From 7e8961f72056f53ccf78eba0ee8c240bc2310ab8 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Thu, 13 Jan 2005 17:39:26 +0000 Subject: * Added SHA-1 support. `nix-hash' now has an option `--type sha1' to select SHA-1 hashing. --- src/libutil/sha1.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 src/libutil/sha1.h (limited to 'src/libutil/sha1.h') diff --git a/src/libutil/sha1.h b/src/libutil/sha1.h new file mode 100644 index 000000000000..012893bd3b94 --- /dev/null +++ b/src/libutil/sha1.h @@ -0,0 +1,28 @@ +#ifndef _SHA_H +#define _SHA_H + +#include + +/* The SHA block size and message digest sizes, in bytes */ + +#define SHA_DATASIZE 64 +#define SHA_DATALEN 16 +#define SHA_DIGESTSIZE 20 +#define SHA_DIGESTLEN 5 +/* The structure for storing SHA info */ + +struct sha_ctx { + uint32_t digest[SHA_DIGESTLEN]; /* Message digest */ + uint32_t count_l, count_h; /* 64-bit block count */ + uint8_t block[SHA_DATASIZE]; /* SHA data buffer */ + unsigned int index; /* index into buffer */ +}; + +void sha_init(struct sha_ctx *ctx); +void sha_update(struct sha_ctx *ctx, const unsigned char *buffer, uint32_t len); +void sha_final(struct sha_ctx *ctx); +void sha_digest(struct sha_ctx *ctx, unsigned char *s); +void sha_copy(struct sha_ctx *dest, struct sha_ctx *src); + + +#endif /* !_SHA_H */ -- cgit 1.4.1