Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/krb5/crypto.h b/third_party/heimdal/lib/krb5/crypto.h
new file mode 100644
index 0000000..d02f841
--- /dev/null
+++ b/third_party/heimdal/lib/krb5/crypto.h
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 1997 - 2016 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    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 the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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.
+ */
+
+#ifndef HEIMDAL_SMALLER
+#define DES3_OLD_ENCTYPE 1
+#endif
+
+struct _krb5_key_data {
+    krb5_keyblock *key;
+    krb5_data *schedule;
+};
+
+struct _krb5_key_usage;
+
+#define CRYPTO_ETYPE(C) ((C)->et->type)
+
+/* bits for `flags' below */
+#define F_KEYED			0x0001	/* checksum is keyed */
+#define F_CPROOF		0x0002	/* checksum is collision proof */
+#define F_DERIVED		0x0004	/* uses derived keys */
+#define F_VARIANT		0x0008	/* uses `variant' keys (6.4.3) */
+#define F_PSEUDO		0x0010	/* not a real protocol type */
+#define F_DISABLED		0x0020	/* enctype/checksum disabled */
+#define F_WEAK			0x0040	/* enctype is considered weak */
+#define F_OLD			0x0080	/* enctype is old */
+
+#define F_RFC3961_ENC		0x0100	/* RFC3961 simplified profile */
+#define F_SPECIAL		0x0200	/* backwards */
+#define F_ENC_THEN_CKSUM	0x0400  /* checksum is over encrypted data */
+#define F_CRYPTO_MASK		0x0F00
+
+#define F_RFC3961_KDF		0x1000	/* RFC3961 KDF */
+#define F_SP800_108_HMAC_KDF	0x2000	/* SP800-108 HMAC KDF */
+#define F_KDF_MASK		0xF000
+
+struct salt_type {
+    krb5_salttype type;
+    const char *name;
+    krb5_error_code (*string_to_key)(krb5_context, krb5_enctype, krb5_data,
+				     krb5_salt, krb5_data, krb5_keyblock*);
+};
+
+struct _krb5_key_type {
+    krb5_enctype type;
+    const char *name;
+    size_t bits;
+    size_t size;
+    size_t schedule_size;
+    void (*random_key)(krb5_context, krb5_keyblock*);
+    void (*schedule)(krb5_context, struct _krb5_key_type *, struct _krb5_key_data *);
+    struct salt_type *string_to_key;
+    void (*random_to_key)(krb5_context, krb5_keyblock*, const void*, size_t);
+    void (*cleanup)(krb5_context, struct _krb5_key_data *);
+    const EVP_CIPHER *(*evp)(void);
+};
+
+struct _krb5_checksum_type {
+    krb5_cksumtype type;
+    const char *name;
+    size_t blocksize;
+    size_t checksumsize;
+    unsigned flags;
+    krb5_error_code (*checksum)(krb5_context context,
+				krb5_crypto crypto,
+				struct _krb5_key_data *key,
+				unsigned usage,
+				const struct krb5_crypto_iov *iov, int niov,
+				Checksum *csum);
+    krb5_error_code (*verify)(krb5_context context,
+			      krb5_crypto crypto,
+			      struct _krb5_key_data *key,
+			      unsigned usage,
+			      const struct krb5_crypto_iov *iov, int niov,
+			      Checksum *csum);
+};
+
+struct _krb5_encryption_type {
+    krb5_enctype type;
+    const char *name;
+    const char *alias;
+    size_t blocksize;
+    size_t padsize;
+    size_t confoundersize;
+    struct _krb5_key_type *keytype;
+    struct _krb5_checksum_type *checksum;
+    struct _krb5_checksum_type *keyed_checksum;
+    unsigned flags;
+    krb5_error_code (*encrypt)(krb5_context context,
+			       struct _krb5_key_data *key,
+			       void *data, size_t len,
+			       krb5_boolean encryptp,
+			       int usage,
+			       void *ivec);
+    krb5_error_code (*encrypt_iov)(krb5_context context,
+			       struct _krb5_key_data *key,
+			       krb5_crypto_iov *iov, int niov,
+			       krb5_boolean encryptp,
+			       int usage,
+			       void *ivec);
+    size_t prf_length;
+    krb5_error_code (*prf)(krb5_context,
+			   krb5_crypto, const krb5_data *, krb5_data *);
+};
+
+#define ENCRYPTION_USAGE(U) (((uint32_t)(U) << 8) | 0xAA)
+#define INTEGRITY_USAGE(U) (((uint32_t)(U) << 8) | 0x55)
+#define CHECKSUM_USAGE(U) (((uint32_t)(U) << 8) | 0x99)
