X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fopenbsd_hw.c;fp=crypto%2Fevp%2Fopenbsd_hw.c;h=f36de2c3e19aa15835c0dcd86d660cbe150bd1bd;hp=e5252e2e937a6accbc602d601872ce2df0ae0fab;hb=0f113f3ee4d629ef9a4a30911b22b224772085e5;hpb=22b52164aaed31d6e93dbd2d397ace041360e6aa

diff --git a/crypto/evp/openbsd_hw.c b/crypto/evp/openbsd_hw.c
index e5252e2e93..f36de2c3e1 100644
--- a/crypto/evp/openbsd_hw.c
+++ b/crypto/evp/openbsd_hw.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -52,222 +52,213 @@
 #include <openssl/rsa.h>
 #include "evp_locl.h"
 
-/* This stuff should now all be supported through
- * crypto/engine/hw_openbsd_dev_crypto.c unless I botched it up */
-static void *dummy=&dummy;
+/*
+ * This stuff should now all be supported through
+ * crypto/engine/hw_openbsd_dev_crypto.c unless I botched it up
+ */
+static void *dummy = &dummy;
 
 #if 0
 
 /* check flag after OpenSSL headers to ensure make depend works */
-#ifdef OPENSSL_OPENBSD_DEV_CRYPTO
+# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
 
-#include <fcntl.h>
-#include <stdio.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <crypto/cryptodev.h>
-#include <unistd.h>
-#include <assert.h>
+#  include <fcntl.h>
+#  include <stdio.h>
+#  include <errno.h>
+#  include <sys/ioctl.h>
+#  include <crypto/cryptodev.h>
+#  include <unistd.h>
+#  include <assert.h>
 
 /* longest key supported in hardware */
-#define MAX_HW_KEY	24
-#define MAX_HW_IV	8
+#  define MAX_HW_KEY      24
+#  define MAX_HW_IV       8
 
-#define MD5_DIGEST_LENGTH	16
-#define MD5_CBLOCK		64
+#  define MD5_DIGEST_LENGTH       16
+#  define MD5_CBLOCK              64
 
 static int fd;
 static int dev_failed;
 
 typedef struct session_op session_op;
 
-#define CDATA(ctx) EVP_C_DATA(session_op,ctx)
+#  define CDATA(ctx) EVP_C_DATA(session_op,ctx)
 
 static void err(const char *str)
-    {
-    fprintf(stderr,"%s: errno %d\n",str,errno);
-    }
+{
+    fprintf(stderr, "%s: errno %d\n", str, errno);
+}
 
 static int dev_crypto_init(session_op *ses)
-    {
-    if(dev_failed)
-	return 0;
-    if(!fd)
-	{
-	int cryptodev_fd;
-
-        if ((cryptodev_fd=open("/dev/crypto",O_RDWR,0)) < 0)
-	    {
-	    err("/dev/crypto");
-	    dev_failed=1;
-	    return 0;
-	    }
-        if (ioctl(cryptodev_fd,CRIOGET,&fd) == -1)
-	    {
-	    err("CRIOGET failed");
-	    close(cryptodev_fd);
-	    dev_failed=1;
-	    return 0;
-	    }
-	close(cryptodev_fd);
-	}
+{
+    if (dev_failed)
+        return 0;
+    if (!fd) {
+        int cryptodev_fd;
+
+        if ((cryptodev_fd = open("/dev/crypto", O_RDWR, 0)) < 0) {
+            err("/dev/crypto");
+            dev_failed = 1;
+            return 0;
+        }
+        if (ioctl(cryptodev_fd, CRIOGET, &fd) == -1) {
+            err("CRIOGET failed");
+            close(cryptodev_fd);
+            dev_failed = 1;
+            return 0;
+        }
+        close(cryptodev_fd);
+    }
     assert(ses);
-    memset(ses,'\0',sizeof *ses);
+    memset(ses, '\0', sizeof *ses);
 
     return 1;
-    }
+}
 
 static int dev_crypto_cleanup(EVP_CIPHER_CTX *ctx)
-    {
-    if(ioctl(fd,CIOCFSESSION,&CDATA(ctx)->ses) == -1)
-	err("CIOCFSESSION failed");
+{
+    if (ioctl(fd, CIOCFSESSION, &CDATA(ctx)->ses) == -1)
+        err("CIOCFSESSION failed");
 
