_SignFinal(&ctx->md, s, &i, priv))
+ goto err;
+ *sigl = EVP_EncodeBlock(sig, s, i);
+
+ ret = 1;
+ err:
+ EVP_MD_CTX_cleanup(&ctx->md);
+ EVP_CIPHER_CTX_cleanup(&ctx->cipher);
+ if (s != NULL)
+ OPENSSL_free(s);
+ return (ret);
+}
+#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif
projects / openssl.git / blobdiff