+
+/* Checksums */
+
+extern struct _krb5_checksum_type _krb5_checksum_none;
+extern struct _krb5_checksum_type _krb5_checksum_crc32;
+extern struct _krb5_checksum_type _krb5_checksum_rsa_md4;
+extern struct _krb5_checksum_type _krb5_checksum_rsa_md4_des;
+extern struct _krb5_checksum_type _krb5_checksum_rsa_md5_des;
+extern struct _krb5_checksum_type _krb5_checksum_rsa_md5_des3;
+extern struct _krb5_checksum_type _krb5_checksum_rsa_md5;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_sha1_des3;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_sha1_aes128;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_sha1_aes256;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_sha256_128_aes128;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_sha384_192_aes256;
+extern struct _krb5_checksum_type _krb5_checksum_hmac_md5;
+extern struct _krb5_checksum_type _krb5_checksum_sha1;
+extern struct _krb5_checksum_type _krb5_checksum_sha256;
+extern struct _krb5_checksum_type _krb5_checksum_sha384;
+extern struct _krb5_checksum_type _krb5_checksum_sha512;
+
+extern struct _krb5_checksum_type *_krb5_checksum_types[];
+extern int _krb5_num_checksums;
+
+/* Salts */
+
+extern struct salt_type _krb5_AES_SHA1_salt[];
+extern struct salt_type _krb5_AES_SHA2_salt[];
+extern struct salt_type _krb5_arcfour_salt[];
+extern struct salt_type _krb5_des_salt[];
+extern struct salt_type _krb5_des3_salt[];
+extern struct salt_type _krb5_des3_salt_derived[];
+
+/* Encryption types */
+
+extern struct _krb5_encryption_type _krb5_enctype_aes256_cts_hmac_sha1;
+extern struct _krb5_encryption_type _krb5_enctype_aes128_cts_hmac_sha1;
+extern struct _krb5_encryption_type _krb5_enctype_aes128_cts_hmac_sha256_128;
+extern struct _krb5_encryption_type _krb5_enctype_aes256_cts_hmac_sha384_192;
+extern struct _krb5_encryption_type _krb5_enctype_des3_cbc_sha1;
+extern struct _krb5_encryption_type _krb5_enctype_des3_cbc_md5;
+extern struct _krb5_encryption_type _krb5_enctype_des3_cbc_none;
+extern struct _krb5_encryption_type _krb5_enctype_arcfour_hmac_md5;
+extern struct _krb5_encryption_type _krb5_enctype_des_cbc_md5;
+extern struct _krb5_encryption_type _krb5_enctype_old_des3_cbc_sha1;
+extern struct _krb5_encryption_type _krb5_enctype_des_cbc_crc;
+extern struct _krb5_encryption_type _krb5_enctype_des_cbc_md4;
+extern struct _krb5_encryption_type _krb5_enctype_des_cbc_md5;
+extern struct _krb5_encryption_type _krb5_enctype_des_cbc_none;
+extern struct _krb5_encryption_type _krb5_enctype_des_cfb64_none;
+extern struct _krb5_encryption_type _krb5_enctype_des_pcbc_none;
+extern struct _krb5_encryption_type _krb5_enctype_null;
+
+extern struct _krb5_encryption_type *_krb5_etypes[];
+extern int _krb5_num_etypes;
+
+static inline int
+_krb5_crypto_iov_should_sign(const struct krb5_crypto_iov *iov)
+{
+    return (iov->flags == KRB5_CRYPTO_TYPE_DATA
+            || iov->flags == KRB5_CRYPTO_TYPE_SIGN_ONLY
+            || iov->flags == KRB5_CRYPTO_TYPE_HEADER
+            || iov->flags == KRB5_CRYPTO_TYPE_PADDING);
+}
+
+/* NO_HCRYPTO_POLLUTION is defined in pkinit-ec.c.  See commentary there. */
+#ifndef NO_HCRYPTO_POLLUTION
+/* Interface to the EVP crypto layer provided by hcrypto */
+struct _krb5_evp_schedule {
+    /*
+     * Normally we'd say EVP_CIPHER_CTX here, but!  this header gets
+     * included in lib/krb5/pkinit-ec.c
+     */
+    EVP_CIPHER_CTX ectx;
+    EVP_CIPHER_CTX dctx;
+};
+
+struct krb5_crypto_data {
+    struct _krb5_encryption_type *et;
+    struct _krb5_key_data key;
+    EVP_MD_CTX *mdctx;
+    HMAC_CTX *hmacctx;
+    int num_key_usage;
+    struct _krb5_key_usage *key_usage;
+    krb5_flags flags;
+};
+
+/*
+ * Allow generation and verification of unkeyed checksums even when
+ * key material is available.
+ */
+#define KRB5_CRYPTO_FLAG_ALLOW_UNKEYED_CHECKSUM		    0x01
+
+#endif