Commit | Line | Data |
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2592e6c0 JH |
1 | /* |
2 | * PDKIM - a RFC4871 (DKIM) implementation | |
3 | * | |
4 | * Copyright (C) 2016 Exim maintainers | |
5 | * | |
6 | * Hash interface functions | |
7 | */ | |
8 | ||
9 | #include "../exim.h" | |
10 | ||
11 | #if !defined(DISABLE_DKIM) && !defined(PDKIM_HASH_H) /* entire file */ | |
12 | #define PDKIM_HASH_H | |
13 | ||
14 | #ifndef SUPPORT_TLS | |
15 | # error Need SUPPORT_TLS for DKIM | |
16 | #endif | |
17 | ||
18 | #include "crypt_ver.h" | |
19 | #include "blob.h" | |
20 | ||
21 | #ifdef RSA_OPENSSL | |
22 | # include <openssl/rsa.h> | |
23 | # include <openssl/ssl.h> | |
24 | # include <openssl/err.h> | |
25 | #elif defined(RSA_GNUTLS) | |
26 | # include <gnutls/gnutls.h> | |
27 | # include <gnutls/x509.h> | |
28 | #endif | |
29 | ||
30 | #ifdef SHA_GNUTLS | |
31 | # include <gnutls/crypto.h> | |
32 | #elif defined(SHA_GCRYPT) | |
33 | # include <gcrypt.h> | |
34 | #elif defined(SHA_POLARSSL) | |
35 | # include "pdkim.h" | |
36 | # include "polarssl/sha1.h" | |
37 | # include "polarssl/sha2.h" | |
38 | #endif | |
39 | ||
40 | /* Hash context */ | |
41 | typedef struct { | |
42 | int sha1; | |
43 | int hashlen; | |
44 | ||
45 | #ifdef SHA_OPENSSL | |
46 | union { | |
47 | SHA_CTX sha1; /* SHA1 block */ | |
48 | SHA256_CTX sha2; /* SHA256 block */ | |
49 | } u; | |
50 | ||
51 | #elif defined(SHA_GNUTLS) | |
52 | gnutls_hash_hd_t sha; /* Either SHA1 or SHA256 block */ | |
53 | ||
54 | #elif defined(SHA_GCRYPT) | |
55 | gcry_md_hd_t sha; /* Either SHA1 or SHA256 block */ | |
56 | ||
57 | #elif defined(SHA_POLARSSL) | |
58 | union { | |
59 | sha1_context sha1; /* SHA1 block */ | |
60 | sha2_context sha2; /* SHA256 block */ | |
61 | } u; | |
62 | #endif | |
63 | ||
64 | } hctx; | |
65 | ||
66 | #if defined(SHA_OPENSSL) | |
67 | # include "pdkim.h" | |
68 | #elif defined(SHA_GCRYPT) | |
69 | # include "pdkim.h" | |
70 | #endif | |
71 | ||
72 | ||
73 | extern void exim_sha_init(hctx *, BOOL); | |
74 | extern void exim_sha_update(hctx *, const char *a, int); | |
75 | extern void exim_sha_finish(hctx *, blob *); | |
76 | extern int exim_sha_hashlen(hctx *); | |
77 | ||
78 | #endif /*DISABLE_DKIM*/ | |
79 | /* End of File */ |