initial cleanup of unused parts of ltc

[zpackage] / libtomcrypt / src / pk / katja / katja_encrypt_key.c

diff --git a/libtomcrypt/src/pk/katja/katja_encrypt_key.c b/libtomcrypt/src/pk/katja/katja_encrypt_key.c
deleted file mode 100644 (file)
index 9ed72fb..0000000
--- a/libtomcrypt/src/pk/katja/katja_encrypt_key.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* LibTomCrypt, modular cryptographic library -- Tom St Denis
- *
- * LibTomCrypt is a library that provides various cryptographic
- * algorithms in a highly modular and flexible manner.
- *
- * The library is free for all purposes without any express
- * guarantee it works.
- */
-#include "tomcrypt.h"
-
-/**
-  @file katja_encrypt_key.c
-  Katja PKCS-style OAEP encryption, Tom St Denis
-*/
-
-#ifdef LTC_MKAT
-
-/**
-    (PKCS #1 v2.0) OAEP pad then encrypt
-    @param in          The plaintext
-    @param inlen       The length of the plaintext (octets)
-    @param out         [out] The ciphertext
-    @param outlen      [in/out] The max size and resulting size of the ciphertext
-    @param lparam      The system "lparam" for the encryption
-    @param lparamlen   The length of lparam (octets)
-    @param prng        An active PRNG
-    @param prng_idx    The index of the desired prng
-    @param hash_idx    The index of the desired hash
-    @param key         The Katja key to encrypt to
-    @return CRYPT_OK if successful
-*/
-int katja_encrypt_key(const unsigned char *in,     unsigned long inlen,
-                          unsigned char *out,    unsigned long *outlen,
-                    const unsigned char *lparam, unsigned long lparamlen,
-                    prng_state *prng, int prng_idx, int hash_idx, katja_key *key)
-{
-  unsigned long modulus_bitlen, modulus_bytelen, x;
-  int           err;
-
-  LTC_ARGCHK(in     != NULL);
-  LTC_ARGCHK(out    != NULL);
-  LTC_ARGCHK(outlen != NULL);
-  LTC_ARGCHK(key    != NULL);
-
-  /* valid prng and hash ? */
-  if ((err = prng_is_valid(prng_idx)) != CRYPT_OK) {
-     return err;
-  }
-  if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) {
-     return err;
-  }
-
-  /* get modulus len in bits */
-  modulus_bitlen = mp_count_bits((key->N));
-
-  /* payload is upto pq, so we know q is 1/3rd the size of N and therefore pq is 2/3th the size */
-  modulus_bitlen = ((modulus_bitlen << 1) / 3);
-
-  /* round down to next byte */
-  modulus_bitlen -= (modulus_bitlen & 7) + 8;
-
-  /* outlen must be at least the size of the modulus */
-  modulus_bytelen = mp_unsigned_bin_size((key->N));
-  if (modulus_bytelen > *outlen) {
-     *outlen = modulus_bytelen;
-     return CRYPT_BUFFER_OVERFLOW;
-  }
-
-  /* OAEP pad the key */
-  x = *outlen;
-  if ((err = pkcs_1_oaep_encode(in, inlen, lparam,
-                                lparamlen, modulus_bitlen, prng, prng_idx, hash_idx,
-                                out, &x)) != CRYPT_OK) {
-     return err;
-  }
-
-  /* Katja exptmod the OAEP pad */
-  return katja_exptmod(out, x, out, outlen, PK_PUBLIC, key);
-}
-
-#endif /* LTC_MRSA */
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */