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-rw-r--r--crypto/evp/bio_md.c349
1 files changed, 173 insertions, 176 deletions
diff --git a/crypto/evp/bio_md.c b/crypto/evp/bio_md.c
index 144fdfd56a0e..f0b0c0c0a7a8 100644
--- a/crypto/evp/bio_md.c
+++ b/crypto/evp/bio_md.c
@@ -5,21 +5,21 @@
* 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:
@@ -34,10 +34,10 @@
* 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
@@ -49,7 +49,7 @@
* 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
@@ -62,214 +62,211 @@
#include <openssl/buffer.h>
#include <openssl/evp.h>
-/* BIO_put and BIO_get both add to the digest,
- * BIO_gets returns the digest */
+/*
+ * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
+ */
static int md_write(BIO *h, char const *buf, int num);
static int md_read(BIO *h, char *buf, int size);
-/*static int md_puts(BIO *h, const char *str); */
+/*
+ * static int md_puts(BIO *h, const char *str);
+ */
static int md_gets(BIO *h, char *str, int size);
static long md_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int md_new(BIO *h);
static int md_free(BIO *data);
-static long md_callback_ctrl(BIO *h,int cmd,bio_info_cb *fp);
+static long md_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
-static BIO_METHOD methods_md=
- {
- BIO_TYPE_MD,"message digest",
- md_write,
- md_read,
- NULL, /* md_puts, */
- md_gets,
- md_ctrl,
- md_new,
- md_free,
- md_callback_ctrl,
- };
+static BIO_METHOD methods_md = {
+ BIO_TYPE_MD, "message digest",
+ md_write,
+ md_read,
+ NULL, /* md_puts, */
+ md_gets,
+ md_ctrl,
+ md_new,
+ md_free,
+ md_callback_ctrl,
+};
BIO_METHOD *BIO_f_md(void)
- {
- return(&methods_md);
- }
+{
+ return (&methods_md);
+}
static int md_new(BIO *bi)
- {
- EVP_MD_CTX *ctx;
+{
+ EVP_MD_CTX *ctx;
- ctx=EVP_MD_CTX_create();
- if (ctx == NULL) return(0);
+ ctx = EVP_MD_CTX_create();
+ if (ctx == NULL)
+ return (0);
- bi->init=0;
- bi->ptr=(char *)ctx;
- bi->flags=0;
- return(1);
- }
+ bi->init = 0;
+ bi->ptr = (char *)ctx;
+ bi->flags = 0;
+ return (1);
+}
static int md_free(BIO *a)
- {
- if (a == NULL) return(0);
- EVP_MD_CTX_destroy(a->ptr);
- a->ptr=NULL;
- a->init=0;
- a->flags=0;
- return(1);
- }
-
+{
+ if (a == NULL)
+ return (0);
+ EVP_MD_CTX_destroy(a->ptr);
+ a->ptr = NULL;
+ a->init = 0;
+ a->flags = 0;
+ return (1);
+}
+
static int md_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- EVP_MD_CTX *ctx;
+{
+ int ret = 0;
+ EVP_MD_CTX *ctx;
- if (out == NULL) return(0);
- ctx=b->ptr;
+ if (out == NULL)
+ return (0);
+ ctx = b->ptr;
- if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
+ if ((ctx == NULL) || (b->next_bio == NULL))
+ return (0);
- ret=BIO_read(b->next_bio,out,outl);
- if (b->init)
- {
- if (ret > 0)
- {
- if (EVP_DigestUpdate(ctx,(unsigned char *)out,
- (unsigned int)ret)<=0) return (-1);
- }
- }
- BIO_clear_retry_flags(b);
- BIO_copy_next_retry(b);
- return(ret);
- }
+ ret = BIO_read(b->next_bio, out, outl);
+ if (b->init) {
+ if (ret > 0) {
+ if (EVP_DigestUpdate(ctx, (unsigned char *)out,
+ (unsigned int)ret) <= 0)
+ return (-1);
+ }
+ }
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return (ret);
+}
static int md_write(BIO *b, const char *in, int inl)
- {
- int ret=0;
- EVP_MD_CTX *ctx;
+{
+ int ret = 0;
+ EVP_MD_CTX *ctx;
- if ((in == NULL) || (inl <= 0)) return(0);
- ctx=b->ptr;
+ if ((in == NULL) || (inl <= 0))
+ return (0);
+ ctx = b->ptr;
- if ((ctx != NULL) && (b->next_bio != NULL))
- ret=BIO_write(b->next_bio,in,inl);
- if (b->init)
- {
- if (ret > 0)
- {
- if (!EVP_DigestUpdate(ctx,(const unsigned char *)in,
- (unsigned int)ret))
- {
