Update Cryptlib and openssl

Update Cryptlib to r16559 and openssl to 0.9.8zf

Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>

1 files changed, 288 insertions, 269 deletions

diff --git a/Cryptlib/OpenSSL/crypto/evp/enc_min.c b/Cryptlib/OpenSSL/crypto/evp/enc_min.c
index a8c176fb..77e0126e 100644
--- a/Cryptlib/OpenSSL/crypto/evp/enc_min.c
+++ b/Cryptlib/OpenSSL/crypto/evp/enc_min.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
@@ -62,330 +62,349 @@
 #include <openssl/err.h>
 #include <openssl/rand.h>
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 #include "evp_locl.h"
 
 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx)
-	{
+{
 #ifdef OPENSSL_FIPS
-	FIPS_selftest_check();
+    FIPS_selftest_check();
 #endif
-	memset(ctx,0,sizeof(EVP_CIPHER_CTX));
-	/* ctx->cipher=NULL; */
-	}
+    memset(ctx, 0, sizeof(EVP_CIPHER_CTX));
+    /* ctx->cipher=NULL; */
+}
 
 #ifdef OPENSSL_FIPS
 
-/* The purpose of these is to trap programs that attempt to use non FIPS
+/*
+ * The purpose of these is to trap programs that attempt to use non FIPS
  * algorithms in FIPS mode and ignore the errors.
  */
 
 static int bad_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-		    const unsigned char *iv, int enc)
-	{ FIPS_ERROR_IGNORED("Cipher init"); return 0;}
+                    const unsigned char *iv, int enc)
+{
+    FIPS_ERROR_IGNORED("Cipher init");
+    return 0;
+}
 
 static int bad_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
-			 const unsigned char *in, unsigned int inl)
-	{ FIPS_ERROR_IGNORED("Cipher update"); return 0;}
+                         const unsigned char *in, unsigned int inl)
+{
+    FIPS_ERROR_IGNORED("Cipher update");
+    return 0;
+}
 
 /* NB: no cleanup because it is allowed after failed init */
 
 static int bad_set_asn1(EVP_CIPHER_CTX *ctx, ASN1_TYPE *typ)
-	{ FIPS_ERROR_IGNORED("Cipher set_asn1"); return 0;}
+{
+    FIPS_ERROR_IGNORED("Cipher set_asn1");
+    return 0;
+}
+
 static int bad_get_asn1(EVP_CIPHER_CTX *ctx, ASN1_TYPE *typ)
-	{ FIPS_ERROR_IGNORED("Cipher get_asn1"); return 0;}
+{
+    FIPS_ERROR_IGNORED("Cipher get_asn1");
+    return 0;
+}
+
 static int bad_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
-	{ FIPS_ERROR_IGNORED("Cipher ctrl"); return 0;}
-
-static const EVP_CIPHER bad_cipher =
-	{
-	0,
-	0,
-	0,
-	0,
-	0,
-	bad_init,
-	bad_do_cipher,
-	NULL,
-	0,
-	bad_set_asn1,
-	bad_get_asn1,
-	bad_ctrl,
-	NULL
-	};
+{
+    FIPS_ERROR_IGNORED("Cipher ctrl");
+    return 0;
+}
+
+static const EVP_CIPHER bad_cipher = {
+    0,
+    0,
+    0,
+    0,
+    0,
+    bad_init,
+    bad_do_cipher,
+    NULL,
+    0,
+    bad_set_asn1,
+    bad_get_asn1,
+    bad_ctrl,
+    NULL
+};
 
 #endif
 
 #ifndef OPENSSL_NO_ENGINE
 
-#ifdef OPENSSL_FIPS
+# ifdef OPENSSL_FIPS
+
+static int do_engine_null(ENGINE *impl)
+{
+    return 0;
+}
 
-static int do_engine_null(ENGINE *impl) { return 0;}
 static int do_evp_enc_engine_null(EVP_CIPHER_CTX *ctx,
-				const EVP_CIPHER **pciph, ENGINE *impl)
-	{ return 1; }
+                                  const EVP_CIPHER **pciph, ENGINE *impl)
+{
+    return 1;
+}
 
