/*
   * Common values for SHA algorithms
   */
  
  #ifndef _CRYPTO_SHA_H
  #define _CRYPTO_SHA_H

  #include <linux/types.h>

  #define SHA1_DIGEST_SIZE        20
  #define SHA1_BLOCK_SIZE         64

  #define SHA224_DIGEST_SIZE	28
  #define SHA224_BLOCK_SIZE	64

  #define SHA256_DIGEST_SIZE      32
  #define SHA256_BLOCK_SIZE       64
  
  #define SHA384_DIGEST_SIZE      48
  #define SHA384_BLOCK_SIZE       128
  
  #define SHA512_DIGEST_SIZE      64
  #define SHA512_BLOCK_SIZE       128
  
  #define SHA1_H0		0x67452301UL
  #define SHA1_H1		0xefcdab89UL
  #define SHA1_H2		0x98badcfeUL
  #define SHA1_H3		0x10325476UL
  #define SHA1_H4		0xc3d2e1f0UL

  #define SHA224_H0	0xc1059ed8UL
  #define SHA224_H1	0x367cd507UL
  #define SHA224_H2	0x3070dd17UL
  #define SHA224_H3	0xf70e5939UL
  #define SHA224_H4	0xffc00b31UL
  #define SHA224_H5	0x68581511UL
  #define SHA224_H6	0x64f98fa7UL
  #define SHA224_H7	0xbefa4fa4UL

  #define SHA256_H0	0x6a09e667UL
  #define SHA256_H1	0xbb67ae85UL
  #define SHA256_H2	0x3c6ef372UL
  #define SHA256_H3	0xa54ff53aUL
  #define SHA256_H4	0x510e527fUL
  #define SHA256_H5	0x9b05688cUL
  #define SHA256_H6	0x1f83d9abUL
  #define SHA256_H7	0x5be0cd19UL
  
  #define SHA384_H0	0xcbbb9d5dc1059ed8ULL
  #define SHA384_H1	0x629a292a367cd507ULL
  #define SHA384_H2	0x9159015a3070dd17ULL
  #define SHA384_H3	0x152fecd8f70e5939ULL
  #define SHA384_H4	0x67332667ffc00b31ULL
  #define SHA384_H5	0x8eb44a8768581511ULL
  #define SHA384_H6	0xdb0c2e0d64f98fa7ULL
  #define SHA384_H7	0x47b5481dbefa4fa4ULL
  
  #define SHA512_H0	0x6a09e667f3bcc908ULL
  #define SHA512_H1	0xbb67ae8584caa73bULL
  #define SHA512_H2	0x3c6ef372fe94f82bULL
  #define SHA512_H3	0xa54ff53a5f1d36f1ULL
  #define SHA512_H4	0x510e527fade682d1ULL
  #define SHA512_H5	0x9b05688c2b3e6c1fULL
  #define SHA512_H6	0x1f83d9abfb41bd6bULL
  #define SHA512_H7	0x5be0cd19137e2179ULL

  struct sha1_state {
  	u64 count;
  	u32 state[SHA1_DIGEST_SIZE / 4];
  	u8 buffer[SHA1_BLOCK_SIZE];
  };

  struct sha256_state {
  	u64 count;
  	u32 state[SHA256_DIGEST_SIZE / 4];
  	u8 buf[SHA256_BLOCK_SIZE];
  };

  struct sha512_state {

  	u64 count[2];
  	u64 state[SHA512_DIGEST_SIZE / 8];
  	u8 buf[SHA512_BLOCK_SIZE];

  };

  struct shash_desc;

  extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
  			      unsigned int len);

  #endif