| /*------------------------------------------------------------------------- | |
| * | |
| * cryptohash.h | |
| * Generic headers for cryptographic hash functions. | |
| * | |
| * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group | |
| * Portions Copyright (c) 1994, Regents of the University of California | |
| * | |
| * IDENTIFICATION | |
| * src/include/common/cryptohash.h | |
| * | |
| *------------------------------------------------------------------------- | |
| */ | |
| /* Context Structures for each hash function */ | |
| typedef enum | |
| { | |
| PG_MD5 = 0, | |
| PG_SHA1, | |
| PG_SHA224, | |
| PG_SHA256, | |
| PG_SHA384, | |
| PG_SHA512, | |
| } pg_cryptohash_type; | |
| /* opaque context, private to each cryptohash implementation */ | |
| typedef struct pg_cryptohash_ctx pg_cryptohash_ctx; | |
| extern pg_cryptohash_ctx *pg_cryptohash_create(pg_cryptohash_type type); | |
| extern int pg_cryptohash_init(pg_cryptohash_ctx *ctx); | |
| extern int pg_cryptohash_update(pg_cryptohash_ctx *ctx, const uint8 *data, size_t len); | |
| extern int pg_cryptohash_final(pg_cryptohash_ctx *ctx, uint8 *dest, size_t len); | |
| extern void pg_cryptohash_free(pg_cryptohash_ctx *ctx); | |
| extern const char *pg_cryptohash_error(pg_cryptohash_ctx *ctx); | |