     OPENSSL_free(CDATA(ctx)->key);
 
     return 1;
-    }
+}
 
-static int dev_crypto_init_key(EVP_CIPHER_CTX *ctx,int cipher,
-			       const unsigned char *key,int klen)
-    {
-    if(!dev_crypto_init(CDATA(ctx)))
-	return 0;
+static int dev_crypto_init_key(EVP_CIPHER_CTX *ctx, int cipher,
+                               const unsigned char *key, int klen)
+{
+    if (!dev_crypto_init(CDATA(ctx)))
+        return 0;
 
-    CDATA(ctx)->key=OPENSSL_malloc(MAX_HW_KEY);
+    CDATA(ctx)->key = OPENSSL_malloc(MAX_HW_KEY);
     if (CDATA(ctx)->key == NULL)
         return 0;
 
     assert(ctx->cipher->iv_len <= MAX_HW_IV);
 
-    memcpy(CDATA(ctx)->key,key,klen);
-    
-    CDATA(ctx)->cipher=cipher;
-    CDATA(ctx)->keylen=klen;
+    memcpy(CDATA(ctx)->key, key, klen);
 
-    if (ioctl(fd,CIOCGSESSION,CDATA(ctx)) == -1)
-	{
-	err("CIOCGSESSION failed");
-	return 0;
-	}
-    return 1;
+    CDATA(ctx)->cipher = cipher;
+    CDATA(ctx)->keylen = klen;
+
+    if (ioctl(fd, CIOCGSESSION, CDATA(ctx)) == -1) {
+        err("CIOCGSESSION failed");
+        return 0;
     }
+    return 1;
+}
 
-static int dev_crypto_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
-			     const unsigned char *in,unsigned int inl)
-    {
+static int dev_crypto_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                             const unsigned char *in, unsigned int inl)
+{
     struct crypt_op cryp;
     unsigned char lb[MAX_HW_IV];
 
-    if(!inl)
-	return 1;
+    if (!inl)
+        return 1;
 
     assert(CDATA(ctx));
     assert(!dev_failed);
 
-    memset(&cryp,'\0',sizeof cryp);
-    cryp.ses=CDATA(ctx)->ses;
-    cryp.op=ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT;
-    cryp.flags=0;
-    cryp.len=inl;
-    assert((inl&(ctx->cipher->block_size-1)) == 0);
-    cryp.src=(caddr_t)in;
-    cryp.dst=(caddr_t)out;
-    cryp.mac=0;
-    if(ctx->cipher->iv_len)
-	cryp.iv=(caddr_t)ctx->iv;
-
-    if(!ctx->encrypt)
-	memcpy(lb,&in[cryp.len-ctx->cipher->iv_len],ctx->cipher->iv_len);
-
-    if(ioctl(fd, CIOCCRYPT, &cryp) == -1)
-	{
-	if(errno == EINVAL) /* buffers are misaligned */
-	    {
-	    unsigned int cinl=0;
-	    char *cin=NULL;
-	    char *cout=NULL;
-
-	    /* NB: this can only make cinl != inl with stream ciphers */
-	    cinl=(inl+3)/4*4;
-
-	    if(((unsigned long)in&3) || cinl != inl)
-		{
-		cin=OPENSSL_malloc(cinl);
-		if (cin == NULL)
-		    return 0;
-		memcpy(cin,in,inl);
-		cryp.src=cin;
-		}
-
-	    if(((unsigned long)out&3) || cinl != inl)
-		{
-		cout=OPENSSL_malloc(cinl);
-		if (cout == NULL)
-		    {
-		    if (cin != NULL)
-			OPENSSL_free(cin);
-		    return 0;
-		    }
-		cryp.dst=cout;
-		}
-
-	    cryp.len=cinl;
-
-	    if(ioctl(fd, CIOCCRYPT, &cryp) == -1)
-		{
-		err("CIOCCRYPT(2) failed");
-		printf("src=%p dst=%p\n",cryp.src,cryp.dst);
-		abort();
-		return 0;
-		}
-		
-	    if(cout)
-		{
-		memcpy(out,cout,inl);
-		OPENSSL_free(cout);
-		}
-	    if(cin)
-		OPENSSL_free(cin);
-	    }
-	else 
-	    {	    
-	    err("CIOCCRYPT failed");
-	    abort();
-	    return 0;
-	    }
-	}
-
-    if(ctx->encrypt)
-	memcpy(ctx->iv,&out[cryp.len-ctx->cipher->iv_len],ctx->cipher->iv_len);
+    memset(&cryp, '\0', sizeof cryp);
+    cryp.ses = CDATA(ctx)->ses;
+    cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT;
+    cryp.flags = 0;
+    cryp.len = inl;
+    assert((inl & (ctx->cipher->block_size - 1)) == 0);
+    cryp.src = (caddr_t) in;
+    cryp.dst = (caddr_t) out;
+    cryp.mac = 0;
+    if (ctx->cipher->iv_len)
+        cryp.iv = (caddr_t) ctx->iv;
+
+    if (!ctx->encrypt)
+        memcpy(lb, &in[cryp.len - ctx->cipher->iv_len], ctx->cipher->iv_len);
+
+    if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
+        if (errno == EINVAL) {  /* buffers are misaligned */
+            unsigned int cinl = 0;
+            char *cin = NULL;
+            char *cout = NULL;
+
+            /* NB: this can only make cinl != inl with stream ciphers */
+            cinl = (inl + 3) / 4 * 4;
+
+            if (((unsigned long)in & 3) || cinl != inl) {
+                cin = OPENSSL_malloc(cinl);
+                if (cin == NULL)
+                    return 0;
+                memcpy(cin, in, inl);
+                cryp.src = cin;
+            }
+
+            if (((unsigned long)out & 3) || cinl != inl) {
+                cout = OPENSSL_malloc(cinl);
+                if (cout == NULL) {
+                    if (cin != NULL)
+                        OPENSSL_free(cin);
+                    return 0;
+                }
+                cryp.dst = cout;
+            }
+
+            cryp.len = cinl;
+
+            if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
+                err("CIOCCRYPT(2) failed");
+                printf("src=%p dst=%p\n", cryp.src, cryp.dst);
+                abort();
+                return 0;
+            }
+
+            if (cout) {
+                memcpy(out, cout, inl);
+                OPENSSL_free(cout);
+            }
+            if (cin)
+                OPENSSL_free(cin);
+        } else {
+            err("CIOCCRYPT failed");
+            abort();
+            return 0;
+        }
+    }
+
+    if (ctx->encrypt)
+        memcpy(ctx->iv, &out[cryp.len - ctx->cipher->iv_len],
+               ctx->cipher->iv_len);
     else
-	memcpy(ctx->iv,lb,ctx->cipher->iv_len);
+        memcpy(ctx->iv, lb, ctx->cipher->iv_len);
 
