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Diffstat (limited to 'arch/s390/crypto/sha.h')
| -rw-r--r-- | arch/s390/crypto/sha.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/s390/crypto/sha.h b/arch/s390/crypto/sha.h new file mode 100644 index 000000000..ada2f98c2 --- /dev/null +++ b/arch/s390/crypto/sha.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Cryptographic API. + * + * s390 generic implementation of the SHA Secure Hash Algorithms. + * + * Copyright IBM Corp. 2007 + * Author(s): Jan Glauber (jang@de.ibm.com) + */ +#ifndef _CRYPTO_ARCH_S390_SHA_H +#define _CRYPTO_ARCH_S390_SHA_H + +#include <linux/crypto.h> +#include <crypto/sha.h> +#include <crypto/sha3.h> + +/* must be big enough for the largest SHA variant */ +#define SHA3_STATE_SIZE 200 +#define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE +#define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE + +struct s390_sha_ctx { + u64 count; /* message length in bytes */ + u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)]; + u8 buf[SHA_MAX_BLOCK_SIZE]; + int func; /* KIMD function to use */ +}; + +struct shash_desc; + +int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); +int s390_sha_final(struct shash_desc *desc, u8 *out); + +#endif |