sha.h 912 B

1234567891011121314151617181920212223242526272829303132333435
  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Cryptographic API.
  4. *
  5. * s390 generic implementation of the SHA Secure Hash Algorithms.
  6. *
  7. * Copyright IBM Corp. 2007
  8. * Author(s): Jan Glauber ([email protected])
  9. */
  10. #ifndef _CRYPTO_ARCH_S390_SHA_H
  11. #define _CRYPTO_ARCH_S390_SHA_H
  12. #include <linux/crypto.h>
  13. #include <crypto/sha1.h>
  14. #include <crypto/sha2.h>
  15. #include <crypto/sha3.h>
  16. /* must be big enough for the largest SHA variant */
  17. #define SHA3_STATE_SIZE 200
  18. #define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE
  19. #define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE
  20. struct s390_sha_ctx {
  21. u64 count; /* message length in bytes */
  22. u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)];
  23. u8 buf[SHA_MAX_BLOCK_SIZE];
  24. int func; /* KIMD function to use */
  25. };
  26. struct shash_desc;
  27. int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
  28. int s390_sha_final(struct shash_desc *desc, u8 *out);
  29. #endif