HCoop / hcoop / debian / exim4.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ea97746 CE |
1 | /* |
| 2 | * Exim - an Internet mail transport agent | |
| 3 | * | |
| 4 | * Copyright (C) 1995 - 2018 Exim maintainers | |
| 5 | * | |
| 6 | * Hash interface functions | |
| 7 | */ | |
| 8 | ||
| 9 | #include "exim.h" | |
| 10 | ||
| 11 | #if !defined(HASH_H) /* entire file */ | |
| 12 | #define HASH_H | |
| 13 | ||
| 14 | #include "sha_ver.h" | |
| 15 | ||
| 16 | #ifdef SHA_OPENSSL | |
| 17 | # include <openssl/sha.h> | |
| 18 | #elif defined SHA_GNUTLS | |
| 19 | # include <gnutls/crypto.h> | |
| 20 | #elif defined(SHA_GCRYPT) | |
| 21 | # include <gcrypt.h> | |
| 22 | #elif defined(SHA_POLARSSL) | |
| 23 | # include "pdkim/pdkim.h" /*XXX ugly */ | |
| 24 | # include "pdkim/polarssl/sha1.h" | |
| 25 | # include "pdkim/polarssl/sha2.h" | |
| 26 | #endif | |
| 27 | ||
| 28 | ||
| 29 | /* Hash context for the exim_sha_* routines */ | |
| 30 | ||
| 31 | typedef enum hashmethod { | |
| 32 | HASH_BADTYPE, | |
| 33 | HASH_NULL, | |
| 34 | HASH_SHA1, | |
| 35 | ||
| 36 | HASH_SHA2_256, | |
| 37 | HASH_SHA2_384, | |
| 38 | HASH_SHA2_512, | |
| 39 | ||
| 40 | HASH_SHA3_224, | |
| 41 | HASH_SHA3_256, | |
| 42 | HASH_SHA3_384, | |
| 43 | HASH_SHA3_512, | |
| 44 | } hashmethod; | |
| 45 | ||
| 46 | typedef struct { | |
| 47 | hashmethod method; | |
| 48 | int hashlen; | |
| 49 | ||
| 50 | #ifdef SHA_OPENSSL | |
| 51 | union { | |
| 52 | SHA_CTX sha1; /* SHA1 block */ | |
| 53 | SHA256_CTX sha2_256; /* SHA256 or 224 block */ | |
| 54 | SHA512_CTX sha2_512; /* SHA512 or 384 block */ | |
| 55 | #ifdef EXIM_HAVE_SHA3 | |
| 56 | EVP_MD_CTX * mctx; /* SHA3 block */ | |
| 57 | #endif | |
| 58 | } u; | |
| 59 | ||
| 60 | #elif defined(SHA_GNUTLS) | |
| 61 | gnutls_hash_hd_t sha; /* Either SHA1 or SHA256 block */ | |
| 62 | ||
| 63 | #elif defined(SHA_GCRYPT) | |
| 64 | gcry_md_hd_t sha; /* Either SHA1 or SHA256 block */ | |
| 65 | ||
| 66 | #elif defined(SHA_POLARSSL) | |
| 67 | union { | |
| 68 | sha1_context sha1; /* SHA1 block */ | |
| 69 | sha2_context sha2; /* SHA256 block */ | |
| 70 | } u; | |
| 71 | ||
| 72 | #elif defined(SHA_NATIVE) | |
| 73 | sha1 sha1; | |
| 74 | #endif | |
| 75 | ||
| 76 | } hctx; | |
| 77 | ||
| 78 | extern BOOL exim_sha_init(hctx *, hashmethod); | |
| 79 | extern void exim_sha_update(hctx *, const uschar *a, int); | |
| 80 | extern void exim_sha_finish(hctx *, blob *); | |
| 81 | ||
| 82 | #endif | |
| 83 | /* End of File */ |