     return 1;
-    }
+}
 
 static int dev_crypto_des_ede3_init_key(EVP_CIPHER_CTX *ctx,
-					const unsigned char *key,
-					const unsigned char *iv, int enc)
-    { return dev_crypto_init_key(ctx,CRYPTO_3DES_CBC,key,24); }
+                                        const unsigned char *key,
+                                        const unsigned char *iv, int enc)
+{
+    return dev_crypto_init_key(ctx, CRYPTO_3DES_CBC, key, 24);
+}
 
-#define dev_crypto_des_ede3_cbc_cipher dev_crypto_cipher
+#  define dev_crypto_des_ede3_cbc_cipher dev_crypto_cipher
 
 BLOCK_CIPHER_def_cbc(dev_crypto_des_ede3, session_op, NID_des_ede3, 8, 24, 8,
-		     0, dev_crypto_des_ede3_init_key,
-		     dev_crypto_cleanup, 
-		     EVP_CIPHER_set_asn1_iv,
-		     EVP_CIPHER_get_asn1_iv,
-		     NULL)
+                     0, dev_crypto_des_ede3_init_key,
+                     dev_crypto_cleanup,
+                     EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
 
 static int dev_crypto_rc4_init_key(EVP_CIPHER_CTX *ctx,
-					const unsigned char *key,
-					const unsigned char *iv, int enc)
-    { return dev_crypto_init_key(ctx,CRYPTO_ARC4,key,16); }
+                                   const unsigned char *key,
+                                   const unsigned char *iv, int enc)
+{
+    return dev_crypto_init_key(ctx, CRYPTO_ARC4, key, 16);
+}
 
-static const EVP_CIPHER r4_cipher=
-    {
+static const EVP_CIPHER r4_cipher = {
     NID_rc4,
-    1,16,0,	/* FIXME: key should be up to 256 bytes */
+    1, 16, 0,                   /* FIXME: key should be up to 256 bytes */
     EVP_CIPH_VARIABLE_LENGTH,
     dev_crypto_rc4_init_key,
     dev_crypto_cipher,
@@ -276,175 +267,166 @@ static const EVP_CIPHER r4_cipher=
     NULL,
     NULL,
     NULL
-    };
+};
 
 const EVP_CIPHER *EVP_dev_crypto_rc4(void)
-    { return &r4_cipher; }
+{
+    return &r4_cipher;
+}
 
-typedef struct
-    {
+typedef struct {
     session_op sess;
     char *data;
     int len;
     unsigned char md[EVP_MAX_MD_SIZE];
-    } MD_DATA;
+} MD_DATA;
 
