Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_cryptkit / lib / enc64.h

diff --git a/Security/libsecurity_cryptkit/lib/enc64.h b/Security/libsecurity_cryptkit/lib/enc64.h
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+/* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
+ *
+ * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
+ * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
+ * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
+ * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
+ * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
+ * EXPOSE YOU TO LIABILITY.
+ ***************************************************************************
+ *
+ * enc64.h - encode/decode in 64-char IA5 format, per RFC 1421
+ *
+ * Revision History
+ * ----------------
+ *  9 Oct 96 at NeXT
+ *     Created.
+ */
+
+#ifndef        _CK_ENC64_H_
+#define _CK_ENC64_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Given input buffer inbuf, length inlen, decode from 64-char IA5 format to
+ * binary. Result is fmalloced and returned; its length is returned in *outlen.
+ * NULL return indicates corrupted input.
+ */
+unsigned char *enc64(const unsigned char *inbuf,
+       unsigned inlen,
+       unsigned *outlen);              // RETURNED
+
+/*
+ * Enc64, with embedded newlines every lineLen in result. A newline is
+ * the Microsoft-style "\r\n".
+ */
+unsigned char *enc64WithLines(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 fmalloced and returned; its length is returned in *outlen.
+ * NULL return indicates corrupted input. All whitespace in inbuf is
+ * ignored.
+ */
+unsigned char *dec64(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 isValidEnc64(const unsigned char *inbuf,
+       unsigned inbufLen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_CK_ENC64_H_*/