Security-55163.44.tar.gz

[apple/security.git] / libsecurity_ssl / lib / sslBER.h

diff --git a/libsecurity_ssl/lib/sslBER.h b/libsecurity_ssl/lib/sslBER.h
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+/*
+ * Copyright (c) 1999-2001,2005-2007,2010-2012 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The 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.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*
+ * sslBER.h - BER routines
+ */
+
+#ifndef        _SSL_BER_H_
+#define _SSL_BER_H_
+
+#ifndef        _SSL_PRIV_H_
+#include "sslPriv.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Given a PKCS-1 encoded RSA public key, extract the
+ * modulus and public exponent.
+ *
+ * RSAPublicKey ::= SEQUENCE {
+ *             modulus INTEGER, -- n
+ *             publicExponent INTEGER -- e }
+ */
+
+OSStatus sslDecodeRsaBlob(
+       const SSLBuffer *blob,                  /* PKCS-1 encoded */
+       SSLBuffer               *modulus,               /* data mallocd and RETURNED */
+       SSLBuffer               *exponent);             /* data mallocd and RETURNED */
+
+/*
+ * Given a raw modulus and exponent, cook up a
+ * BER-encoded RSA public key blob.
+ */
+
+OSStatus sslEncodeRsaBlob(
+       const SSLBuffer *modulus,
+       const SSLBuffer *exponent,
+       SSLBuffer               *blob);                 /* data mallocd and RETURNED */
+
+/*
+ * Given a DER encoded DHParameter, extract the prime and generator.
+ * modulus and public exponent.
+ */
+OSStatus sslDecodeDhParams(
+       const SSLBuffer *blob,                  /* PKCS-1 encoded */
+       SSLBuffer               *prime,                 /* data mallocd and RETURNED */
+       SSLBuffer               *generator);    /* data mallocd and RETURNED */
+
+/*
+ * Given a prime and generator, cook up a BER-encoded DHParameter blob.
+ */
+OSStatus sslEncodeDhParams(
+       const SSLBuffer *prime,
+       const SSLBuffer *generator,
+       SSLBuffer               *blob);                 /* data mallocd and RETURNED */
+
+/*
+ * Given an ECDSA public key in CSSM format, extract the SSL_ECDSA_NamedCurve
+ * from its algorithm parameters.
+ */
+OSStatus sslEcdsaPeerCurve(
+       CSSM_KEY_PTR pubKey,
+       SSL_ECDSA_NamedCurve *namedCurve);
+
+/*
+ * Given an ECDSA public key in X509 format, extract the raw public key
+ * bits in ECPOint format.
+ */
+OSStatus sslEcdsaPubKeyBits(
+       CSSM_KEY_PTR    pubKey,
+       SSLBuffer               *pubBits);              /* data mallocd and RETURNED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SSL_BER_H_ */