-static int dev_crypto_init_digest(MD_DATA *md_data,int mac)
-    {
-    if(!dev_crypto_init(&md_data->sess))
-	return 0;
+static int dev_crypto_init_digest(MD_DATA *md_data, int mac)
+{
+    if (!dev_crypto_init(&md_data->sess))
+        return 0;
 
-    md_data->len=0;
-    md_data->data=NULL;
+    md_data->len = 0;
+    md_data->data = NULL;
 
-    md_data->sess.mac=mac;
+    md_data->sess.mac = mac;
 
-    if (ioctl(fd,CIOCGSESSION,&md_data->sess) == -1)
-	{
-	err("CIOCGSESSION failed");
-	return 0;
-	}
-    return 1;
+    if (ioctl(fd, CIOCGSESSION, &md_data->sess) == -1) {
+        err("CIOCGSESSION failed");
+        return 0;
     }
+    return 1;
+}
 
 static int dev_crypto_cleanup_digest(MD_DATA *md_data)
-    {
-    if (ioctl(fd,CIOCFSESSION,&md_data->sess.ses) == -1)
-	{
-	err("CIOCFSESSION failed");
-	return 0;
-	}
+{
+    if (ioctl(fd, CIOCFSESSION, &md_data->sess.ses) == -1) {
+        err("CIOCFSESSION failed");
+        return 0;
+    }
 
     return 1;
-    }
+}
 
 /* FIXME: if device can do chained MACs, then don't accumulate */
 /* FIXME: move accumulation to the framework */
 static int dev_crypto_md5_init(EVP_MD_CTX *ctx)
-    { return dev_crypto_init_digest(ctx->md_data,CRYPTO_MD5); }
+{
+    return dev_crypto_init_digest(ctx->md_data, CRYPTO_MD5);
+}
 
-static int do_digest(int ses,unsigned char *md,const void *data,int len)
-    {
+static int do_digest(int ses, unsigned char *md, const void *data, int len)
+{
     struct crypt_op cryp;
-    static const unsigned char md5zero[16]=
-	{
-	0xd4,0x1d,0x8c,0xd9,0x8f,0x00,0xb2,0x04,
-	0xe9,0x80,0x09,0x98,0xec,0xf8,0x42,0x7e
-	};
+    static const unsigned char md5zero[16] = {
+        0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
+        0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e
+    };
 
     /* some cards can't do zero length */
-    if(!len)
-	{
-	memcpy(md,md5zero,16);
-	return 1;
-	}
-
-    memset(&cryp,'\0',sizeof cryp);
-    cryp.ses=ses;
-    cryp.op=COP_ENCRYPT;/* required to do the MAC rather than check it */
-    cryp.len=len;
-    cryp.src=(caddr_t)data;
-    cryp.dst=(caddr_t)data; // FIXME!!!
-    cryp.mac=(caddr_t)md;
-
-    if(ioctl(fd, CIOCCRYPT, &cryp) == -1)
-	{
-	if(errno == EINVAL) /* buffer is misaligned */
-	    {
-	    char *dcopy;
-
-	    dcopy=OPENSSL_malloc(len);
-	    memcpy(dcopy,data,len);
-	    cryp.src=dcopy;
-	    cryp.dst=cryp.src; // FIXME!!!
-
-	    if(ioctl(fd, CIOCCRYPT, &cryp) == -1)
-		{
-		err("CIOCCRYPT(MAC2) failed");
-		abort();
-		return 0;
-		}
-	    OPENSSL_free(dcopy);
-	    }
-	else
-	    {
-	    err("CIOCCRYPT(MAC) failed");
-	    abort();
-	    return 0;
-	    }
-	}
-    //    printf("done\n");
+    if (!len) {
+        memcpy(md, md5zero, 16);
+        return 1;
+    }
 
-    return 1;
+    memset(&cryp, '\0', sizeof cryp);
+    cryp.ses = ses;
+    cryp.op = COP_ENCRYPT;      /* required to do the MAC rather than check
+                                 * it */
+    cryp.len = len;
+    cryp.src = (caddr_t) data;
+    cryp.dst = (caddr_t) data;  // FIXME!!!
+    cryp.mac = (caddr_t) md;
+
+    if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
+        if (errno == EINVAL) {  /* buffer is misaligned */
+            char *dcopy;
+
+            dcopy = OPENSSL_malloc(len);
+            memcpy(dcopy, data, len);
+            cryp.src = dcopy;
+            cryp.dst = cryp.src; // FIXME!!!
+
+            if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
+                err("CIOCCRYPT(MAC2) failed");
+                abort();
+                return 0;
+            }
+            OPENSSL_free(dcopy);
+        } else {
+            err("CIOCCRYPT(MAC) failed");
+            abort();
+            return 0;
+        }
     }
+    // printf("done\n");
 