-static int (*do_engine_finish)(ENGINE *impl)
-		= do_engine_null;
+static int (*do_engine_finish) (ENGINE *impl)
+    = do_engine_null;
 
 static int (*do_evp_enc_engine)
-	(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl)
-		= do_evp_enc_engine_null;
-
-void int_EVP_CIPHER_set_engine_callbacks(
-	int (*eng_ciph_fin)(ENGINE *impl),
-	int (*eng_ciph_evp)
-		(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl))
-	{
-	do_engine_finish = eng_ciph_fin;
-	do_evp_enc_engine = eng_ciph_evp;
-	}
-
-#else
-
-#define do_engine_finish ENGINE_finish
-
-static int do_evp_enc_engine(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pcipher, ENGINE *impl)
-	{
-	if(impl)
-		{
-		if (!ENGINE_init(impl))
-			{
-			EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR);
-			return 0;
-			}
-		}
-	else
-		/* Ask if an ENGINE is reserved for this job */
-		impl = ENGINE_get_cipher_engine((*pcipher)->nid);
-	if(impl)
-		{
-		/* There's an ENGINE for this job ... (apparently) */
-		const EVP_CIPHER *c = ENGINE_get_cipher(impl, (*pcipher)->nid);
-		if(!c)
-			{
-			/* One positive side-effect of US's export
-			 * control history, is that we should at least
-			 * be able to avoid using US mispellings of
-			 * "initialisation"? */
-			EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR);
-			return 0;
-			}
-		/* We'll use the ENGINE's private cipher definition */
-		*pcipher = c;
-		/* Store the ENGINE functional reference so we know
-		 * 'cipher' came from an ENGINE and we need to release
-		 * it when done. */
-		ctx->engine = impl;
-		}
-	else
-		ctx->engine = NULL;
-	return 1;
-	}
+ (EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl)
+    = do_evp_enc_engine_null;
+
+void int_EVP_CIPHER_set_engine_callbacks(int (*eng_ciph_fin) (ENGINE *impl),
+                                         int (*eng_ciph_evp)
+                                          (EVP_CIPHER_CTX *ctx,
+                                           const EVP_CIPHER **pciph,
+                                           ENGINE *impl))
+{
+    do_engine_finish = eng_ciph_fin;
+    do_evp_enc_engine = eng_ciph_evp;
+}
 
-#endif
+# else
+
+#  define do_engine_finish ENGINE_finish
+
+static int do_evp_enc_engine(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pcipher,
+                             ENGINE *impl)
+{
+    if (impl) {
+        if (!ENGINE_init(impl)) {
+            EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR);
+            return 0;
+        }
+    } else
+        /* Ask if an ENGINE is reserved for this job */
+        impl = ENGINE_get_cipher_engine((*pcipher)->nid);
+    if (impl) {
+        /* There's an ENGINE for this job ... (apparently) */
+        const EVP_CIPHER *c = ENGINE_get_cipher(impl, (*pcipher)->nid);
+        if (!c) {
+            /*
+             * One positive side-effect of US's export control history, is
+             * that we should at least be able to avoid using US mispellings
+             * of "initialisation"?
+             */
+            EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR);
+            return 0;
+        }
+        /* We'll use the ENGINE's private cipher definition */
+        *pcipher = c;
+        /*
+         * Store the ENGINE functional reference so we know 'cipher' came
+         * from an ENGINE and we need to release it when done.
+         */
+        ctx->engine = impl;
+    } else
+        ctx->engine = NULL;
+    return 1;
+}
+
+# endif
 
 #endif
 
-int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
-	     const unsigned char *key, const unsigned char *iv, int enc)
-	{
-	if (enc == -1)
-		enc = ctx->encrypt;
-	else
-		{
-		if (enc)
-			enc = 1;
-		ctx->encrypt = enc;
-		}
+int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+                      ENGINE *impl, const unsigned char *key,
+                      const unsigned char *iv, int enc)
+{
+    if (enc == -1)
+        enc = ctx->encrypt;
+    else {
+        if (enc)
+            enc = 1;
+        ctx->encrypt = enc;
+    }
 #ifdef OPENSSL_FIPS
-	if(FIPS_selftest_failed())
-		{
-		FIPSerr(FIPS_F_EVP_CIPHERINIT_EX,FIPS_R_FIPS_SELFTEST_FAILED);
-		ctx->cipher = &bad_cipher;
-		return 0;
-		}
+    if (FIPS_selftest_failed()) {
+        FIPSerr(FIPS_F_EVP_CIPHERINIT_EX, FIPS_R_FIPS_SELFTEST_FAILED);
+        ctx->cipher = &bad_cipher;
+        return 0;
+    }
 #endif
 #ifndef OPENSSL_NO_ENGINE
-	/* Whether it's nice or not, "Inits" can be used on "Final"'d contexts
-	 * so this context may already have an ENGINE! Try to avoid releasing
-	 * the previous handle, re-querying for an ENGINE, and having a
-	 * reinitialisation, when it may all be unecessary. */
-	if (ctx->engine && ctx->cipher && (!cipher ||
-			(cipher && (cipher->nid == ctx->cipher->nid))))
-		goto skip_to_init;
+    /*
+     * Whether it's nice or not, "Inits" can be used on "Final"'d contexts so
+     * this context may already have an ENGINE! Try to avoid releasing the
+     * previous handle, re-querying for an ENGINE, and having a
+     * reinitialisation, when it may all be unecessary.
+     */
+    if (ctx->engine && ctx->cipher && (!cipher ||
+                                       (cipher
+                                        && (cipher->nid ==
+                                            ctx->cipher->nid))))
+        goto skip_to_init;
 #endif
-	if (cipher)
-		{
-		/* Ensure a context left lying around from last time is cleared
-		 * (the previous check attempted to avoid this if the same
-		 * ENGINE and EVP_CIPHER could be used). */
-		EVP_CIPHER_CTX_cleanup(ctx);
-
-		/* Restore encrypt field: it is zeroed by cleanup */
-		ctx->encrypt = enc;
+    if (cipher) {
+        /*
+         * Ensure a context left lying around from last time is cleared (the
+         * previous check attempted to avoid this if the same ENGINE and
+         * EVP_CIPHER could be used).
+         */
+        EVP_CIPHER_CTX_cleanup(ctx);
+
+        /* Restore encrypt field: it is zeroed by cleanup */
+        ctx->encrypt = enc;
 #ifndef OPENSSL_NO_ENGINE
-		if (!do_evp_enc_engine(ctx, &cipher, impl))
-			return 0;
+        if (!do_evp_enc_engine(ctx, &cipher, impl))
+            return 0;
 #endif
 
