OpenSSL::HMAC

Public Class Methods

digest(p1, p2, p3) click to toggle source

 
               static VALUE
ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data)
{
    char *buf;
    int buf_len;
        
    StringValue(key);
    StringValue(data);
    buf = HMAC(GetDigestPtr(digest), RSTRING(key)->ptr, RSTRING(key)->len,
               RSTRING(data)->ptr, RSTRING(data)->len, NULL, &buf_len);

    return rb_str_new(buf, buf_len);
}

hexdigest(p1, p2, p3) click to toggle source

 
               static VALUE
ossl_hmac_s_hexdigest(VALUE klass, VALUE digest, VALUE key, VALUE data)
{
    char *buf, *hexbuf;
    int buf_len;
    VALUE hexdigest;

    StringValue(key);
    StringValue(data);
        
    buf = HMAC(GetDigestPtr(digest), RSTRING(key)->ptr, RSTRING(key)->len,
               RSTRING(data)->ptr, RSTRING(data)->len, NULL, &buf_len);
    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {
        ossl_raise(eHMACError, "Cannot convert buf to hexbuf");
    }
    hexdigest = ossl_buf2str(hexbuf, 2 * buf_len);

    return hexdigest;
}

new(p1, p2) click to toggle source

 
               static VALUE
ossl_hmac_initialize(VALUE self, VALUE key, VALUE digest)
{
    HMAC_CTX *ctx;

    StringValue(key);
    GetHMAC(self, ctx);
    HMAC_Init_ex(ctx, RSTRING(key)->ptr, RSTRING(key)->len,
                 GetDigestPtr(digest), NULL);

    return self;
}

Public Instance Methods

<<(p1) click to toggle source

Alias for: update

digest() click to toggle source

 
               static VALUE
ossl_hmac_digest(VALUE self)
{
    HMAC_CTX *ctx;
    char *buf;
    int buf_len;
    VALUE digest;
        
    GetHMAC(self, ctx);
    hmac_final(ctx, &buf, &buf_len);
    digest = ossl_buf2str(buf, buf_len);
    
    return digest;
}

hexdigest() click to toggle source

 
               static VALUE
ossl_hmac_hexdigest(VALUE self)
{
    HMAC_CTX *ctx;
    char *buf, *hexbuf;
    int buf_len;
    VALUE hexdigest;
        
    GetHMAC(self, ctx);
    hmac_final(ctx, &buf, &buf_len);
    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {
        OPENSSL_free(buf);
        ossl_raise(eHMACError, "Memory alloc error");
    }
    OPENSSL_free(buf);
    hexdigest = ossl_buf2str(hexbuf, 2 * buf_len);

    return hexdigest;
}

Also aliased as: inspect, to_s

inspect() click to toggle source

Alias for: hexdigest

to_s() click to toggle source

Alias for: hexdigest

update(p1) click to toggle source

 
               static VALUE
ossl_hmac_update(VALUE self, VALUE data)
{
    HMAC_CTX *ctx;

    StringValue(data);
    GetHMAC(self, ctx);
    HMAC_Update(ctx, RSTRING(data)->ptr, RSTRING(data)->len);

    return self;
}

Also aliased as: <<

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OpenSSL::HMAC

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