1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189

use libc::*;
use std::ptr;
use *;

cfg_if! {
    if #[cfg(not(osslconf = "OPENSSL_NO_DEPRECATED_3_0"))] {
        pub type SHA_LONG = c_uint;

        pub const SHA_LBLOCK: c_int = 16;

        #[repr(C)]
        #[derive(Clone)]
        pub struct SHA_CTX {
            pub h0: SHA_LONG,
            pub h1: SHA_LONG,
            pub h2: SHA_LONG,
            pub h3: SHA_LONG,
            pub h4: SHA_LONG,
            pub Nl: SHA_LONG,
            pub Nh: SHA_LONG,
            pub data: [SHA_LONG; SHA_LBLOCK as usize],
            pub num: c_uint,
        }

        extern "C" {
            pub fn SHA1_Init(c: *mut SHA_CTX) -> c_int;
            pub fn SHA1_Update(c: *mut SHA_CTX, data: *const c_void, len: size_t) -> c_int;
            pub fn SHA1_Final(md: *mut c_uchar, c: *mut SHA_CTX) -> c_int;
        }
    }
}

cfg_if! {
    if #[cfg(ossl300)] {
        // Ideally we'd macro define these, but that crashes ctest :(
        pub unsafe fn SHA1(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar {
            if EVP_Q_digest(
                ptr::null_mut(),
                "SHA1\0".as_ptr() as *const c_char,
                ptr::null(),
                d as *const c_void,
                n,
                md,
                ptr::null_mut(),
            ) != 0 {
                md
            } else {
                ptr::null_mut()
            }
        }
    } else {
        extern "C" {
            pub fn SHA1(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar;
        }
    }
}

cfg_if! {
    if #[cfg(not(osslconf = "OPENSSL_NO_DEPRECATED_3_0"))] {
        #[repr(C)]
        #[derive(Clone)]
        pub struct SHA256_CTX {
            pub h: [SHA_LONG; 8],
            pub Nl: SHA_LONG,
            pub Nh: SHA_LONG,
            pub data: [SHA_LONG; SHA_LBLOCK as usize],
            pub num: c_uint,
            pub md_len: c_uint,
        }

        extern "C" {
            pub fn SHA224_Init(c: *mut SHA256_CTX) -> c_int;
            pub fn SHA224_Update(c: *mut SHA256_CTX, data: *const c_void, len: size_t) -> c_int;
            pub fn SHA224_Final(md: *mut c_uchar, c: *mut SHA256_CTX) -> c_int;
            pub fn SHA256_Init(c: *mut SHA256_CTX) -> c_int;
            pub fn SHA256_Update(c: *mut SHA256_CTX, data: *const c_void, len: size_t) -> c_int;
            pub fn SHA256_Final(md: *mut c_uchar, c: *mut SHA256_CTX) -> c_int;
        }
    }
}

cfg_if! {
    if #[cfg(ossl300)] {
        pub unsafe fn SHA224(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar {
            if EVP_Q_digest(
                ptr::null_mut(),
                "SHA224\0".as_ptr() as *const c_char,
                ptr::null(),
                d as *const c_void,
                n,
                md,
                ptr::null_mut(),
            ) != 0 {
                md
            } else {
                ptr::null_mut()
            }
        }

        pub unsafe fn SHA256(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar {
            if EVP_Q_digest(
                ptr::null_mut(),
                "SHA256\0".as_ptr() as *const c_char,
                ptr::null(),
                d as *const c_void,
                n,
                md,
                ptr::null_mut(),
            ) != 0 {
                md
            } else {
                ptr::null_mut()
            }
        }
    } else {
        extern "C" {
            pub fn SHA224(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar;
            pub fn SHA256(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar;
        }
    }
}

cfg_if! {
    if #[cfg(not(osslconf = "OPENSSL_NO_DEPRECATED_3_0"))] {
        pub type SHA_LONG64 = u64;

        #[repr(C)]
        #[derive(Clone)]
        pub struct SHA512_CTX {
            pub h: [SHA_LONG64; 8],
            pub Nl: SHA_LONG64,
            pub Nh: SHA_LONG64,
            // this is a union but we don't want to require 1.19
            u: [SHA_LONG64; SHA_LBLOCK as usize],
            pub num: c_uint,
            pub md_len: c_uint,
        }

        extern "C" {
            pub fn SHA384_Init(c: *mut SHA512_CTX) -> c_int;
            pub fn SHA384_Update(c: *mut SHA512_CTX, data: *const c_void, len: size_t) -> c_int;
            pub fn SHA384_Final(md: *mut c_uchar, c: *mut SHA512_CTX) -> c_int;
            pub fn SHA512_Init(c: *mut SHA512_CTX) -> c_int;
            pub fn SHA512_Update(c: *mut SHA512_CTX, data: *const c_void, len: size_t) -> c_int;
            pub fn SHA512_Final(md: *mut c_uchar, c: *mut SHA512_CTX) -> c_int;
        }
    }
}

cfg_if! {
    if #[cfg(ossl300)] {
        pub unsafe fn SHA384(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar {
            if EVP_Q_digest(
                ptr::null_mut(),
                "SHA384\0".as_ptr() as *const c_char,
                ptr::null(),
                d as *const c_void,
                n,
                md,
                ptr::null_mut(),
            ) != 0 {
                md
            } else {
                ptr::null_mut()
            }
        }

        pub unsafe fn SHA512(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar {
            if EVP_Q_digest(
                ptr::null_mut(),
                "SHA512\0".as_ptr() as *const c_char,
                ptr::null(),
                d as *const c_void,
                n,
                md,
                ptr::null_mut(),
            ) != 0 {
                md
            } else {
                ptr::null_mut()
            }
        }
    } else {
        extern "C" {
            pub fn SHA384(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar;
            pub fn SHA512(d: *const c_uchar, n: size_t, md: *mut c_uchar) -> *mut c_uchar;
        }
    }
}