-static int dev_crypto_md5_update(EVP_MD_CTX *ctx,const void *data,
-				 unsigned long len)
-    {
-    MD_DATA *md_data=ctx->md_data;
+    return 1;
+}
+
+static int dev_crypto_md5_update(EVP_MD_CTX *ctx, const void *data,
+                                 unsigned long len)
+{
+    MD_DATA *md_data = ctx->md_data;
     char *tmp_md_data;
 
-    if(ctx->flags&EVP_MD_CTX_FLAG_ONESHOT)
-	return do_digest(md_data->sess.ses,md_data->md,data,len);
+    if (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)
+        return do_digest(md_data->sess.ses, md_data->md, data, len);
 
-    tmp_md_data=OPENSSL_realloc(md_data->data,md_data->len+len);
+    tmp_md_data = OPENSSL_realloc(md_data->data, md_data->len + len);
     if (tmp_md_data == NULL)
-	return 0;
-    md_data->data=tmp_md_data;
-    memcpy(md_data->data+md_data->len,data,len);
-    md_data->len+=len;
+        return 0;
+    md_data->data = tmp_md_data;
+    memcpy(md_data->data + md_data->len, data, len);
+    md_data->len += len;
 
     return 1;
-    }	
+}
 
-static int dev_crypto_md5_final(EVP_MD_CTX *ctx,unsigned char *md)
-    {
+static int dev_crypto_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
     int ret;
-    MD_DATA *md_data=ctx->md_data;
-
-    if(ctx->flags&EVP_MD_CTX_FLAG_ONESHOT)
-	{
-	memcpy(md,md_data->md,MD5_DIGEST_LENGTH);
-	ret=1;
-	}
-    else
-	{
-	ret=do_digest(md_data->sess.ses,md,md_data->data,md_data->len);
-	OPENSSL_free(md_data->data);
-	md_data->data=NULL;
-	md_data->len=0;
-	}
+    MD_DATA *md_data = ctx->md_data;
+
+    if (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) {
+        memcpy(md, md_data->md, MD5_DIGEST_LENGTH);
+        ret = 1;
+    } else {
+        ret = do_digest(md_data->sess.ses, md, md_data->data, md_data->len);
+        OPENSSL_free(md_data->data);
+        md_data->data = NULL;
+        md_data->len = 0;
+    }
 
     return ret;
-    }
+}
 
-static int dev_crypto_md5_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from)
-    {
-    const MD_DATA *from_md=from->md_data;
-    MD_DATA *to_md=to->md_data;
+static int dev_crypto_md5_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
+{
+    const MD_DATA *from_md = from->md_data;
+    MD_DATA *to_md = to->md_data;
 
     // How do we copy sessions?
-    assert(from->digest->flags&EVP_MD_FLAG_ONESHOT);
+    assert(from->digest->flags & EVP_MD_FLAG_ONESHOT);
 
-    to_md->data=OPENSSL_malloc(from_md->len);
+    to_md->data = OPENSSL_malloc(from_md->len);
     if (to_md->data == NULL)
-	return 0;
-    memcpy(to_md->data,from_md->data,from_md->len);
+        return 0;
+    memcpy(to_md->data, from_md->data, from_md->len);
 
     return 1;
-    }
+}
 
 static int dev_crypto_md5_cleanup(EVP_MD_CTX *ctx)
-    {
+{
     return dev_crypto_cleanup_digest(ctx->md_data);
-    }
+}
 
-static const EVP_MD md5_md=
-    {
+static const EVP_MD md5_md = {
     NID_md5,
     NID_md5WithRSAEncryption,
     MD5_DIGEST_LENGTH,
-    EVP_MD_FLAG_ONESHOT,	// XXX: set according to device info...
+    EVP_MD_FLAG_ONESHOT,        // XXX: set according to device info...
     dev_crypto_md5_init,
     dev_crypto_md5_update,
     dev_crypto_md5_final,
@@ -453,10 +435,12 @@ static const EVP_MD md5_md=
     EVP_PKEY_RSA_method,
     MD5_CBLOCK,
     sizeof(MD_DATA),
-    };
+};
 
 const EVP_MD *EVP_dev_crypto_md5(void)
-    { return &md5_md; }
+{
+    return &md5_md;
+}
 
-#endif
+# endif
 #endif