-		ctx->cipher=cipher;
-		if (ctx->cipher->ctx_size)
-			{
-			ctx->cipher_data=OPENSSL_malloc(ctx->cipher->ctx_size);
-			if (!ctx->cipher_data)
-				{
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, ERR_R_MALLOC_FAILURE);
-				return 0;
-				}
-			}
-		else
-			{
-			ctx->cipher_data = NULL;
-			}
-		ctx->key_len = cipher->key_len;
-		ctx->flags = 0;
-		if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT)
-			{
-			if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL))
-				{
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
-				return 0;
-				}
-			}
-		}
-	else if(!ctx->cipher)
-		{
-		EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_NO_CIPHER_SET);
-		return 0;
-		}
+        ctx->cipher = cipher;
+        if (ctx->cipher->ctx_size) {
+            ctx->cipher_data = OPENSSL_malloc(ctx->cipher->ctx_size);
+            if (!ctx->cipher_data) {
+                EVPerr(EVP_F_EVP_CIPHERINIT_EX, ERR_R_MALLOC_FAILURE);
+                return 0;
+            }
+        } else {
+            ctx->cipher_data = NULL;
+        }
+        ctx->key_len = cipher->key_len;
+        ctx->flags = 0;
+        if (ctx->cipher->flags & EVP_CIPH_CTRL_INIT) {
+            if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL)) {
+                EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
+                return 0;
+            }
+        }
+    } else if (!ctx->cipher) {
+        EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_NO_CIPHER_SET);
+        return 0;
+    }
 #ifndef OPENSSL_NO_ENGINE
-skip_to_init:
+ skip_to_init:
 #endif
-	/* we assume block size is a power of 2 in *cryptUpdate */
-	OPENSSL_assert(ctx->cipher->block_size == 1
-	    || ctx->cipher->block_size == 8
-	    || ctx->cipher->block_size == 16);
-
-	if(!(EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
-		switch(EVP_CIPHER_CTX_mode(ctx)) {
-
-			case EVP_CIPH_STREAM_CIPHER:
-			case EVP_CIPH_ECB_MODE:
-			break;
-
-			case EVP_CIPH_CFB_MODE:
-			case EVP_CIPH_OFB_MODE:
-
-			ctx->num = 0;
-			/* fall-through */
-
-			case EVP_CIPH_CBC_MODE:
-
-			OPENSSL_assert(EVP_CIPHER_CTX_iv_length(ctx) <=
-					(int)sizeof(ctx->iv));
-			if(iv) memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
-			memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
-			break;
-
-			default:
-			return 0;
-			break;
-		}
-	}
-
+    /* we assume block size is a power of 2 in *cryptUpdate */
+    OPENSSL_assert(ctx->cipher->block_size == 1
+                   || ctx->cipher->block_size == 8
+                   || ctx->cipher->block_size == 16);
+
+    if (!(EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
+        switch (EVP_CIPHER_CTX_mode(ctx)) {
+
+        case EVP_CIPH_STREAM_CIPHER:
+        case EVP_CIPH_ECB_MODE:
+            break;
+
+        case EVP_CIPH_CFB_MODE:
+        case EVP_CIPH_OFB_MODE:
+
+            ctx->num = 0;
+            /* fall-through */
+
+        case EVP_CIPH_CBC_MODE:
+
+            OPENSSL_assert(EVP_CIPHER_CTX_iv_length(ctx) <=
+                           (int)sizeof(ctx->iv));
+            if (iv)
+                memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
+            memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
+            break;
+
+        default:
+            return 0;
+            break;
+        }
+    }
 #ifdef OPENSSL_FIPS
-	/* After 'key' is set no further parameters changes are permissible.
-	 * So only check for non FIPS enabling at this point.
-	 */
-	if (key && FIPS_mode())
-		{
-		if (!(ctx->cipher->flags & EVP_CIPH_FLAG_FIPS)
-			& !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW))
-			{
-			EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_DISABLED_FOR_FIPS);
-#if 0
-			ERR_add_error_data(2, "cipher=",
-						EVP_CIPHER_name(ctx->cipher));
-#endif
-			ctx->cipher = &bad_cipher;
-			return 0;
-			}
-		}
+    /*
+     * After 'key' is set no further parameters changes are permissible. So
+     * only check for non FIPS enabling at this point.
+     */
+    if (key && FIPS_mode()) {
+        if (!(ctx->cipher->flags & EVP_CIPH_FLAG_FIPS)
+            & !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) {
+            EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_DISABLED_FOR_FIPS);
+# if 0
+            ERR_add_error_data(2, "cipher=", EVP_CIPHER_name(ctx->cipher));
+# endif
+            ctx->cipher = &bad_cipher;
+            return 0;
+        }
+    }
 #endif
 
