Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_cdsa_utils / lib / cuEnc64.h

diff --git a/Security/libsecurity_cdsa_utils/lib/cuEnc64.h b/Security/libsecurity_cdsa_utils/lib/cuEnc64.h
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+/*
+ * Copyright (c) 1998-2003,2011,2014 Apple Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please 
+ * obtain a copy of the License at http://www.apple.com/publicsource and 
+ * read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
+ * Please see the License for the specific language governing rights and 
+ * limitations under the License.
+ *
+ * cuEnc64.h - encode/decode in 64-char IA5 format, per RFC 1421
+ */
+
+#ifndef        _CU_ENC64_H_
+#define _CU_ENC64_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Given input buffer inbuf, length inlen, decode from 64-char IA5 format to
+ * binary. Result is malloced and returned; its length is returned in *outlen.
+ * NULL return indicates corrupted input.
+ */
+unsigned char *cuEnc64(const unsigned char *inbuf,
+       unsigned inlen,
+       unsigned *outlen);              // RETURNED
+
+/*
+ * Enc64, with embedded newlines every lineLen in result. A newline is
+ * the UNIX \n. Result is mallocd.
+ */
+unsigned char *cuEnc64WithLines(const unsigned char *inbuf,
+       unsigned inlen,
+       unsigned linelen,
+       unsigned *outlen);              // RETURNED
+
+/*
+ * Given input buffer inbuf, length inlen, decode from 64-char IA5 format to
+ * binary. Result is malloced and returned; its length is returned in *outlen.
+ * NULL return indicates corrupted input. All whitespace in inbuf is
+ * ignored.
+ */
+unsigned char *cuDec64(const unsigned char *inbuf,
+       unsigned inlen,
+       unsigned *outlen);
+
+/*
+ * Determine if specified input data is valid enc64 format. Returns 1
+ * if valid, 0 if not.
+ */
+int cuIsValidEnc64(const unsigned char *inbuf,
+       unsigned inbufLen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_CU_ENC64_H_*/