- BIO_clear_retry_flags(b);
- return 0;
- }
- }
- }
- if(b->next_bio != NULL)
- {
- BIO_clear_retry_flags(b);
- BIO_copy_next_retry(b);
- }
- return(ret);
- }
+ if ((ctx != NULL) && (b->next_bio != NULL))
+ ret = BIO_write(b->next_bio, in, inl);
+ if (b->init) {
+ if (ret > 0) {
+ if (!EVP_DigestUpdate(ctx, (const unsigned char *)in,
+ (unsigned int)ret)) {
+ BIO_clear_retry_flags(b);
+ return 0;
+ }
+ }
+ }
+ if (b->next_bio != NULL) {
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ }
+ return (ret);
+}
static long md_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- EVP_MD_CTX *ctx,*dctx,**pctx;
- const EVP_MD **ppmd;
- EVP_MD *md;
- long ret=1;
- BIO *dbio;
+{
+ EVP_MD_CTX *ctx, *dctx, **pctx;
+ const EVP_MD **ppmd;
+ EVP_MD *md;
+ long ret = 1;
+ BIO *dbio;
- ctx=b->ptr;
+ ctx = b->ptr;
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- if (b->init)
- ret = EVP_DigestInit_ex(ctx,ctx->digest, NULL);
- else
- ret=0;
- if (ret > 0)
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_C_GET_MD:
- if (b->init)
- {
- ppmd=ptr;
- *ppmd=ctx->digest;
- }
- else
- ret=0;
- break;
- case BIO_C_GET_MD_CTX:
- pctx=ptr;
- *pctx=ctx;
- b->init = 1;
- break;
- case BIO_C_SET_MD_CTX:
- if (b->init)
- b->ptr=ptr;
- else
- ret=0;
- break;
- case BIO_C_DO_STATE_MACHINE:
- BIO_clear_retry_flags(b);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- BIO_copy_next_retry(b);
- break;
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ if (b->init)
+ ret = EVP_DigestInit_ex(ctx, ctx->digest, NULL);
+ else
+ ret = 0;
+ if (ret > 0)
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ case BIO_C_GET_MD:
+ if (b->init) {
+ ppmd = ptr;
+ *ppmd = ctx->digest;
+ } else
+ ret = 0;
+ break;
+ case BIO_C_GET_MD_CTX:
+ pctx = ptr;
+ *pctx = ctx;
+ b->init = 1;
+ break;
+ case BIO_C_SET_MD_CTX:
+ if (b->init)
+ b->ptr = ptr;
+ else
+ ret = 0;
+ break;
+ case BIO_C_DO_STATE_MACHINE:
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
- case BIO_C_SET_MD:
- md=ptr;
- ret = EVP_DigestInit_ex(ctx,md, NULL);
- if (ret > 0)
- b->init=1;
- break;
- case BIO_CTRL_DUP:
- dbio=ptr;
- dctx=dbio->ptr;
- if (!EVP_MD_CTX_copy_ex(dctx,ctx))
- return 0;
- b->init=1;
- break;
- default:
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- }
- return(ret);
- }
+ case BIO_C_SET_MD:
+ md = ptr;
+ ret = EVP_DigestInit_ex(ctx, md, NULL);
+ if (ret > 0)
+ b->init = 1;
+ break;
+ case BIO_CTRL_DUP:
+ dbio = ptr;
+ dctx = dbio->ptr;
+ if (!EVP_MD_CTX_copy_ex(dctx, ctx))
+ return 0;
+ b->init = 1;
+ break;
+ default:
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+ return (ret);
+}
static long md_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
- {
- long ret=1;
+{
+ long ret = 1;
- if (b->next_bio == NULL) return(0);
- switch (cmd)
- {
- default:
- ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
- break;
- }
- return(ret);
- }
+ if (b->next_bio == NULL)
+ return (0);
+ switch (cmd) {
+ default:
+ ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+ break;
+ }
+ return (ret);
+}
static int md_gets(BIO *bp, char *buf, int size)
- {
- EVP_MD_CTX *ctx;
- unsigned int ret;
+{
+ EVP_MD_CTX *ctx;
+ unsigned int ret;
+ ctx = bp->ptr;
+ if (size < ctx->digest->md_size)
+ return (0);
+ if (EVP_DigestFinal_ex(ctx, (unsigned char *)buf, &ret) <= 0)
+ return -1;
- ctx=bp->ptr;
- if (size < ctx->digest->md_size)
- return(0);
- if (EVP_DigestFinal_ex(ctx,(unsigned char *)buf,&ret)<=0)
- return -1;
-
- return((int)ret);
- }
+ return ((int)ret);
+}
-/*
+/*-
static int md_puts(bp,str)
BIO *bp;
char *str;
- {
- return(-1);
- }
+ {
+ return(-1);
+ }
*/
-