-	if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) {
-		if(!ctx->cipher->init(ctx,key,iv,enc)) return 0;
-	}
-	ctx->buf_len=0;
-	ctx->final_used=0;
-	ctx->block_mask=ctx->cipher->block_size-1;
-	return 1;
-	}
+    if (key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) {
+        if (!ctx->cipher->init(ctx, key, iv, enc))
+            return 0;
+    }
+    ctx->buf_len = 0;
+    ctx->final_used = 0;
+    ctx->block_mask = ctx->cipher->block_size - 1;
+    return 1;
+}
 
 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c)
-	{
-	if (c->cipher != NULL)
-		{
-		if(c->cipher->cleanup && !c->cipher->cleanup(c))
-			return 0;
-		/* Cleanse cipher context data */
-		if (c->cipher_data)
-			OPENSSL_cleanse(c->cipher_data, c->cipher->ctx_size);
-		}
-	if (c->cipher_data)
-		OPENSSL_free(c->cipher_data);
+{
+    if (c->cipher != NULL) {
+        if (c->cipher->cleanup && !c->cipher->cleanup(c))
+            return 0;
+        /* Cleanse cipher context data */
+        if (c->cipher_data)
+            OPENSSL_cleanse(c->cipher_data, c->cipher->ctx_size);
+    }
+    if (c->cipher_data)
+        OPENSSL_free(c->cipher_data);
 #ifndef OPENSSL_NO_ENGINE
-	if (c->engine)
-		/* The EVP_CIPHER we used belongs to an ENGINE, release the
-		 * functional reference we held for this reason. */
-		do_engine_finish(c->engine);
+    if (c->engine)
+        /*
+         * The EVP_CIPHER we used belongs to an ENGINE, release the
+         * functional reference we held for this reason.
+         */
+        do_engine_finish(c->engine);
 #endif
-	memset(c,0,sizeof(EVP_CIPHER_CTX));
-	return 1;
-	}
+    memset(c, 0, sizeof(EVP_CIPHER_CTX));
+    return 1;
+}
 
-int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl)
-	{
+int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+               const unsigned char *in, unsigned int inl)
+{
 #ifdef OPENSSL_FIPS
-	FIPS_selftest_check();
+    FIPS_selftest_check();
 #endif
-	return ctx->cipher->do_cipher(ctx,out,in,inl);
-	}
+    return ctx->cipher->do_cipher(ctx, out, in, inl);
+}
 
 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
 {
-	int ret;
-	if(!ctx->cipher) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET);
-		return 0;
-	}
-
-	if(!ctx->cipher->ctrl) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED);
-		return 0;
-	}
-
-	ret = ctx->cipher->ctrl(ctx, type, arg, ptr);
-	if(ret == -1) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED);
-		return 0;
-	}
-	return ret;
+    int ret;
+    if (!ctx->cipher) {
+        EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET);
+        return 0;
+    }
+
+    if (!ctx->cipher->ctrl) {
+        EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED);
+        return 0;
+    }
+
+    ret = ctx->cipher->ctrl(ctx, type, arg, ptr);
+    if (ret == -1) {
+        EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL,
+               EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED);
+        return 0;
+    }
+    return ret;
 }
 
 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
-	{
-	return ctx->cipher->flags;
-	}
+{
+    return ctx->cipher->flags;
+}
 
 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
-	{
-	return ctx->cipher->iv_len;
-	}
+{
+    return ctx->cipher->iv_len;
+}
 
 int EVP_CIPHER_nid(const EVP_CIPHER *cipher)
-	{
-	return cipher->nid;
-	}
+{
+    return cipher->nid;
+}